UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549


                                  FORM 10-Q


(Mark One)
   [X]      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE 
               SECURITIES EXCHANGE ACT OF 1934
                    For the quarterly period ended March 31, 1999

                                     OR

   [ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
               SECURITIES EXCHANGE ACT OF 1934
                    For the fiscal period from               to            
                                              -------------   ------------

                        Commission file number 0-8503


                             SEMCO Energy, Inc.
           (Exact name of registrant as specified in its charter)

              Michigan                               38-2144267
   (State or other jurisdiction of                (I.R.S. Employer
   incorporation or organization)                Identification No.)

                405 Water Street, Port Huron, Michigan 48060
                  (Address of principal executive offices)

                                810-987-2200
            (Registrant's telephone number, including area code)



     Indicate by check mark whether the registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 
1934 during the preceding 12 months (or for such shorter period that the 
registrant was required to file such reports), and (2) has been subject to 
such requirements for the past 90 days.  Yes [X]   No [ ]

The number of shares of common stock outstanding as of April 30, 1999, is 
17,667,571.

                             INDEX TO FORM 10-Q
                             ------------------

                      For Quarter Ended March 31, 1999


                                                                       Page
                                                                      Number
                                                                      ------

COVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    1

INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    2

PART I - FINANCIAL INFORMATION
   Item 1.   Financial Statements . . . . . . . . . . . . . . . . . .    3
   Item 2.   Management's Discussion and Analysis of Financial 
             Condition and Results of Operations  . . . . . . . . . .   12

PART II - OTHER INFORMATION
   Item 1.   Legal Proceedings  . . . . . . . . . . . . . . . . . . .   29
   Item 2.   Changes in Securities  . . . . . . . . . . . . . . . . .   29
   Item 6.   Exhibits and Reports on Form 8-K . . . . . . . . . . . .   29

SIGNATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31

EXHIBIT INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32



FORWARD LOOKING STATEMENTS 

     This document contains forward-looking statements within the meaning of 
the Private Securities Litigation Reform Act of 1995 that are based on 
current expectations, estimates and projections.  Statements that are not 
historical facts, including statements about the Company's belief and 
expectations are forward-looking statements.  These statements are subject to 
potential risks and uncertainties and, therefore, actual results may differ 
materially.  The Company undertakes no obligation to update publicly any 
forward-looking statements whether as a result of new information, future 
events or otherwise.  Factors that may impact forward-looking statements 
include, but are not limited to, the following: (i) the effects of weather 
and other natural phenomena; (ii) the economic climate and growth in the 
geographical areas where the Company does business; (iii) the capital 
intensive nature of the Company's business; (iv) increased competition within 
the energy industry as well as from alternative forms of energy; (v) the 
timing and extent of changes in commodity prices for natural gas; (vi) the 
effects of changes in governmental and regulatory policies, including income 
taxes, environmental compliance and authorized rates; (vii) the Company's 
ability to bid on and win business contracts; (viii) the impact of energy 
prices on the amount of projects and business available to Engineering 
Services; (ix) the nature, availability and projected profitability of 
potential investments available to the Company and (x) the conditions of 
capital markets and equity markets. 

                                     -2-

                       PART I - FINANCIAL INFORMATION

Item 1.   Financial Statements.

                             SEMCO ENERGY, INC.
                      CONSOLIDATED STATEMENTS OF INCOME
                                 (Unaudited)
                  (In thousands, except per share amounts)

                                                               Three Months Ended       Twelve Months Ended 
                                                                    March 31,                March 31,      
                                                             ---------------------     ---------------------
                                                               1999         1998         1999         1998   
                                                             --------     --------     --------     -------- 
                                                                                        
OPERATING REVENUES
  Gas sales                                                  $ 68,978     $ 70,837     $164,841     $199,221 
  Gas transportation                                            6,629        4,029       17,432       13,320 
  Engineering services                                          4,546        3,148       42,335        7,306 
  Construction services                                         3,558        1,179       19,000        8,663 
  Gas marketing                                                96,855      145,674      341,998      514,881 
  Other operations                                              3,314        1,604        9,289        4,775 
                                                             --------     --------     --------     -------- 
                                                             $183,880     $226,471     $594,895     $748,166 
                                                             --------     --------     --------     -------- 
OPERATING EXPENSES
  Cost of gas sold                                           $ 45,999     $ 48,514     $106,873     $135,206 
  Cost of gas marketed                                         95,632      143,334      338,989      508,998 
  Operations and maintenance                                   18,309       15,528       95,477       56,945 
  Depreciation                                                  4,236        3,741       15,844       13,503 
  Property and other taxes                                      2,357        2,517        9,006        9,660 
                                                             --------     --------     --------     -------- 
                                                             $166,533     $213,634     $566,189     $724,312 
                                                             --------     --------     --------     -------- 
OPERATING INCOME                                             $ 17,347     $ 12,837     $ 28,706     $ 23,854 

OTHER INCOME (DEDUCTIONS)
  Divestiture of NOARK investment                            $     --     $  1,480     $  3,568     $  9,210 
  Divestiture of energy marketing business                      1,122           --        1,122           -- 
  Interest expense                                             (3,894)      (3,688)     (15,018)     (13,556)
  Dividends on preferred stock                                    (48)         (48)        (193)        (193)
  Other                                                            26       (1,521)       2,383       (1,445)
                                                             --------     --------     --------     -------- 
                                                             $ (2,794)    $ (3,777)    $ (8,138)    $ (5,984)

INCOME BEFORE INCOME TAXES                                   $ 14,553     $  9,060     $ 20,568     $ 17,870 

INCOME TAXES                                                 $  4,150     $  2,272     $  8,198     $  5,467 

NET INCOME BEFORE CUMULATIVE EFFECT OF 
  ACCOUNTING METHOD CHANGE AND EXTRAORDINARY CHARGE          $ 10,403     $  6,788     $ 12,370     $ 12,403 

  Cumulative effect of change in accounting for
    property taxes, net of income taxes of $960                    --        1,784           --        1,784 
  Extraordinary charge due to early retirement of
    debt, net of income taxes of $269                              --           --         (499)          -- 
                                                             --------     --------     --------     -------- 
NET INCOME                                                   $ 10,403     $  8,572     $ 11,871     $ 14,187 
                                                             ========     ========     ========     ======== 
EARNINGS PER SHARE - BASIC AND DILUTED                       $   0.60     $   0.58     $   0.72     $   0.97 
                                                             ========     ========     ========     ======== 
CASH DIVIDENDS PER SHARE                                     $   0.20     $   0.18     $   0.77     $   0.71
                                                             ========     ========     ========     ======== 
AVERAGE COMMON SHARES OUTSTANDING                              17,438       14,814       16,553       14,666 
                                                             ========     ========     ========     ======== 
<FN>
  The accompanying notes to the consolidated financial statements are an integral part of these statements.
</FN>

                                     -3-


                             SEMCO ENERGY, INC.
                CONSOLIDATED STATEMENTS OF FINANCIAL POSITION


                                 A S S E T S
                               (in thousands)




                                                                       March 31,    December 31,     March 31,
                                                                         1999           1998           1998
                                                                       --------       --------       --------
                                                                      (Unaudited)                   (Unaudited)
                                                                                            
CURRENT ASSETS
  Cash and temporary cash investments, at cost                         $  5,827       $  4,953       $  1,983
  Receivables, less allowances of $727 at March 31, 1999,
    $632 at December 31, 1998 and $1,660 at March 31, 1998               41,690         31,003         34,773
  Accrued revenue                                                        11,854         60,915         59,433
  Materials and supplies, at average cost                                 2,311          2,191          2,530
  Gas in underground storage                                             12,222         38,526         18,360
  Gas charges, recoverable from customers                                 2,764         11,556         11,045
  Other                                                                   5,566         13,906          6,599
                                                                       --------       --------       --------
                                                                       $ 82,234       $163,050       $134,723
                                                                       --------       --------       --------
PROPERTY, PLANT AND EQUIPMENT
  Gas Distribution                                                     $368,353       $364,513       $349,487
  Diversified Businesses                                                 47,516         43,857         42,770
                                                                       --------       --------       --------
                                                                       $415,869       $408,370       $392,257
  Less - Accumulated depreciation                                       121,722        118,132        109,756
                                                                       --------       --------       --------
                                                                       $294,147       $290,238       $282,501
                                                                       --------       --------       --------
DEFERRED CHARGES AND OTHER                                                                                   
  Unamortized debt expense                                             $  5,528       $  5,619       $  5,179
  Deferred retiree medical benefits                                      12,363         12,588         13,262
  Other                                                                  20,487         18,167         17,598
                                                                       --------       --------       --------
                                                                       $ 38,378       $ 36,374       $ 36,039
                                                                       --------       --------       --------
TOTAL ASSETS                                                           $414,759       $489,662       $453,263
                                                                       ========       ========       ========

<FN>
  The accompanying notes to the consolidated financial statements are an integral part of these statements.
</FN>








                                     -4-


                             SEMCO ENERGY, INC.
                CONSOLIDATED STATEMENTS OF FINANCIAL POSITION

                       LIABILITIES AND CAPITALIZATION
                               (in thousands)


                                                                       March 31,    December 31,     March 31,
                                                                         1999           1998           1998
                                                                       --------       --------       --------
                                                                      (Unaudited)                   (Unaudited)
                                                                                            
