Exhibit 99.2

2Q 2011 Supplemental Financial Information |
Exhibit 99.2
DTE Energy Company
Consolidated Statements Of Financial Position (Unaudited)
Consolidated Statements Of Financial Position (Unaudited)
June 30, | December 31, | |||||||
(in Millions) | 2011 | 2010 | ||||||
ASSETS | ||||||||
Current Assets | ||||||||
Cash and cash equivalents | $ | 61 | $ | 65 | ||||
Restricted cash | 118 | 120 | ||||||
Accounts receivable (less allowance for doubtful accounts of $174 and $196, respectively) | ||||||||
Customer | 1,297 | 1,393 | ||||||
Other | 151 | 402 | ||||||
Inventories | ||||||||
Fuel and gas | 473 | 460 | ||||||
Materials and supplies | 212 | 202 | ||||||
Deferred income taxes | 127 | 139 | ||||||
Derivative assets | 109 | 131 | ||||||
Other | 223 | 255 | ||||||
2,771 | 3,167 | |||||||
Investments | ||||||||
Nuclear decommissioning trust funds | 975 | 939 | ||||||
Other | 526 | 518 | ||||||
1,501 | 1,457 | |||||||
Property | ||||||||
Property, plant and equipment | 22,123 | 21,574 | ||||||
Less accumulated depreciation, depletion and amortization | (8,839 | ) | (8,582 | ) | ||||
13,284 | 12,992 | |||||||
Other Assets | ||||||||
Goodwill | 2,020 | 2,020 | ||||||
Regulatory assets | 3,905 | 4,058 | ||||||
Securitized regulatory assets | 656 | 729 | ||||||
Intangible assets | 71 | 67 | ||||||
Notes receivable | 127 | 123 | ||||||
Derivative assets | 49 | 77 | ||||||
Other | 195 | 206 | ||||||
7,023 | 7,280 | |||||||
Total Assets | $ | 24,579 | $ | 24,896 | ||||
DTEEnergy Company
Consolidated Statements of Financial Position (Unaudited)
Consolidated Statements of Financial Position (Unaudited)
June 30, | December 31, | |||||||
(in Millions, Except Shares) | 2011 | 2010 | ||||||
LIABILITIES AND EQUITY | ||||||||
Current Liabilities | ||||||||
Accounts payable | $ | 733 | $ | 729 | ||||
Accrued interest | 101 | 111 | ||||||
Dividends payable | 199 | 95 | ||||||
Short-term borrowings | 151 | 150 | ||||||
Current portion long-term debt, including capital leases | 326 | 925 | ||||||
Derivative liabilities | 110 | 142 | ||||||
Gas inventory equalization | 109 | — | ||||||
Other | 517 | 597 | ||||||
2,246 | 2,749 | |||||||
Long-Term Debt (net of current portion) | ||||||||
Mortgage bonds, notes and other | 6,622 | 6,114 | ||||||
Securitization bonds | 559 | 643 | ||||||
Trust preferred-linked securities | 289 | 289 | ||||||
Capital lease obligations | 37 | 43 | ||||||
7,507 | 7,089 | |||||||
Other Liabilities | ||||||||
Deferred income taxes | 2,964 | 2,632 | ||||||
Regulatory liabilities | 978 | 1,328 | ||||||
Asset retirement obligations | 1,538 | 1,498 | ||||||
Unamortized investment tax credit | 70 | 75 | ||||||
Derivative liabilities | 74 | 110 | ||||||
Liabilities from transportation and storage contracts | 76 | 83 | ||||||
Accrued pension liability | 680 | 866 | ||||||
Accrued postretirement liability | 1,220 | 1,275 | ||||||
Nuclear decommissioning | 152 | 149 | ||||||
Other | 250 | 275 | ||||||
8,002 | 8,291 | |||||||
Commitments and Contingencies | ||||||||