CURRENT LIABILITIES                                                                                          
  Notes payable                                                        $ 22,077       $ 63,576       $ 32,032
  Accounts payable                                                       13,964         57,498         74,924
  Customer advance payments                                               5,091         10,417          4,125
  Accumulated deferred income taxes                                       1,522          2,344          1,151
  Accrued interest                                                        4,436          1,935          4,515
  Amounts payable to customers                                            2,666             --             --
  Other                                                                   9,166          7,270         14,570
                                                                       --------       --------       --------
                                                                       $ 58,922       $143,040       $131,317
                                                                       --------       --------       --------
DEFERRED CREDITS AND OTHER
  Accumulated deferred income taxes                                    $ 19,110       $ 17,985       $ 22,704
  Unamortized investment tax credit                                       2,180          2,247          2,448
  Customer advances for construction                                      3,062          3,147          3,817
  Other                                                                  17,051         17,760         17,401
                                                                       --------       --------       --------
                                                                       $ 41,403       $ 41,139       $ 46,370
                                                                       --------       --------       --------
LONG-TERM DEBT INCLUDING CAPITAL LEASES                                $170,000       $170,000       $163,559
                                                                       --------       --------       --------
CUMULATIVE PREFERRED STOCK OF SUBSIDIARY
  $100 par value (redemption price of $105 per share); authorized 
    50,000 shares issuable in series; 31,000 shares outstanding        $  3,100       $  3,100       $  3,100
                                                                       --------       --------       --------
CUMULATIVE CONVERTIBLE PREFERRED STOCK
  Convertible preferred stock - $1 par value; authorized 500,000 
    shares issuable in series; each convertible to 4.11 common 
    shares; 6,218, 6,218 and 6,618 shares outstanding                  $      6       $      6       $      7
  Capital surplus                                                           149            149            158
                                                                       --------       --------       --------
                                                                       $    155       $    155       $    165
                                                                       --------       --------       --------
COMMON SHAREHOLDERS' EQUITY
  Common stock - $1 par value; 20,000,000 shares authorized; 
    17,510,356, 17,382,229 and 14,506,972 shares outstanding           $ 17,510       $ 17,382       $ 14,507
  Capital surplus                                                       118,562        116,663         88,336
  Retained earnings (deficit)                                             5,107         (1,817)         5,909
                                                                       --------       --------       --------
                                                                       $141,179       $132,228       $108,752
                                                                       --------       --------       --------
TOTAL LIABILITIES AND CAPITALIZATION                                   $414,759       $489,662       $453,263
                                                                       ========       ========       ========
<FN>
  The accompanying notes to the consolidated financial statements are an integral part of these statements.
</FN>


                                     -5-


                             SEMCO ENERGY, INC.
                    CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (Unaudited)
                               (in thousands)

                                                               Three Months Ended       Twelve Months Ended  
                                                                   March 31,                 March 31,       
                                                             ---------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                             --------     --------     --------     -------- 
                                                                                        
CASH FLOWS FROM OPERATING ACTIVITIES
  Net income                                                 $ 10,403     $  8,572     $ 11,871     $ 14,187 
  Adjustments to reconcile net income (loss) to net cash 
    from operating activities:
      Depreciation                                              4,236        3,741       15,844       13,503 
      Extraordinary charge                                         --           --          499           -- 
      Divestiture of energy marketing business                 (1,122)          --       (1,122)          -- 
      Divestiture of NOARK investment                              --       (1,480)      (3,568)      (9,210)
      Equity (income) loss, net of distributions                 (259)        (274)         183          110 
      Changes in assets and liabilities, net of 
        effects of acquisitions, divestitures and 
        other changes as shown below:                          37,430       50,248       (9,138)      15,728 
                                                             --------     --------     --------     -------- 
          NET CASH FROM OPERATING ACTIVITIES                 $ 50,688     $ 60,807     $ 14,569     $ 34,318 
                                                             --------     --------     --------     -------- 
CASH FLOWS FROM INVESTING ACTIVITIES
  Property additions - gas distribution                      $ (3,907)    $ (5,031)    $(21,905)    $(28,937)
  Property additions - diversified businesses                  (1,922)        (410)      (3,758)      (1,580)
  Proceeds from property sales, net of retirement costs           (31)         (50)         890          337 
  Acquisitions of businesses, net of cash acquired               (925)          --         (899)     (15,117)
  Advances to equity investees                                     --       (4,284)          --       (6,744)
                                                             --------     --------     --------     -------- 
          NET CASH FROM INVESTING ACTIVITIES                 $ (6,785)    $ (9,775)    $(25,672)    $(52,041)
                                                             --------     --------     --------     -------- 
CASH FLOWS FROM FINANCING ACTIVITIES
  Issuance of common stock, net of expenses                  $  1,996     $  1,687     $ 32,880     $  6,288 
  Repurchase of common stock and related expenses                  --           --           --       (1,598)
  Net cash change in notes payable                            (41,498)     (52,105)      (9,954)     (42,520)
  Issuance of long-term debt, net of expenses                      --           --       29,390       60,000 
  Repayment of long-term debt and related expenses                 --           --      (24,504)         (25)
  Payment of dividends                                         (3,527)      (2,691)     (12,865)     (10,625)
                                                             --------     --------     --------     -------- 
          NET CASH FROM FINANCING ACTIVITIES                 $(43,029)    $(53,109)    $ 14,947     $ 11,520 
                                                             --------     --------     --------     -------- 
CASH AND TEMPORARY CASH INVESTMENTS
  Net increase (decrease)                                    $    874     $ (2,077)    $  3,844     $ (6,203)
  Beginning of period                                           4,953        4,060        1,983        8,186 
                                                             --------     --------     --------     -------- 
  End of period                                              $  5,827     $  1,983     $  5,827     $  1,983 
                                                             ========     ========     ========     ======== 


Changes in assets and liabilities, net of effects
  of acquisitions, divestitures and other changes:
    Receivables, net                                         $ (2,933)    $ 16,862     $  1,300     $ 17,707 
    Accrued revenue                                            22,934        7,565       21,452      (11,762)
    Materials, supplies and gas in underground storage         23,582       18,116        3,756      (13,567)
    Gas charges, recoverable from customers                     8,792        8,886        8,281         (459)
    Accounts payable                                          (13,494)      (5,120)     (32,823)      15,993 
    Customer advances and amounts payable to customers         (2,745)      (4,029)       2,878       (2,435)
    Deferred taxes and investment tax credit                      235       (2,898)       4,965        3,202 
    Other                                                       1,059       10,866      (18,947)       7,049 
                                                             --------     --------     --------     -------- 
                                                             $ 37,430     $ 50,248     $ (9,138)    $ 15,728 
                                                             ========     ========     ========     ======== 
<FN>
  The accompanying notes to the consolidated financial statements are an integral part of these statements.
</FN>

                                     -6-

                             SEMCO ENERGY, INC.
               NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS
                                 (Unaudited)


(1)  SIGNIFICANT ACCOUNTING POLICIES

     Under the rules and regulations of the Securities and Exchange 
Commission for Form 10-Q Quarterly Reports, certain footnotes and other 
financial statement information normally included in the year-end financial 
statements of SEMCO Energy, Inc. and its subsidiaries (the "Company") have 
been condensed or omitted in the accompanying unaudited financial statements.  
These financial statements prepared by the Company should be read in 
conjunction with the financial statements and notes thereto included in the 
Company's 1998 Annual Report on Form 10-K filed with the Securities and 
Exchange Commission.  The information in the accompanying financial 
statements reflects, in the opinion of the Company's management, all 
adjustments (which include only normal recurring adjustments) necessary for a 
fair statement of the information shown, subject to year-end and other 
adjustments, as later information may require. 

     FINANCIAL STATEMENT PRESENTATION - The financial statements of the 
Company are presented in the conventional classification format rather than a 
regulated utility format, which has been used in the past.  Certain 
reclassifications have been made to the prior periods' financial statements 
to conform with the 1999 presentation.

     POOLING OF INTERESTS - During 1998, the Company acquired Oilfield 
Materials Consultants, Inc. ("OMC").  The acquisition of OMC was accounted 
for as a pooling of interests, and accordingly, the consolidated financial 
statements and notes for the periods presented have been restated to include 
the financial results of OMC.  See Note 3 in the Company's 1998 Annual Report 
on Form 10-K for further information. 

     USE OF ESTIMATES - The preparation of financial statements in conformity 
with generally accepted accounting principles requires management to make 
estimates and assumptions that affect the reported amounts of assets and 
liabilities and disclosure of contingent assets and liabilities at the date 
of the financial statements and the reported amounts of revenues and expenses 
during the reporting period.  Actual results could differ from those 
estimates. 












                                     -7-


     SUPPLEMENTAL CASH FLOW INFORMATION - Supplemental cash flow information 
for the three and twelve months ended March 31, 1999 and 1998 is as follows 
(in thousands of dollars): 

                                                               Three Months Ended        Twelve Months Ended 
                                                                    March 31,                 March 31,      
                                                              --------------------      -------------------- 
                                                                1999         1998         1999         1998  
                                                              -------      -------      -------      ------- 
                                                                                         
Cash paid during the period for:
  Interest                                                    $ 1,271      $ 1,065      $14,692      $11,280 
  Income taxes                                                $ 5,500      $    --      $ 7,600      $ 3,100 

Non-Cash Investing and Financing Activities:
  Capital stock issued for acquisitions                       $    --      $ 6,000      $   309      $ 6,450 
  Debt incurred for acquisitions                              $ 1,000      $    --      $ 1,000      $    -- 

Details of Acquisitions:
  Fair value of assets acquired                               $ 5,152      $ 8,306      $ 7,147      $30,770 
  Liabilities assumed                                          (3,152)      (2,306)      (4,838)      (8,636)
  Debt incurred                                                (1,000)          --       (1,000)          -- 
  Stock issued                                                     --       (6,000)        (309)      (6,450)
                                                              -------      -------      -------      ------- 
  Cash paid                                                   $ 1,000      $    --      $ 1,000      $15,684 
  Less cash acquired                                               75           --          101          567 
                                                              -------      -------      -------      ------- 
  Net cash paid for (acquired via) acquisitions               $   925      $    --      $   899      $15,117 
                                                              =======      =======      =======      ======= 


(2)  ACQUISITIONS AND DIVESTITURES 

     On February 3, 1999, the Company acquired K&B Construction, Inc. 
("K&B").  K&B provides underground pipeline construction services in Kansas 
and Missouri.  The purchase price was $2,000,000 plus a potential incentive 
payment based on operating results during 1999, 2000 and 2001.  $1,000,000 
was paid in cash at closing and the remainder is to be paid on or before 
April 15, 2002.  For financial statement purposes, the acquisition of K&B was 
accounted for as a purchase and, accordingly, its results of operations are 
included in the consolidated financial statements since the date of 
acquisition.  There were no adjustments necessary to the accounting practices 
of K&B to conform with the practices of the Company. 
     The Company sold the subsidiary which comprised its energy marketing 
business, SEMCO Energy Services, Inc., effective March 31, 1999.  The Company 
recorded a gain of $1,122,000 ($729,000 after tax) on the sale, which is 
reflected in other income and deductions.  Pursuant to the stock sale 
agreement, the Company agreed that, for a period of two years after the 
closing date, it would not compete in the unregulated natural gas marketing 
business in the state of Michigan. 


(3)  CAPITALIZATION 

     COMMON STOCK EQUITY - On April 20, 1999 the Company's Board of Directors 
declared a regular quarterly cash dividend on common stock of $.205 per share 
(a 2.5% increase over the prior quarterly cash dividend) and a special cash 
dividend of $.05 per share.  Both dividends are payable on May 15, 1999 to 
shareholders of record at the close of business on May 5, 1999.  The Board of 
Directors announced it has discontinued the practice of declaring a five 
percent stock dividend. 

                                     -8-

     In February 1999, the Company paid a quarterly cash dividend on common 
stock of $.20 per share.  The total cash dividend was $3,480,000, of which 
$731,000 was reinvested by shareholders into common stock through 
participation in the Direct Stock Purchase and Dividend Reinvestment Plan 
("DRIP").  The reinvested portion of the quarterly dividend plus 
shareholders' optional cash payments of $1,133,000, resulted in 118,000 new 
shares issued to existing shareholders during the quarter pursuant to the 
DRIP.  The Company also issued 10,000 shares of its common stock to the 
Company's primary 401(k) plan during the first quarter of 1999 in accordance 
with the Company match provisions of the plan. 


(4)  EARNINGS PER SHARE 

     The computations of basic and diluted earnings per share for the three 
months and twelve months ended March 31, 1999 and 1998 are as follows (in 
thousands except per share amounts): 

                                                               Three Months Ended        Twelve Months Ended 
                                                                    March 31,                 March 31,      
                                                              --------------------      -------------------- 
                                                                1999         1998         1999         1998  
                                                              -------      -------      -------      ------- 
                                                                                         
Basic Earnings Per Share Computation
Income before accounting change and extraordinary charge      $10,403      $ 6,788      $12,370      $12,403 
Cumulative effect of change in accounting                          --        1,784           --        1,784 
Extraordinary charge                                               --           --         (499)          -- 
                                                              -------      -------      -------      ------- 
Net Income                                                    $10,403      $ 8,572      $11,871      $14,187 
                                                              =======      =======      =======      ======= 
Weighted average common shares outstanding                     17,438       14,814       16,553       14,666 
                                                              -------      -------      -------      ------- 
Earnings Per Share - Basic
  Income before accounting change and extraordinary charge    $  0.60      $  0.46      $  0.75      $  0.85 
  Cumulative effect of change in accounting                        --         0.12           --         0.12 
  Extraordinary charge                                             --           --        (0.03)          -- 
                                                              -------      -------      -------      ------- 
  Net Income                                                  $  0.60      $  0.58      $  0.72      $  0.97 
                                                              =======      =======      =======      ======= 
Diluted Earnings Per Share Computation
Income before accounting change and extraordinary charge      $10,403      $ 6,788      $12,370      $12,403 
Adjustment for effect of assumed conversions:
  Preferred convertible stock dividends                             4            4           15           16 
                                                              -------      -------      -------      ------- 
Adjusted income before accounting change 
  and extraordinary charge                                     10,407        6,792       12,385       12,419 
Cumulative effect of change in accounting                          --        1,784           --        1,784 
Extraordinary charge                                               --           --         (499)          -- 
                                                              -------      -------      -------      ------- 
Net Income                                                    $10,407      $ 8,576      $11,886      $14,203 
                                                              =======      =======      =======      ======= 
Weighted average common shares outstanding                     17,438       14,814       16,553       14,666 
Incremental shares from assumed conversions of:
  Preferred convertible stock                                      26           27           26           28 
  Stock options                                                     1            2            1            9 
                                                              -------      -------      -------      ------- 
Diluted weighted average common shares outstanding             17,465       14,843       16,580       14,703 
                                                              =======      =======      =======      ======= 
Earnings Per Share - Diluted
  Income before accounting change and extraordinary charge    $  0.60      $  0.46      $  0.75      $  0.85 
  Cumulative effect of change in accounting                        --         0.12           --         0.12 
  Extraordinary charge                                             --           --        (0.03)          -- 
                                                              -------      -------      -------      ------- 
  Net Income                                                  $  0.60      $  0.58      $  0.72      $  0.97 
                                                              =======      =======      =======      ======= 

                                     -9-

(5)  BUSINESS SEGMENTS 

     The Company's adoption of SFAS 131 addressing disclosure about business 
segments and policies applicable to the disclosure are discussed in Note 12 
in the Company's 1998 Annual Report on Form 10-K.
     The Company sold the subsidiary comprising its energy marketing business 
effective March 31, 1999.  The Company operates four business segments:  gas 
distribution, engineering services, pipeline construction services and 
propane, pipelines and storage.  The Company's gas distribution business 
segment distributes and transports natural gas to approximately 250,000 
customers within the state of Michigan.  The engineering services segment has 
offices in New Jersey, Michigan, Louisiana and Texas and provides a variety 
of energy related engineering and quality assurance services in several 
states.  The pipeline construction services business segment provides 
primarily pipeline construction services in Iowa, Kansas, Michigan, Missouri, 
Nebraska and Tennessee.  The propane, pipelines and storage segment supplies 
propane to over 7,500 retail customers in Michigan's upper peninsula and 
northeast Wisconsin and operates natural gas transmission, gathering and 
storage facilities in Michigan. 
     The accounting policies of the operating segments are the same as those 
described in Note 1 except that intercompany transactions have not been 
eliminated in determining individual segment results.  The following table 
provides business segment information as well as a reconciliation ("Corporate 
and other") of the segment information to the applicable line in the 
consolidated financial statements.  Corporate and other includes intercompany 
eliminations, corporate related expenses not allocated to segments and 
results of other smaller operations. 


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                             ---------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                             --------     --------     --------     -------- 
                                                                                        
Operating Revenues
  Gas Distribution                                           $ 76,980     $ 75,789     $185,413     $214,139 
  Engineering Services                                          5,719        3,148       43,938        7,306 
  Construction Services                                         4,685        2,720       27,869       15,927 
  Propane, Pipelines and Storage                                1,944          690        6,106        2,957 
  Energy Marketing                                             96,904      148,273      346,519      537,271 
  Corporate and other <F1>                                     (2,352)      (4,149)     (14,950)     (29,434)
                                                             --------     --------     --------     -------- 
    Consolidated Operating Revenues                          $183,880     $226,471     $594,895     $748,166 
                                                             ========     ========     ========     ======== 
Operating Income (Loss)
  Gas Distribution                                           $ 17,867     $ 13,013     $ 27,217     $ 23,661 
  Engineering Services                                            451          414        2,975          864 
  Construction Services                                        (1,245)      (1,160)        (186)        (398)
  Propane, Pipelines and Storage                                  796          374        2,008        1,501 
  Energy Marketing                                               (341)         206       (1,243)      (1,429)
  Corporate and other                                            (181)         (10)      (2,065)        (345)
                                                             --------     --------     --------     -------- 
    Consolidated Operating Income                            $ 17,347     $ 12,837     $ 28,706     $ 23,854 
                                                             ========     ========     ========     ======== 
<FN>
<F1>
    Includes the elimination of intercompany energy marketing revenues of $49 and $4,521 for the three and 
    twelve months ended March 31, 1999 and $2,599 and $22,390 for the three and twelve months ended 
    March 31, 1998, respectively.  Includes the elimination of intercompany engineering services revenue of 
    $1,173 and $1,603 for the three and twelve months ended March 31, 1999, respectively.  Includes the 
    elimination of intercompany construction services revenue of $1,127 and $8,869 for the three and twelve 
    months ended March 31, 1999 and $1,541 and $7,264 for the three and twelve months ended March 31, 1998, 
    respectively.
</FN>

                                    -10-

(6)  COMMITMENTS AND CONTINGENCIES 

     NOARK - In January 1998, the Company sold its entire interest in the 
NOARK Pipeline System Partnership ("NOARK") to ENOGEX Arkansas Pipeline 
Corporation ("EAPC").  NOARK is a 302-mile intrastate natural gas pipeline 
located in Arkansas, which operated at less than 65% capacity since its 
inception in 1992 as a result of significant cost overruns during 
construction and competition from two other interstate pipelines. The sale 
released the Company from all debt obligations and guarantees related to 
NOARK.  Pursuant to terms included in the sales agreement, the Company paid 
EAPC $9,200,000 in April 1998 and will pay $3,100,000 and $800,000 in April 
1999 and 2000, respectively. The Company will receive annual payments of 
$842,000 from EAPC for 17 years beginning in the year 2004. 
     ENVIRONMENTAL MATTERS - Prior to the construction of major natural gas 
pipelines, gas for heating and other uses was manufactured from processes 
involving coal, coke or oil.  The Gas Company owns seven sites which formerly 
housed such manufacturing facilities and expects that it will ultimately 
incur investigation and remedial action costs at some of these sites, and a 
number of other sites.  The Gas Company has submitted a plan to the 
appropriate environmental regulatory authority in the State of Michigan for 
work to begin at one site.  The extent of the Gas Company's liabilities and 
potential costs in connection with these sites cannot be reasonably estimated 
at this time.  In accordance with an MPSC accounting order, any environmental 
investigation and remedial action costs will be deferred and amortized over 
ten years.  Rate recognition of the related amortization expense will not 
begin until after a prudence review in a general rate case. 