Equity | ||||||||
Common stock, without par value, 400,000,000 shares authorized, 169,328,889 and 169,428,406 shares issued and outstanding, respectively | 3,415 | 3,440 | ||||||
Retained earnings | 3,516 | 3,431 | ||||||
Accumulated other comprehensive loss | (146 | ) | (149 | ) | ||||
Total DTE Energy Company Equity | 6,785 | 6,722 | ||||||
Noncontrolling interests | 39 | 45 | ||||||
Total Equity | 6,824 | 6,767 | ||||||
Total Liabilities and Equity | $ | 24,579 | $ | 24,896 | ||||
DTEEnergy Company
Consolidated Statements of Cash Flows (Unaudited)
Consolidated Statements of Cash Flows (Unaudited)
Six Months Ended | ||||||||
June 30 | ||||||||
(in Millions) | 2011 | 2010 | ||||||
Operating Activities | ||||||||
Net income | $ | 378 | $ | 317 | ||||
Adjustments to reconcile net income to net cash from operating activities: | ||||||||
Depreciation, depletion and amortization | 493 | 504 | ||||||
Deferred income taxes | 14 | 72 | ||||||
Asset losses, reserves and impairments, net | 8 | 1 | ||||||
Changes in assets and liabilities, exclusive of changes shown separately | 266 | 257 | ||||||
Net cash from operating activities | 1,159 | 1,151 | ||||||
Investing Activities | ||||||||
Plant and equipment expenditures — utility | (684 | ) | (463 | ) | ||||
Plant and equipment expenditures — non-utility | (35 | ) | (52 | ) | ||||
Proceeds from sale of assets, net | 9 | 24 | ||||||
Restricted cash for debt redemption | 2 | 1 | ||||||
Proceeds from sale of nuclear decommissioning trust fund assets | 59 | 128 | ||||||
Investment in nuclear decommissioning trust funds | (76 | ) | (145 | ) | ||||
Consolidation of VIEs | — | 19 | ||||||
Other | (42 | ) | (4 | ) | ||||
Net cash used for investing activities | (767 | ) | (492 | ) | ||||
Financing Activities | ||||||||
Issuance of long-term debt | 547 | — | ||||||
Redemption of long-term debt | (721 | ) | (91 | ) | ||||
Short-term borrowings, net | 1 | (327 | ) | |||||
Issuance of common stock | — | 23 | ||||||
Repurchase of common stock | (18 | ) | — | |||||
Dividends on common stock | (190 | ) | (176 | ) | ||||
Other | (15 | ) | (16 | ) | ||||
Net cash used for financing activities | (396 | ) | (587 | ) | ||||
Net Increase (Decrease) in Cash and Cash Equivalents | (4 | ) | 72 | |||||
Cash and Cash Equivalents at Beginning of Period | 65 | 52 | ||||||
Cash and Cash Equivalents at End of Period | $ | 61 | $ | 124 | ||||
The Detroit Edison Company
Consolidated Statements of Operations (Unaudited)
Consolidated Statements of Operations (Unaudited)
Three Months Ended | Six Months Ended | |||||||||||||||
June 30 | June 30 | |||||||||||||||
(in Millions) | 2011 | 2010 | 2011 | 2010 | ||||||||||||
Operating Revenues | $ | 1,240 | $ | 1,208 | $ | 2,432 | $ | 2,354 | ||||||||
Operating Expenses | ||||||||||||||||
Fuel and purchased power | 417 | 390 | 795 | 733 | ||||||||||||
Operation and maintenance | 331 | 326 | 660 | 635 | ||||||||||||
Depreciation and amortization | 202 | 210 | 404 | 414 | ||||||||||||
Taxes other than income | 60 | 61 | 119 | 126 | ||||||||||||