(7)  SUBSEQUENT EVENT

     In April 1999, the Company acquired Iowa Pipeline Associates, Inc. 
("Iowa Pipeline").  Iowa Pipeline provides underground construction services 
to customers in Iowa, Kansas, Missouri and Nebraska and has annual revenues 
of approximately $10 million. 



















                                    -11-

                PART I - FINANCIAL INFORMATION - (Continued)


Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations.


RESULTS OF OPERATIONS

     Net income of SEMCO Energy, Inc. and its subsidiaries (the "Company") 
was $10,403,000 (or $0.60 per share) for the quarter ended March 31, 1999 
compared to $8,572,000 (or $0.58 per share) for the quarter ended March 31, 
1998.  On a weather-normalized basis, net income for the quarter ended 
March 31, 1999 would have been approximately $11,070,000 (or $0.63 per share) 
compared to approximately $11,172,000 (or $0.75 per share) for the same 
period of the prior year.  The net income for the first quarter of 1999 
includes income of $729,000 after tax (or $0.04 per share) from the 
divestiture of the Company's energy marketing business.  The net income for 
the first quarter of 1998 includes income of $1,784,000 after tax (or $0.12 
per share) from a change in accounting method for property taxes and income 
of $1,708,000 after tax (or $0.12 per share) from the divestiture of the 
Company's investment in the NOARK Pipeline System Partnership ("NOARK").  
     Net income for the twelve months ended March 31, 1999 was $11,871,000 
(or $0.72 per share) compared to $14,187,000 (or $0.97 per share) for the 
twelve months ended March 31, 1998.  On a weather-normalized basis, net 
income would have been approximately $17,118,000 (or $1.03 per share) for the 
twelve months ended March 31, 1999 compared to approximately $16,862,000 (or 
$1.15 per share) for the same period of the prior year.  The net income for 
the twelve months ended March 31, 1999 includes the income discussed above of 
$729,000 after tax related to the divestiture of the energy marketing 
business plus an extraordinary charge of $499,000 after tax (or $0.03 per 
share) from the early retirement of long-term debt.  The net income for the 
twelve months ended March 31, 1998 includes the income of $1,784,000 after 
tax from a change in accounting method and $1,708,000 after tax from the 
divestiture of NOARK discussed above. 


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                              --------------------      -------------------- 
                                                               1999         1998         1999         1998   
                                                              -------      -------      -------      ------- 
                                                                          (dollars in thousands)
                                                                                         
Net income as reported                                        $10,403      $ 8,572      $11,871      $14,187 

Impact on net income of the following:
  Colder (warmer) than normal weather                         $  (667)     $(2,600)     $(5,247)     $(2,675)
  Divestiture of NOARK investment                             $    --      $ 1,708      $    --      $ 6,733 
  Divestiture of marketing business                           $   729      $    --      $   729      $    -- 
  Change in accounting method                                 $    --      $ 1,784      $    --      $ 1,784 
  Extraordinary charge                                        $    --      $    --      $  (499)     $    -- 

Net income excluding the foregoing items                      $10,341      $ 7,680      $16,888      $ 8,345 
EPS excluding the foregoing items                             $  0.59      $  0.52      $  1.02      $  0.57 


                                    -12-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


RESULTS OF OPERATIONS (Continued)

     The Company's largest business segment, natural gas distribution, is 
seasonal in nature and depends on the winter months for the majority of its 
operating revenue.  As a result, a substantial portion of the Company's 
annual results of operations is earned during the first quarter of the year.  
Therefore, the Company's results of operations for the three months ended 
March 31, 1999 and 1998 are not necessarily indicative of results for a full 
year. 


SUMMARY OF BUSINESS SEGMENTS

     The Company sold the subsidiary comprising its energy marketing business 
effective March 31, 1999.  The Company operates four business segments:  gas 
distribution, engineering services, pipeline construction services and 
propane, pipelines and storage.  The Company's gas distribution business 
segment distributes and transports natural gas to approximately 250,000 
customers within the state of Michigan.  The engineering services segment has 
offices in New Jersey, Michigan, Louisiana and Texas and provides a variety 
of energy related engineering and quality assurance services in several 
states.  The pipeline construction services business segment provides 
primarily pipeline construction services in Iowa, Kansas, Michigan, Missouri, 
Nebraska and Tennessee.  The propane, pipelines and storage segment sells 
approximately 5 million gallons of propane annually to retail customers in 
Michigan's upper peninsula and northeast Wisconsin and operates natural gas 
transmission, gathering and storage facilities in Michigan.  
     The following table shows the operating revenues and operating income of 
each of the Company's business segments as well as a reconciliation 
("Corporate and other") of the segment information to the applicable line in 
the consolidated financial statements.  Corporate and other includes 
intercompany eliminations, corporate related expenses not allocated to the 
segments and the results of other smaller operations. 
















                                    -13-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


SUMMARY OF BUSINESS SEGMENTS (Continued)


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                             ---------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                             --------     --------     --------     -------- 
                                                                          (dollars in thousands)
                                                                                        
Operating Revenues
  Gas Distribution                                           $ 76,980     $ 75,789     $185,413     $214,139 
  Engineering Services                                          5,719        3,148       43,938        7,306 
  Construction Services                                         4,685        2,720       27,869       15,927 
  Propane, Pipelines and Storage                                1,944          690        6,106        2,957 
  Energy Marketing                                             96,904      148,273      346,519      537,271 
  Corporate and Other                                          (2,352)      (4,149)     (14,950)     (29,434)
                                                             --------     --------     --------     -------- 
    Total Operating Revenues                                 $183,880     $226,471     $594,895     $748,166 
                                                             ========     ========     ========     ======== 

Operating Income (Loss)
  Gas Distribution                                           $ 17,867     $ 13,013     $ 27,217     $ 23,661 
  Engineering Services                                            451          414        2,975          864 
  Construction Services                                        (1,245)      (1,160)        (186)        (398)
  Propane, Pipelines and Storage                                  796          374        2,008        1,501 
  Energy Marketing                                               (341)         206       (1,243)      (1,429)
  Corporate and Other                                            (181)         (10)      (2,065)        (345)
                                                             --------     --------     --------     -------- 
    Total Operating Income                                   $ 17,347     $ 12,837     $ 28,706     $ 23,854 
                                                             ========     ========     ========     ======== 

     Each business segment is discussed on the following pages.  The Company 
evaluates the performance of its business segments based on the operating 
income generated.  Operating income does not include income taxes, interest 
expense, extraordinary items, changes in accounting method and other 
non-operating income and expense items.  A review of the non-operating items 
follows the business segment discussions. 


GAS DISTRIBUTION

     Operating income from the Company's gas distribution business ("Gas 
Company") was $17,867,000 for the quarter ended March 31, 1999 compared to 
$13,013,000 for the quarter ended March 31, 1998.  On a weather-normalized 
basis, the Gas Company's operating income would have been approximately 
$18,817,000 for the first quarter of 1999 compared to approximately 
$17,063,000 for the same period of the prior year. 







                                    -14-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


GAS DISTRIBUTION (Continued)


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                             ---------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                             --------     --------     --------     -------- 
                                                                          (dollars in thousands)

                                                                                        
Gas sales revenue                                            $ 68,978     $ 70,837     $164,841     $199,221 
Cost of gas sold                                               45,999       48,514      106,873      135,206 
                                                             --------     --------     --------     -------- 
  Gas sales margin                                           $ 22,979     $ 22,323     $ 57,968     $ 64,015 
Gas transportation revenue                                      6,629        4,029       17,432       13,320 
Other operating revenue                                         1,373          923        3,140        1,598 
                                                             --------     --------     --------     -------- 
  Gross margin                                               $ 30,981     $ 27,275     $ 78,540     $ 78,933 
Operating expenses                                             13,114       14,262       51,323       55,272 
                                                             --------     --------     --------     -------- 
Operating income                                             $ 17,867     $ 13,013     $ 27,217     $ 23,661 
                                                             ========     ========     ========     ======== 
Weather-normalized operating income                          $ 18,817     $ 17,063     $ 34,917     $ 27,811 
                                                             ========     ========     ========     ======== 

Volumes sold (MMcf)                                            15,875       15,569       32,552       39,030 
Volumes transported (MMcf)                                      9,045        6,433       26,403       21,536 
Number of customers at end of period                          250,065      243,723      250,065      243,723 
Degree days                                                     3,239        2,784        6,021        6,455 
Percent colder (warmer) than normal                             (2.1%)      (16.0%)      (12.5%)       (6.1%)

<FN>
The amounts in the table above include intercompany transactions.
</FN>


     GAS SALES MARGIN - The Gas Company's gas sales margin for the first 
quarter of 1999 increased by $656,000 when compared to the first quarter of 
1998.  The increase over the prior period was due to additional gas sales 
resulting from the colder weather and the addition of new customers, offset 
partially by a shift in customers to transportation as a result of a new 
multi-location aggregation program offered to customers. 
     Weather during the first quarter of 1999 was 2.1% warmer than normal 
while the weather during the first quarter of 1998 was 16.0% warmer than 
normal.  The Gas Company had 250,065 customers at March 31, 1999, an increase 
of 6,342 since March 31, 1998. The colder weather and increase in the number 
of customers during the first quarter of 1999 when compared to first quarter 
of  1998 increased gas sales margin by approximately  $3,100,000. 












                                    -15-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


GAS DISTRIBUTION (Continued)

     The aggregation program, which was effective April 1, 1998, provides all 
commercial and industrial customers the opportunity to aggregate multiple 
service locations and purchase their gas from a third-party supplier, while 
allowing the Gas Company to continue charging the existing distribution fees 
and customer fees.  The program is referred to as the Aggregated 
Transportation Service ("ATS") program.  Distribution and customer fees 
associated with customers who have switched to third-party gas suppliers are 
recorded in gas transportation revenue rather than gas sales revenue because 
the Gas Company is now acting as a transporter for those customers.  Gas 
sales margin for the three months ended March 31, 1999 decreased by 
approximately $2,500,000 when compared to the same period of the prior year 
as a result of customers participating in the ATS program.  The $2,500,000 
decrease in gas sales margin is offset by a corresponding increase in gas 
transportation revenue.  The aggregation program was approved in the October 
1997 Order of the Michigan Public Service Commission ("1997 rate case") (see 
Note 2 in the Notes to the Consolidated Financial Statements in the Company's 
1998 Annual Report on Form 10-K). 
     Gas sales margin for the twelve months ended March 31, 1999 decreased by 
$6,047,000 when compared to the twelve months ended March 31, 1998.  
Approximately $5,000,000 of the decrease is attributable to customers 
participating in the new ATS program.  Warmer weather during the twelve 
months ended March 31, 1999 caused a decrease of approximately $3,700,000 in 
gas sales margin when compared to the prior twelve month period.  These 
decreases were offset partially by increases in gas sales margin due to the 
addition of new customers and a rate increase effective in October 1997.  The 
rate increase was granted in the 1997 rate case to allow for the recovery of 
costs related to a change in accounting for retiree medical costs (see Note 2 
in the Notes to the Consolidated Financial Statements in the Company's 1998 
Annual Report on Form 10-K). 

     GAS TRANSPORTATION REVENUE - For the three months and twelve months 
ended March 31, 1999, gas transportation revenue increased by $2,600,000 and 
$4,112,000, respectively when compared to the same periods of 1998.  The 
increase during the first quarter of 1999 relates primarily to customers 
participating in the new ATS program.  As discussed above, the increase in 
gas transportation revenue as a result of participation in the ATS program is 
generally offset by a corresponding decrease in gas sales margin.  The 
increase for the twelve months ended March 31, 1999 is due to new ATS 
revenues of approximately $5,000,000 offset partially by lower off-peak 
transportation rates approved in the 1997 rate case.  The new off-peak 
transportation rates are in effect from April through October and are $0.15 
per Mcf lower than the Gas Company's regular transportation rates. 

     OTHER OPERATING REVENUE - Other operating revenue of the Gas Company 
increased by $450,000 during the first quarter of 1999.  The increase is due 
primarily to additional balancing charges related to the new ATS program and 
an increase in various miscellaneous fees.  These items also account for the 
$1,542,000 increase in other operating revenue during the twelve months ended 
March 31, 1999 compared to the same period of 1998. 

                                    -16-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


GAS DISTRIBUTION (Continued)

     OPERATING EXPENSES - The Gas Company's operating expenses decreased by 
$1,148,000 during the three months ended March 31, 1999 compared to the three 
months ended March 31, 1998.  The decrease is due primarily to decreases in 
employee expenses, retiree medical expenses and uncollectible gas accounts 
offset partially by an increase in depreciation expense and outside services.  
Employee expenses such as wages, insurance and benefits decreased by 
approximately $350,000 due primarily to lower employee levels as a result of 
the early retirement program in 1998 and changes to the Company's employee 
benefit programs (refer to Note 9 in the Notes to the Consolidated Financial 
Statements in the Company's 1998 Annual Report on Form 10-K for information 
on the early retirement program).  Retiree medical expense decreased by 
approximately $940,000 due to changes to the Company's retiree medical 
programs ($425,000) and a one-time charge ($515,000) recorded in the first 
quarter of 1998 related to the early retirement program.  There was a 
decrease of approximately $325,000 in uncollectible gas accounts due 
generally to increased collection efforts.  Depreciation expense increased by 
approximately $200,000 as a result of new property, plant and equipment 
placed in service. 
     During the twelve months ended March 31, 1999, operating expenses 
decreased by $3,949,000 when compared to the twelve months ended March 31, 
1998.  Approximately $2,500,000 of the decrease is attributable to an overall 
reduction in general and administrative expenses due to cost cutting measures 
initiated during the past twelve months and reductions in compensation and 
employee benefit expenses due primarily to lower employee levels as a result 
of the Company's early retirement program and changes to the Company's 
employee benefit plans.  In addition, regulatory expenses decreased by 
$450,000 due to reduced regulatory activity, uncollectible gas accounts 
decreased by $900,000 due to increased collection efforts and lower accounts 
receivable as a result of the warmer weather, and insurance costs decreased 
by $650,000 due primarily to efforts to reduce premiums while maintaining 
coverage levels.  Retiree medical costs for the twelve months ended March 31, 
1999 decreased by $480,000, inclusive of a one-time reduction in retiree 
medical expense of $860,000 recorded in the third quarter of 1998.  The 
one-time reduction of $860,000 related to the early retirement program 
offered in 1998.  Excluding the one-time reduction, retiree medical expense 
increased by $380,000 during the twelve months ended March 31, 1999 due to 
increases approved in the 1997 rate case offset partially by decreases 
resulting from changes to the Company's retiree medical programs.  The 1997 
rate case authorized a customer rate increase to offset the impact of the 
additional retiree medical costs.  These decreases in various expenses during 
the twelve months ended March 31, 1999 were offset partially by an increase 
of approximately $1,070,000 in depreciation expense as a result of new 
property, plant and equipment place in service. 




                                    -17-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


ENGINEERING SERVICES

     Operating income for the Company's engineering services business 
("Engineering Services") was $451,000 for the first quarter of 1999 compared 
to $414,000 for the first quarter of 1998.  Engineering Services is comprised 
of two companies, Maverick Pipeline Services, Inc. ("Maverick") and Oilfield 
Materials Consultants, Inc. ("OMC").  The acquisition of Maverick, in 
December 1997, was accounted for as a purchase.  Therefore, the consolidated 
financial statements and the table below include the results of Maverick's 
operations since December 1997.  The acquisition of OMC, in November 1998, 
was accounted for as a pooling of interests and, accordingly, the 
consolidated financial statements and the table below have been restated to 
include the financial results of OMC as if it were part of the Company for 
all of periods presented. 


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                              --------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                              -------      -------     --------     -------- 
                                                                          (dollars in thousands)
                                                                                        
Operating revenues                                            $ 5,719      $ 3,148     $ 43,938     $  7,306 
Operating expenses                                              5,268        2,734       40,963        6,442 
                                                              -------      -------     --------     -------- 
Operating income                                              $   451      $   414     $  2,975     $    864 
                                                              =======      =======     ========     ======== 

Billed hours                                                   97,000       65,000      619,000      160,000 
                                                              =======      =======     ========     ======== 
<FN>
The amounts in the table above include intercompany transactions.
</FN>


     OPERATING REVENUES - Engineering Services' operating revenues increased 
by $2,571,000 during the three months ended March 31, 1999 compared to the 
same period of the prior year.  The increase in operating revenues is due 
primarily to growth in field service revenues and a meter/regulator turnkey 
project in 1999.  Operating income increased during the first quarter of 1999 
but not in the same proportion that operating revenues increased due to a 
different mix of work performed in the first quarter of 1999 when compared to 
the first quarter of 1998. 
     During the twelve months ended March 31, 1999, Engineering Services' 
operating revenues increased $36,632,000 or approximately six-fold from the 
twelve months ended March 31, 1998.  Approximately $26,100,000 of the 
increase represents the operating revenues of Maverick since it was acquired 
in December 1997.  The remainder of the increase in operating revenues when 
comparing the twelve-month periods is attributable to OMC.  The growth in 
OMC's revenues, most of which occurred in mid to late 1998, is due to growth 
in OMC's customer base and growth in quality assurance and quality control 
projects worked on during that period. 





                                    -18-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


ENGINEERING SERVICES (Continued)

     OPERATING EXPENSES - During the first quarter of 1999, Engineering 
Services' operating expenses increased by $2,534,000, when compared to the 
first quarter of 1998.  The increase is due primarily to increases in 
employee and project costs to support the increase in operating revenue 
during the three months ended March 31, 1999.  
     Operating expenses increased by $34,521,000 during the twelve months 
ended March 31, 1999 compared to the same period of the prior year.  
Approximately $24,300,000 of the increase represents the operating expenses 
of Maverick since it was acquired in December 1997, and the remainder 
represents increases in employee and project costs to support the increase in 
OMC's operating revenue during the twelve months ended March 31, 1999. 


CONSTRUCTION SERVICES 

     The Company's construction services business ("Construction Services") 
incurred a seasonal operating loss of $1,245,000 during the first quarter of 
1999.  The loss was in line with management's expectations and was similar in 
size to the loss incurred during the same period of the prior year.  
Underground construction businesses generally incur operating losses during 
the winter months when underground construction is inhibited. 
     Construction Services' operating results for the three and twelve months 
ended March 31, 1999 and 1998 include the results of the following businesses 
for the periods subsequent to their acquisition dates: 

                    Company                          Acquisition Date
     ---------------------------------------------   ----------------
     Sub-Surface Construction Co. ("Sub-Surface")      August 1997 
     King Energy & Construction Co. ("King")           May 1998 
     K&B Construction, Inc. ("K&B")                    February 1999 

     Construction Services' results also include the operating losses of an 
overhead-line construction company it started in Florida in January of 1998.  
The operations of this business were halted in mid-1998 in response to lower 
than expected business levels and earnings. 
     For the twelve months ended March 31, 1999 and 1998, Construction 
Services incurred operating losses of $186,000 and $398,000, respectively.  
Excluding the losses from the start-up overhead-line business, Construction 
Services would have generated operating income of approximately $475,000 for 
the twelve months ended March 31, 1999 and would have generated an operating 
loss of approximately $180,000 for the twelve months ended March 31, 1998. 







                                    -19-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


CONSTRUCTION SERVICES (Continued)


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                              --------------------    ---------------------- 
                                                               1999         1998         1999         1998   
                                                              -------      -------    ---------    --------- 
                                                                          (dollars in thousands)
                                                                                       
Operating revenues                                            $ 4,685      $ 2,720    $  27,869    $  15,927 
Operating expenses                                              5,930        3,880       28,055       16,325 
                                                              -------      -------    ---------    --------- 
Operating income (loss)                                       $(1,245)     $(1,160)   $    (186)   $    (398)
                                                              =======      =======    =========    ========= 

Feet of pipe installed                                        697,000      426,000    4,702,000    2,847,000 
                                                              =======      =======    =========    ========= 
<FN>
The amounts in the table above include intercompany transactions.
</FN>


     OPERATING REVENUES - Construction Services' operating revenues increased 
by $1,965,000 during the first quarter of 1999, compared to the first quarter 
of 1998.  The increase is due primarily to the revenues of King and K&B, 
which were acquired after the first quarter of 1998.  Operating revenues 
during the twelve months ended March 31, 1999 increased by $11,942,000 when 
compared to the same period of the prior year.  The increase in revenues from 
one period to the next occurred primarily because each twelve-month period 
includes only the results of each company subsequent to its acquisition date. 