Asset (gains) and losses, net | (5 | ) | — | 14 | (1 | ) | ||||||||||
1,005 | 987 | 1,992 | 1,907 | |||||||||||||
Operating Income | 235 | 221 | 440 | 447 | ||||||||||||
Other (Income) and Deductions | ||||||||||||||||
Interest expense | 73 | 77 | 144 | 158 | ||||||||||||
Other income | (11 | ) | (9 | ) | (21 | ) | (17 | ) | ||||||||
Other expenses | 6 | 11 | 12 | 17 | ||||||||||||
68 | 79 | 135 | 158 | |||||||||||||
Income Before Income Taxes | 167 | 142 | 305 | 289 | ||||||||||||
Income Tax Provision | 63 | 55 | 116 | 111 | ||||||||||||
Net Income | $ | 104 | $ | 87 | $ | 189 | $ | 178 | ||||||||
MICHIGAN CONSOLIDATED GAS COMPANY
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
Three Months Ended | Six Months Ended | |||||||||||||||
June 30 | June 30 | |||||||||||||||
(in Millions) | 2011 | 2010 | 2011 | 2010 | ||||||||||||
Operating Revenues | $ | 238 | $ | 230 | $ | 918 | $ | 975 | ||||||||
Operating Expenses | ||||||||||||||||
Cost of gas | 92 | 81 | 491 | 539 | ||||||||||||
Operation and maintenance | 102 | 67 | 203 | 175 | ||||||||||||
Depreciation and amortization | 22 | 22 | 44 | 48 | ||||||||||||
Taxes other than income | 14 | 15 | 31 | 31 | ||||||||||||
230 | 185 | 769 | 793 | |||||||||||||
Operating Income | 8 | 45 | 149 | 182 | ||||||||||||
Other (Income) and Deductions | ||||||||||||||||
Interest expense | 15 | 16 | 31 | 33 | ||||||||||||
Interest income | (2 | ) | (2 | ) | (4 | ) | (4 | ) | ||||||||
Other income | (1 | ) | (1 | ) | (3 | ) | (3 | ) | ||||||||
Other expenses | — | 2 | 1 | 3 | ||||||||||||
12 | 15 | 25 | 29 | |||||||||||||
Income (Loss) Before Income Taxes | (4 | ) | 30 | 124 | 153 | |||||||||||
Income Tax Provision (Benefit) | (1 | ) | 11 | 45 | 55 | |||||||||||
Net Income (Loss) | $ | (3 | ) | $ | 19 | $ | 79 | $ | 98 | |||||||

DTE Energy Debt/Equity Calculation
As of June 30, 2011
($ millions)
As of June 30, 2011
($ millions)
Short-term borrowings | $ | 151 | ||
Current portion of long-term debt, including capital leases | 326 | |||
Mortgage bonds, notes and other | 6,622 | |||
Securitization bonds, excluding current portion | 559 | |||
Capital lease obligations | 37 | |||
Other adjustments | 320 | |||
less Securitization bonds, including current portion | (717 | ) | ||
50% Trust preferred-linked securities | 144 | |||
Total debt | 7,442 | |||
50% Trust preferred-linked securities | 144 | |||
Total preferred/ other | 144 | |||
Equity | 6,785 | |||
Total capitalization | $ | 14,371 | ||
Debt | 52 | % | ||
Preferred | 1 | % | ||
Common shareholders’ equity | 47 | % | ||
Total | 100 | % | ||

Sales Analysis — Q2 2011
Electric Sales — Detroit Edison Service Area (GWh)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 3,607 | 3,602 | 0 | % | ||||||||
Commercial | 3,998 | 3,988 | 0 | % | ||||||||
Industrial | 2,405 | 2,605 | -8 | % | ||||||||
Other | 763 | 799 | -5 | % | ||||||||
10,773 | 10,994 | -2 | % | |||||||||
Choice | 1,409 | 1,283 | 10 | % | ||||||||
TOTAL SALES | 12,182 | 12,277 | -1 | % | ||||||||