     OPERATING EXPENSES - The operating expenses of Construction Services for 
the three months ended March 31, 1999 increased  $2,050,0000 when compared to 
the three months ended March 31, 1998.  The increase is due to the 
acquisitions of King and K&B as discussed above.  The $11,730,000 increase in 
operating expenses for the twelve months ended March 31, 1999 compared to the 
same period of 1998 is due to the same issue discussed in the operating 
revenues section above. 


PROPANE, PIPELINES AND STORAGE


                                                             Three Months Ended         Twelve Months Ended  
                                                                  March 31,                   March 31,      
                                                            --------------------      ---------------------- 
                                                               1999         1998         1999          1998  
                                                            ---------       ----      ---------       ------ 
                                                                          (dollars in thousands)
                                                                                          
Operating revenues                                          $   1,944       $690      $   6,106       $2,957 
Operating expenses                                              1,148        316          4,098        1,456 
                                                            ---------       ----      ---------       ------ 
Operating income                                            $     796       $374      $   2,008       $1,501 
                                                            =========       ====      =========       ====== 

Propane volumes sold (gallons)                              1,644,000        n/a      4,051,000          n/a 
                                                            =========       ====      =========       ====== 





                                    -20-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


PROPANE, PIPELINES AND STORAGE (Continued)

     OPERATING REVENUES - For the three months and twelve months ended 
March 31, 1999, the operating revenues of the Company's propane, pipelines 
and storage business increased by $1,254,000 and $3,149,000, respectively 
when compared to the same periods of 1998.  The increases in both the three 
and twelve month periods are due primarily to the operating revenues of 
Hotflame Gas, Inc. ("Hotflame") which was acquired on March 31, 1998.  The 
acquisition of Hotflame was accounted for as a purchase and therefore, only 
the results of operations since April 1998 are included in the Company's 
operating results. 

     OPERATING INCOME - The operating income from propane, pipelines and 
storage increased during the three months and twelve months ended March 31, 
1999 by $422,000 and $507,000 when compared to the same periods of the prior 
year.  These increases are due primarily to the operations of Hotflame.  As 
discussed above, the three months and twelve months ended March 31, 1998 do 
not include the results of Hotflame because it was acquired on March 31, 
1998.  On a weather-normalized basis, operating income for the propane, 
pipelines and storage business would have been approximately $896,000 for the 
three months ended March 31, 1999 and $2,388,000 for the twelve months ended 
March 31, 1999. 


ENERGY MARKETING

     The Company sold its gas marketing business ("Energy Services") 
effective March 31, 1999.  The business was sold because management concluded 
that it did not fit the Company's new strategic direction due to the high 
risks and generally poor returns associated with the business.  The Company 
recognized a gain on the sale.  The gain is reported in other income 
(discussed in the subsequent section) and thus, is not reflected in the 
operating income shown in the table below. 


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                              --------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                              -------     --------     --------     -------- 
                                                                          (dollars in thousands)
                                                                                        
Gas marketing revenues                                        $96,904     $148,273     $346,519     $537,271 
Cost of gas marketed                                           95,681      145,933      343,510      531,387 
                                                              -------     --------     --------     -------- 
Gas marketing margin                                          $ 1,223     $  2,340     $  3,009     $  5,884 
Operating expenses                                              1,564        2,134        4,252        7,313 
                                                              -------     --------     --------     -------- 
Operating income (loss)                                       $  (341)    $    206     $ (1,243)    $ (1,429)
                                                              =======     ========     ========     ======== 
<FN>
The amounts in the table above include intercompany transactions.
</FN>



                                    -21-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


ENERGY MARKETING (Continued)

     GAS MARKETING MARGIN - Gas marketing margins decreased during the three 
months and twelve months ended March 31, 1999 by $1,117,000 and $2,875,000, 
respectively, when compared to the same periods in 1998.  A significant 
portion of the decreases in both periods corresponds with the decrease in gas 
marketing volumes as a result of terminating agreements with all of Energy 
Marketing's third-party gas marketing companies during 1998.  The agreements 
were terminated to eliminate lower margin transactions and reduce risks.  In 
addition to the decrease in volumes, the impact of warm weather on market 
demand and increased competition also pushed gas marketing margins lower. 

     OPERATING EXPENSES - Compared to the same periods of the prior year, 
Energy Marketing's operating expenses decreased during the three months and 
twelve months ended March 31, 1999 by $570,000 and $3,061,000, respectively.  
The decreases were due primarily to lower incentive payments to the Company's 
third-party gas marketers and the termination of gas marketing agreements 
with these companies as discussed above.


OTHER INCOME AND DEDUCTIONS


                                                               Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                              --------------------     --------------------- 
                                                               1999         1998         1999         1998   
                                                              -------      -------     --------     -------- 
                                                                          (dollars in thousands)
                                                                                        
Divestiture of NOARK investment                               $    --      $ 1,480     $  3,568     $  9,210 
Divestiture of energy marketing business                        1,122           --        1,122           -- 
Interest expense                                               (3,894)      (3,688)     (15,018)     (13,556)
Dividends on preferred stock                                      (48)         (48)        (193)        (193)
Other income (deductions)                                          26       (1,521)       2,383       (1,445)
                                                              -------      -------     --------     -------- 
  Total other income (deductions)                             $(2,794)     $(3,777)    $ (8,138)    $ (5,984)
                                                              =======      =======     ========     ======== 


     DIVESTITURE OF NOARK INVESTMENT - The Company sold its investment in 
NOARK in January 1998 after a number of write-downs and reserve adjustments 
related to the investment.  Refer to Management's Discussion and Analysis and 
Note 15 in the Notes to the Consolidated Financial Statements in the 
Company's 1998 Annual Report on Form 10-K for additional information related 
to the NOARK investment. 

     DIVESTITURE OF ENERGY MARKETING BUSINESS - The Company sold its energy 
marketing business effective March 31, 1999.  The divestiture generated a 
gain of $1,122,000 ($729,000 after tax) which is reflected in the results for 
the three months and twelve months ended March 31, 1999. 




                                    -22-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


OTHER INCOME AND DEDUCTIONS (Continued)

     INTEREST EXPENSE - During the first quarter of 1999, interest expense 
increased $206,000 compared to the first quarter of 1998.  The increase is 
due primarily to increases in debt levels to finance the Company's capital 
expenditure program offset partially by the repayment of short-term debt with 
the proceeds from the Company's sale of 1.82 million shares of its common 
stock in August 1998.  Interest expense for the twelve months ended March 31, 
1999 increased by $1,462,000 when compared to the same period in 1998.  The 
increase between the twelve-month periods is due generally to the same items 
that caused the increases between quarterly periods. 

     OTHER INCOME AND DEDUCTIONS - The change in other income between the 
three months ended March 31, 1999 and the same three months of 1998 is due 
primarily to an increase in equity income from partnership investments in gas 
pipeline and storage facilities and other non-recurring charges in 1998.  The 
change in other income between the twelve months ended March 31, 1999 and the 
same twelve months of 1998 is due primarily to an increase in equity income 
from partnership investments in gas pipeline and storage facilities and other 
non-recurring charges in the twelve months ended March 31, 1998.


INCOME TAXES

     Income taxes were $4,150,000 and $2,272,000 for the three months ended 
March 31, 1999 and 1998, respectively, and $8,198,000 and $5,467,000 for the 
twelve months ended March 31, 1999 and 1998, respectively.  The change in the 
amount of  income taxes, when comparing one period to another, is due 
primarily to changes in pre-tax earnings and any adjustments necessary for 
compliance with current tax laws and regulations. 


ACCOUNTING METHOD CHANGE AND EXTRAORDINARY ITEM

     The Company changed its method of accounting for property taxes during 
the first quarter of 1998.  The cumulative effect of the change in accounting 
method increased earnings by $1,784,000.  The Company also incurred an 
extraordinary charge of $499,000 after-tax in April 1998 for the early 
redemption of all of its outstanding 8.625% debentures due April 15, 2017.  
Refer to Note 1 of the Notes to the Consolidated Financial Statements in the 
Company's 1998 Annual Report on Form 10-K for more information on these 
items. 







                                    -23-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


LIQUIDITY AND CAPITAL RESOURCES

     CASH FLOWS - Net cash from operating activities for the three and twelve 
month periods ended March 31, 1999, as compared to the same periods of the 
prior year, decreased by $10,119,000 and  $19,749,000, respectively. The 
change in operating cash flows is significantly influenced by changes in the 
level and cost of gas in underground storage, changes in accounts receivable 
and accrued revenue and other working capital changes.  The changes in these 
accounts are largely the result of the timing of receipts and payments. 
     The Company has spent approximately $5,829,000 on property additions 
during the first three months of 1999 and anticipates spending approximately 
$14,500,000 on property additions during the remainder of 1999.  In addition, 
the Company is planning to incur additional expenditures for business 
acquisitions during the remainder of 1999. 



                                                                Three Months Ended       Twelve Months Ended  
                                                                    March 31,                 March 31,      
                                                               -------------------      --------------------- 
CAPITAL INVESTMENTS                                             1999        1998         1999          1998   
                                                               ------      -------      -------       ------- 
                                                                          (dollars in thousands)
                                                                                          
Property additions - gas distribution                          $3,907      $ 5,031      $21,905       $28,937 
Property additions - diversified businesses                     1,922          410        3,758         1,580 
Business acquisitions <F1>                                      1,925        6,000       16,281 <F2>   21,567 
                                                               ------      -------      -------       ------- 
                                                               $7,754      $11,441      $41,944       $52,084 
                                                               ======      =======      =======       ======= 
<FN>
<F1>
    Includes the value of Company stock issued and debt incurred for acquisitions.
<F2>
    Includes $14,073 of company stock issued for the acquisition of OMC.  The acquisition of OMC was accounted 
    for as a pooling of interests.
</FN>


     Financing activities used $43,029,000 in funds during the first quarter 
of 1999 primarily to repay notes payable. 
     In April 1999 the Company's Board of Directors declared a regular 
quarterly cash dividend on common stock of $.205 per share (a 2.5% increase 
over the prior quarterly cash dividend) and a special cash dividend of $.05 
per share.  Both dividends are payable on May 15, 1999 to shareholders of 
record at the close of business on May 5, 1999.  The Board of Directors 
announced it has discontinued the practice of declaring a five percent stock 
dividend.

     FUTURE FINANCING - The Company's operating cash flow needs, as well as 
dividend payments and capital expenditures for the balance of 1999, are 
expected to be met primarily through operating activities and the utilization 
of short-term lines of credit. At March 31, 1999, the Company had  
$110,000,000 of short-term credit facilities, of which $91,700,000 was 
unused. 
     At March 31, 1999, the Company also had $142,700,000 in remaining 
authorization on the $200,000,000 universal shelf registration filed in July 
1998.  The universal shelf registration includes debt securities and common 
stock of the Company and trust preferred securities of SEMCO Capital Trust. 

                                    -24-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


LIQUIDITY AND CAPITAL RESOURCES (Continued)

     The Company expects to acquire additional businesses during the 
remainder of 1999 and will likely raise the required capital through a 
combination of utilizing short-term lines of credit and issuing long-term 
debt or common stock.  
     The Company sells new shares of common stock through its Direct Stock 
Purchase and Dividend Reinvestment Plan ("DRIP") on a monthly basis.  The 
Company has determined that it does not need the additional equity capital 
being generated through DRIP sales.  Therefore, starting in May 1999, the 
Company will begin purchasing shares of its common stock on the open market 
(and/or in private transactions) to offset the number of shares sold through 
the DRIP.
     See Note 6 of the Notes to the Consolidated Financial Statements for a 
discussion of the amounts to be paid in conjunction with the sale of NOARK. 


YEAR 2000

     STATE OF READINESS - The Company uses computer systems, equipment, 
software and related devices ("technology systems") that have date-sensitive 
embedded technology that may not be able to distinguish between the year 1900 
and the year 2000 ("Y2K").  If not corrected, this could cause the Company 
to, among other things, report inaccurate data, issue inaccurate bills or 
incur gas delivery problems.  The Company has initiated an enterprise-wide 
plan to prepare for Y2K (the "Y2K Plan").  The Y2K Plan has four phases: (i) 
identification; (ii) remediation; (iii) testing; and (iv) contingency 
planning. The identification phase includes identification, inventory, 
assessment, and prioritization plan development for all technology systems.  
The remediation phase involves the upgrading, modification, or replacement of 
technology systems.  The testing phase includes testing the remediated 
technology systems to ensure that they accurately handle the year 2000 date 
and monitoring the remediated systems to ensure that Y2K problems are not 
reintroduced.  The contingency planning phase involves the development of 
contingency plans to address certain risk scenarios. 
     The Y2K Plan is being used for traditional information technology ("IT") 
which includes essential business systems such as payroll, billing, 
accounting systems, wide area networks, local area networks, personal 
computers, etc.  The Company is also using the Y2K Plan for process control 
computers and embedded systems contained in buildings, equipment and the gas 
supply and delivery systems. 








                                    -25-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


YEAR 2000 (Continued)

     The Company has completed the identification phase for all significant 
internal technology systems and is currently in the remediation and testing 
phases on most of its Y2K projects.  The Company currently plans to complete 
the remediation phase for all significant internal technology systems by July 
1999 and complete the testing phase by September 1999, with continuous 
monitoring of tested systems through the end of 1999.  The Company is in the 
early stages of contingency planning for its Y2K projects and plans to be 
completed with all contingency planning by November 1999. 
     The Company has inquired of third parties, i.e., vendors, suppliers and 
customers, which have a material relationship with the Company, as to the 
status of their Y2K readiness.  To date, the Company has not received all of 
the responses from these third parties and, therefore, is unable to state 
with reasonable assurance the status of their readiness for Y2K.  The Company 
continues to work with critical vendors, suppliers and customers to gain 
assurance of their Y2K readiness, and will develop contingency plans to 
mitigate anticipated shortcomings in their readiness. 

     COST OF REMEDIATION - The Company is expensing the cost of modifications 
to technology systems as incurred, while capitalizing and amortizing the cost 
of new software over its useful life.  The Company estimates that the total 
expense of the Y2K Plan is approximately $2.0 to $2.5 million.  Expenses 
incurred through March 31, 1999 related to the Y2K Plan were approximately 
$1.6 million.  The Company has incurred an opportunity cost for implementing 
the Y2K Plan, thus deferring potentially beneficial IT projects. 

     RISK ASSESSMENT - The Company has identified what it believes are the 
most significant worst case Y2K scenarios.  These scenarios are (i) 
interference with the Company's ability to receive and deliver gas to 
customers and perform services for customers; (ii) interference with the 
Company's ability to monitor gas pressure and safety throughout the Company's 
gas distribution system; (iii) interference with communications during safety 
related emergencies and (iv) interference with the Company's ability to bill 
and receive payments from customers.  These scenarios could result in the 
Company not being able to deliver gas or perform other services for a period 
of time, which could have a material adverse effect on the Company's 
liquidity, financial condition and results of operations.  The Company's Y2K 
Plan is being used to address these worse case scenarios.  Contingency plans 
will be revised and executed to further mitigate the risks associated with 
these scenarios. 








                                    -26-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


YEAR 2000 (Continued)

     The Company expects that its Y2K Plan will be adequate to address its 
Y2K issues and is developing contingency plans to further assure that vital 
functions of the Company dependent on third parties will continue 
uninterrupted.  Contingency plans will include existence of short-term 
in-house capabilities (e.g. back-up power generation) and diversification of 
goods and services among multiple suppliers (e.g. pipeline companies).  
However, there are functions, which cannot be duplicated, such as the local 
telephone network, which remain a vulnerability to the Company.  Of course, 
there can be no assurance as to whether the contingency plans will 
successfully address all contingencies that may arise.  In the event that the 
Company is unsuccessful in addressing its Y2K issues, there could be a 
material adverse effect on the Company's liquidity, financial condition and 
results of operations. 


SUBSEQUENT EVENTS

     In April 1999, the Company acquired Iowa Pipeline Associates, Inc. 
("Iowa Pipeline").  Iowa Pipeline employs approximately 185 people and has 
annual revenues of approximately $10 million.  Iowa Pipeline provides 
underground construction services to customers in Iowa, Kansas, Missouri and 
Nebraska. 


NEW ACCOUNTING STANDARD

     In June of 1998, the Financial Accounting Standards Board issued 
Statement of Financial Accounting Standards No. 133, "Accounting for 
Derivative Instruments and Hedging Activities" ("SFAS 133").  SFAS 133 
establishes accounting and reporting standards requiring that every 
derivative instrument (including certain derivative instruments embedded in 
other contracts) be recorded in the balance sheet as either an asset or 
liability measured at its fair value.  SFAS 133 requires that changes in the 
derivative's fair value be recognized currently in earnings unless specific 
hedge accounting criteria are met.  Special accounting for qualifying hedges 
allows a derivative's gains and losses to offset related results on the 
hedged item in the income statement, and requires that a company must 
formally document, designate, and assess the effectiveness of transactions 
that receive hedge accounting. 
     SFAS 133 is effective for fiscal years beginning after June 15, 1999.  
The Company is studying the effects of  SFAS 133 but does not expect it to 
have a material impact on the Company's liquidity, financial condition and 
results of operations. 




                                    -27-

Item 2.   Management's Discussion and Analysis of Financial Condition and 
          Results of Operations (Continued).


FORWARD LOOKING STATEMENTS 

     This document contains forward-looking statements within the meaning of 
the Private Securities Litigation Reform Act of 1995 that are based on 
current expectations, estimates and projections.  Statements that are not 
historical facts, including statements about the Company's belief and 
expectations are forward-looking statements.  These statements are subject to 
potential risks and uncertainties and, therefore, actual results may differ 
materially.  The Company undertakes no obligation to update publicly any 
forward-looking statements whether as a result of new information, future 
events or otherwise.  Factors that may impact forward-looking statements 
include, but are not limited to, the following: (i) the effects of weather 
and other natural phenomena; (ii) the economic climate and growth in the 
geographical areas where the Company does business; (iii) the capital 
intensive nature of the Company's business; (iv) increased competition within 
the energy industry as well as from alternative forms of energy; (v) the 
timing and extent of changes in commodity prices for natural gas; (vi) the 
effects of changes in governmental and regulatory policies, including income 
taxes, environmental compliance and authorized rates; (vii) the Company's 
ability to bid on and win business contracts; (viii) the impact of energy 
prices on the amount of projects and business available to Engineering 
Services; (ix) the nature, availability and projected profitability of 
potential investments available to the Company and (x) the conditions of 
capital markets and equity markets. 

























                                    -28-

                         PART II - OTHER INFORMATION


Item 1.   Legal Proceedings.

          None.

Item 2.   Changes in Securities.

          None.

Item 3.   Not applicable.

Item 4.   Not applicable.

Item 5.   Not applicable.

Item 6.   Exhibits and Reports on Form 8-K.

     (a)  List of Exhibits - (See page 32 for the Exhibit Index.)