Gas Sales — MichCon Service Area (MMcf)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 14,131 | 11,245 | 26 | % | ||||||||
Commercial | 3,169 | 2,681 | 18 | % | ||||||||
Industrial | 204 | 112 | 82 | % | ||||||||
17,504 | 14,038 | 25 | % | |||||||||
End User Transportation* | 27,343 | 27,691 | -1 | % | ||||||||
TOTAL SALES | 44,847 | 41,729 | 7 | % | ||||||||
* | Includes choice customers |
Electric Revenue — Detroit Edison Service Area ($000s)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 494,468 | 471,181 | 5 | % | ||||||||
Commercial | 409,267 | 394,886 | 4 | % | ||||||||
Industrial | 169,387 | 174,018 | -3 | % | ||||||||
Other | 49,452 | 44,701 | 11 | % | ||||||||
1,122,574 | 1,084,786 | 3 | % | |||||||||
Choice | 25,477 | 25,002 | 2 | % | ||||||||
TOTAL REVENUES | 1,148,051 | 1,109,788 | 3 | % | ||||||||
Gas Revenue — MichCon Service Area ($000s)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 148,485 | 133,968 | 11 | % | ||||||||
Commercial | 31,449 | 30,511 | 3 | % | ||||||||
Industrial | 1,706 | 1,026 | 66 | % | ||||||||
181,640 | 165,506 | 10 | % | |||||||||
End User Transportation* | 43,183 | 36,122 | 20 | % | ||||||||
TOTAL REVENUES | 224,823 | 201,628 | 12 | % | ||||||||
* | Includes choice customers |
Weather
Cooling Degree Days
Detroit Edison service territory
Detroit Edison service territory
Q2 2011 | Q2 2010 | % Change | ||||||||||
Actuals | 242 | 308 | -21 | % | ||||||||
Normal | 193 | 193 | ||||||||||
Deviation from normal | 25 | % | 60 | % |
Heating Degree Days
MichCon service territory
MichCon service territory
Q2 2011 | Q2 2010 | % Change | ||||||||||
Actuals | 823 | 596 | 38 | % | ||||||||
Normal | 803 | 826 | ||||||||||
Deviation from normal | 2 | % | -28 | % |
Earnings Impact of Weather
Variance from normal weather ($millions, after-tax)
Q2 2011 | Q2 2010 | |||||
MichCon | 1 | (6 | ) | Colder weather increased MichCon’s earnings by $1 million Q2 2011. |

Sales Analysis — YTD June 30, 2011
Electric Sales — Detroit Edison Service Area (GWh)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 7,495 | 7,268 | 3 | % | ||||||||
Commercial | 7,991 | 7,930 | 1 | % | ||||||||
Industrial | 4,747 | 5,080 | -7 | % | ||||||||
Other | 1,561 | 1,600 | -2 | % | ||||||||
21,794 | 21,878 | 0 | % | |||||||||
Choice | 2,711 | 2,386 | 14 | % | ||||||||
TOTAL SALES | 24,505 | 24,264 | 1 | % | ||||||||
Gas Sales — MichCon Service Area (MMcf)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 61,790 | 54,402 | 14 | % | ||||||||
Commercial | 15,673 | 14,755 | 6 | % | ||||||||
Industrial | 503 | 329 | 53 | % | ||||||||
77,966 | 69,486 | 12 | % | |||||||||
End User Transportation* | 79,066 | 71,644 | 10 | % | ||||||||
TOTAL SALES | 157,032 | 141,130 | 11 | % | ||||||||
* | Includes choice customers |
Electric Revenue — Detroit Edison Service Area ($000s)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 1,013,905 | 939,154 | 8 | % | ||||||||
Commercial | 804,973 | 780,056 | 3 | % | ||||||||
Industrial | 333,688 | 334,697 | 0 | % | ||||||||
Other | 98,164 | 90,458 | 9 | % | ||||||||