          --Articles of Incorporation of SEMCO Energy, Inc., as restated 
               July 11, 1989.
          --Certificate of Amendment to Article III of the Articles of 
               Incorporation dated May 16, 1990.
          --Certificate of Amendment to Articles I, III and VI of the Articles 
               of Incorporation dated April 16, 1997.
          --Certificate of Amendment to Article III of the Articles of 
               Incorporation dated April 21, 1999.
          --Bylaws--last revised December 17, 1998.
          --Note Agreement dated as of June 1, 1994, relating to issuance of 
               $80,000,000 of long-term debt.
          --Rights Agreement dated as of April 15, 1997 with Continental Stock 
               Transfer & Trust Company, as Rights Agent.
          --Note Agreement dated as of October 1, 1997, relating to issuance 
               of $60,000,000 of long-term debt.
          --Short-Term Incentive Plan.
          --1997 Long-Term Incentive Plan.
          --Stock Option Certificate and Agreement dated October 10, 1996 with 
               William L. Johnson.
          --Stock Option Certificate and Agreement dated February 26, 1997 with 
               William L. Johnson.
          --Employment Agreement dated October 10, 1996, with William L. 
               Johnson.
          --Change of Control Employment Agreement dated October 10, 1996, with 
               William L. Johnson.
          --Form of Change in Control Agreement effective March 20, 1998, for 
               all officers except Mr. Johnson.
          --Asset Purchase Agreement dated August 9, 1997 between Sub-Surface 
               Construction Co., Stewart Kniff and SEMCO Energy Construction 
               Co., First Amendment to Asset Purchase Agreement, Amendment to 
               Leased Equipment Purchase Agreements and Asset Purchase 
               Agreement, List of Schedules and Exhibits and Agreement to 
               Furnish Schedules and Exhibits.

                                    -29-

                  PART II - OTHER INFORMATION - (Continued)


Item 6.   Exhibits and Reports on Form 8-K - (Continued).

     (a)  List of Exhibits - (Continued)

          --Purchase Agreement between the Company and Merrill Lynch & Co., 
               etc., pertaining to an offering of 1,600,000 Shares of Common 
               Stock.
          --Distribution Agreement between the Company and Merrill Lynch & 
               Co., etc., pertaining to an offering of $150,000,000 
               Medium-Term Notes and Form of Medium Term Note.
          --Agreement and Plan of Merger dated as of October 30, 1998, 
               between the Company, SEMCO Consultants, Inc. and Jimmy C. 
               Foster and the Press Release announcing the merger.
          --Executive Security Agreement.
          --Split-Dollar Agreement.
          --Deferred Compensation and Stock Purchase Agreement for Outside 
               Directors for 1999.
          --Stock Purchase Agreement dated March 15, 1999 concerning the sale 
               of the stock in SEMCO Energy Services, Inc.
          --Financial Data Schedule.
          --Announcement of agreement to sell SEMCO Energy Services, Inc.
          --Announcement of dividend policy change.

     (b)  Reports on Form 8-K.

          On March 23, 1999, the Company filed Form 8-K to report the 
agreement reached for the sale of its natural gas marketing subsidiary, SEMCO 
Energy Services, Inc.
          On April 22, 1999, the Company filed Form 8-K to report the 
declaration of an increase in its regular quarterly cash dividend, the 
declaration of a special cash dividend and the discontinuation of the 
practice of declaring a 5% stock dividend.




















                                    -30-

                                 SIGNATURES



Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.

                                      SEMCO ENERGY, INC.
                                              (Registrant)



Dated:  May 10, 1999     
                                      By: /s/Sebastian Coppola
                                         -------------------------------------
                                         Sebastian Coppola
                                         Senior Vice President and 
                                         Principal Accounting and Financial 
                                         Officer

































                                    -31-

                                EXHIBIT INDEX
                                  Form 10-Q
                             First Quarter 1999
                                                                Filed
                                                         --------------------
Exhibit                                                                 By
  No.               Description                          Herewith    Reference
- --------            -----------                          --------    ---------
 2        Plan of Acquisition, etc.                         NA           NA
 3.(i).1  Articles of Incorporation of SEMCO Energy, 
          Inc., as restated July 11, 1989.(a)                            x
 3.(i).2  Certificate of Amendment to Article III
          of the Articles of Incorporation dated
          May 16, 1990.(b)                                               x
 3.(i).3  Certificate of Amendment to Articles I,
          III and VI of the Articles of Incorporation
          dated April 16, 1997.(g)                                       x
 3.(i).4  Certificate of Amendment to Article III
          of the Articles of Incorporation dated
          April 21, 1999.                                   x
 3.(ii)   Bylaws--last revised December 17, 1998.(o)                     x
 4.1      Note Agreement dated as of June 1, 1994,
          relating to issuance of $80,000,000 of 
          long-term debt.(d)                                             x
 4.2      Rights Agreement dated as of April 15, 1997
          with Continental Stock Transfer & Trust Company, 
          as Rights Agent.(e)                                            x
 4.3      Note Agreement dated as of October 1, 1997,
          relating to issuance of $60,000,000 of 
          long-term debt.(i)                                             x
10        Material Contracts.
10.1      Short-Term Incentive Plan.(c)                                  x
10.2      1997 Long-Term Incentive Plan.(e)                              x
10.3      Stock Option Certificate and Agreement
          dated October 10, 1996 with 
          William L. Johnson.(f)                                         x
10.4      Stock Option Certificate and Agreement
          dated February 26, 1997 with
          William L. Johnson.(f)                                         x
10.5      Employment Agreement dated October 10, 1996,
          with William L. Johnson.(g)                                    x
10.6      Change of Control Employment Agreement dated
          October 10, 1996, with William L. Johnson.(g)                  x
10.7      Form of Change in Control Agreement
          effective March 20, 1998, for all officers
          except Mr. Johnson.(j)                                        x







                                    -32-

                                EXHIBIT INDEX
                                 (Continued)
                                  Form 10-Q
                             First Quarter 1999
                                                                Filed
                                                         --------------------
Exhibit                                                                 By
  No.               Description                          Herewith    Reference
- --------            -----------                          --------    ---------
10.8      Asset Purchase Agreement dated August 9, 1997
          between Sub-Surface Construction Co., Stewart
          Kniff and SEMCO Energy Construction Co.,
          First Amendment to Asset Purchase Agreement,
          Amendment to Leased Equipment Purchase
          Agreements and Asset Purchase Agreement,
          List of Schedules and Exhibits and Agreement
          to Furnish Schedules and Exhibits.(h)                          x
10.9      Purchase Agreement between the Company and 
          Merrill Lynch & Co., etc., pertaining to an
          offering of 1,600,000 Shares of Common Stock.(k)               x
10.10     Distribution Agreement between the Company
          and Merrill Lynch & Co., etc., pertaining to
          an offering of $150,000,000 Medium-Term
          Notes and Form of Medium Term Note.(l)                         x
10.11     Agreement and Plan of Merger dated as of
          October 30, 1998, between the Company,
          SEMCO Consultants, Inc. and Jimmy C. Foster
          and the Press Release announcing the merger.(m)                x
10.12     Executive Security Agreement.(o)                               x
10.13     Split-Dollar Agreement.(o)                                     x
10.14     Deferred Compensation and Stock Purchase
          Agreement for Outside Directors for 1999.(o)                   x
10.15     Stock Purchase Agreement dated March 15, 1999
          concerning the sale of the stock in SEMCO
          Energy Services, Inc.                             x
11        Statement re computation of per share earnings.   NA           NA
12        Ratio of Earnings to Fixed Charges.               x
15        Letter re unaudited interim financial 
          information.                                      NA           NA
18        Letter re change in accounting principle.         NA           NA
19        Report furnished to security holders.             NA           NA
22        Published report regarding matters submitted 
          to a vote of security holders.                    NA           NA
23        Consent of Independent Public Accountants.        NA           NA
24        Power of Attorney.                                NA           NA
27        Financial Data Schedule.                          x            
99.1      Announcement of agreement to sell
          SEMCO Energy Services, Inc.(n)                                 x
99.2      Announce of dividend policy change.(p)                         x




                                    -33-

Key to Exhibits Incorporated by Reference 

     (a)  Filed with SEMCO Energy, Inc.'s Form 10-K for 1989, dated March 29, 
          1990, File No. 0-8503.
     (b)  Filed with SEMCO Energy, Inc.'s Form 10-K for 1990, dated March 28, 
          1991, File No. 0-8503.
     (c)  Filed with SEMCO Energy, Inc.'s Form 10-K for 1992, dated March 30, 
          1993, File No. 0-8503.
     (d)  Filed with SEMCO Energy, Inc.'s Form 10-Q for the quarter ended 
          June 30, 1994, File No. 0-8503.
     (e)  Filed March 6, 1997 as part of SEMCO Energy, Inc.'s 1997 Proxy 
          Statement, dated March 7, 1997, File No. 0-8503.
     (f)  Filed with SEMCO Energy, Inc.'s Form 10-K for 1996, dated March 27, 
          1997, File No. 0-8503.
     (g)  Filed with SEMCO Energy, Inc.'s Form 10-Q for the quarter ended 
          March 31, 1997, File No. 0-8503.
     (h)  Filed with SEMCO Energy, Inc.'s Form 8-K dated August 13, 1997, 
          File No. 0-8503.
     (i)  Filed with SEMCO Energy, Inc.'s Form 10-Q for the quarter ended 
          September 30, 1997, File No. 0-8503.
     (j)  Filed with SEMCO Energy, Inc.'s Form 10-Q/A for the quarter ended 
          March 31, 1998, File No. 0-8503.
     (k)  Filed with SEMCO Energy, Inc.'s Form 8-K dated August 13, 1998, 
          File No. 0-8503.
     (l)  Filed with SEMCO Energy, Inc.'s Form 8-K dated October 21, 1998, 
          File No. 0-8503.
     (m)  Filed with SEMCO Energy, Inc.'s Form 8-K dated November 5, 1998, 
          File No. 0-8503.
     (n)  Filed with SEMCO Energy, Inc.'s Form 8-K dated March 23, 1999, File 
          No. 0-8503.
     (o)  Filed with SEMCO Energy, Inc.'s Form 10-K for 1998, dated March 26, 
          1999, File No. 0-8503.
     (p)  Filed with SEMCO Energy, Inc.'s Form 8-K dated April 22, 1999, File 
          No. 0-8503.



















                                    -34-