2,250,730 | 2,144,365 | 5 | % | |||||||||
Choice | 51,511 | 50,731 | 2 | % | ||||||||
TOTAL REVENUES | 2,302,241 | 2,195,096 | 5 | % | ||||||||
Gas Revenue — MichCon Service Area ($000s)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 591,759 | 608,231 | -3 | % | ||||||||
Commercial | 144,820 | 162,408 | -11 | % | ||||||||
Industrial | 4,218 | 3,385 | 25 | % | ||||||||
740,797 | 774,024 | -4 | % | |||||||||
End User Transportation* | 124,415 | 113,115 | 10 | % | ||||||||
TOTAL REVENUES | 865,212 | 887,139 | -2 | % | ||||||||
* | Includes choice customers |
Weather
Cooling Degree Days
Detroit Edison service territory
Detroit Edison service territory
YTD 2011 | YTD 2010 | % Change | ||||||||||
Actuals | 242 | 308 | -21 | % | ||||||||
Normal | 193 | 193 | ||||||||||
Deviation from normal | 25 | % | 60 | % |
Heating Degree Days
MichCon service territory
MichCon service territory
YTD 2011 | YTD 2010 | % Change | ||||||||||
Actuals | 4,274 | 3,636 | 18 | % | ||||||||
Normal | 4,016 | 4,055 | ||||||||||
Deviation from normal | 6 | % | -10 | % |
Earnings Impact of Weather
Variance from normal weather ($millions, after-tax)
Variance from normal weather ($millions, after-tax)
YTD 2011 | YTD 2010 | |||||
MichCon | 9 | (11 | ) | Colder weather increased MichCon’s earnings by $9 million YTD 2011. |

Detroit Edison Temperature Normal Sales Analysis —
June 30, 2011
June 30, 2011
Temperature Normal Electric Sales — Detroit Edison
Service Area (GWh)
Service Area (GWh)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 3,475 | 3,390 | 3 | % | ||||||||
Commercial | 3,954 | 3,909 | 1 | % | ||||||||
Industrial | 2,401 | 2,596 | -8 | % | ||||||||
Other | 763 | 799 | -4 | % | ||||||||
10,593 | 10,693 | -1 | % | |||||||||
Choice | 1,399 | 1,265 | 11 | % | ||||||||
TOTAL SALES | 11,992 | 11,959 | 0 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (Includes Electric Choice) (GWh)
Service Area (Includes Electric Choice) (GWh)
Q2 2011 | Q2 2010 | % Change | ||||||||||
Residential | 3,475 | 3,390 | 3 | % | ||||||||
Commercial | 4,772 | 4,617 | 3 | % | ||||||||
Industrial | 2,982 | 3,153 | -5 | % | ||||||||
Other | 763 | 799 | -4 | % | ||||||||
TOTAL SALES | 11,992 | 11,959 | 0 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (GWh)
Service Area (GWh)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 7,301 | 7,152 | 2 | % | ||||||||
Commercial | 7,947 | 7,858 | 1 | % | ||||||||
Industrial | 4,743 | 5,071 | -6 | % | ||||||||
Other | 1,561 | 1,600 | -2 | % | ||||||||
21,551 | 21,681 | -1 | % | |||||||||
Choice | 2,701 | 2,369 | 14 | % | ||||||||
TOTAL SALES | 24,252 | 24,050 | 1 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (Includes Electric Choice) (GWh)
Service Area (Includes Electric Choice) (GWh)
YTD 2011 | YTD 2010 | % Change | ||||||||||
Residential | 7,302 | 7,152 | 2 | % | ||||||||
Commercial | 9,551 | 9,336 | 2 | % | ||||||||
Industrial | 5,839 | 5,962 | -2 | % | ||||||||
Other | 1,561 | 1,600 | -2 | % | ||||||||
TOTAL SALES | 24,252 | 24,050 | 1 | % | ||||||||