Exhibit 99.2

Supplemental Financial Information |
DTE Energy Company
Consolidated Statements of Financial Position (Unaudited)
Consolidated Statements of Financial Position (Unaudited)
December 31 | ||||||||
(in Millions) | 2010 | 2009 | ||||||
ASSETS | ||||||||
Current Assets | ||||||||
Cash and cash equivalents | $ | 65 | $ | 52 | ||||
Restricted cash | 120 | 84 | ||||||
Accounts receivable (less allowance for doubtful accounts of $196 and $262, respectively) | ||||||||
Customer | 1,393 | 1,438 | ||||||
Other | 402 | 217 | ||||||
Inventories | ||||||||
Fuel and gas | 460 | 309 | ||||||
Materials and supplies | 202 | 200 | ||||||
Deferred income taxes | 139 | 167 | ||||||
Derivative assets | 131 | 209 | ||||||
Other | 255 | 201 | ||||||
3,167 | 2,877 | |||||||
Investments | ||||||||
Nuclear decommissioning trust funds | 939 | 817 | ||||||
Other | 518 | 598 | ||||||
1,457 | 1,415 | |||||||
Property | ||||||||
Property, plant and equipment | 21,574 | 20,588 | ||||||
Less accumulated depreciation, depletion and amortization | (8,582 | ) | (8,157 | ) | ||||
12,992 | 12,431 | |||||||
Other Assets | ||||||||
Goodwill | 2,020 | 2,024 | ||||||
Regulatory assets | 4,058 | 4,110 | ||||||
Securitized regulatory assets | 729 | 870 | ||||||
Intangible assets | 67 | 54 | ||||||
Notes receivable | 123 | 113 | ||||||
Derivative assets | 77 | 116 | ||||||
Other | 206 | 185 | ||||||
7,280 | 7,472 | |||||||
Total Assets | $ | 24,896 | $ | 24,195 | ||||
DTE Energy Company
Consolidated Statements of Financial Position — (unaudited)
Consolidated Statements of Financial Position — (unaudited)
December 31 | ||||||||
(in Millions, except shares) | 2010 | 2009 | ||||||
LIABILITIES AND EQUITY | ||||||||
Current Liabilities | ||||||||
Accounts payable | $ | 729 | $ | 723 | ||||
Accrued interest | 111 | 114 | ||||||
Dividends payable | 95 | 88 | ||||||
Short-term borrowings | 150 | 327 | ||||||
Current portion long-term debt, including capital leases | 925 | 671 | ||||||
Derivative liabilities | 142 | 220 | ||||||
Other | 597 | 502 | ||||||
2,749 | 2,645 | |||||||
Long-Term Debt (net of current portion) | ||||||||
Mortgage bonds, notes and other | 6,114 | 6,237 | ||||||
Securitization bonds | 643 | 793 | ||||||
Trust preferred-linked securities | 289 | 289 | ||||||
Capital lease obligations | 43 | 51 | ||||||
7,089 | 7,370 | |||||||
Other Liabilities | ||||||||
Deferred income taxes | 2,632 | 2,096 | ||||||
Regulatory liabilities | 1,328 | 1,337 | ||||||
Asset retirement obligations | 1,498 | 1,420 | ||||||
Unamortized investment tax credit | 75 | 85 | ||||||
Derivative liabilities | 110 | 198 | ||||||
Liabilities from transportation and storage contracts | 83 | 96 | ||||||
Accrued pension liability | 866 | 881 | ||||||
Accrued postretirement liability | 1,275 | 1,287 | ||||||
Nuclear decommissioning | 149 | 136 | ||||||
Other | 275 | 328 | ||||||
8,291 | 7,864 | |||||||
Commitments and Contingencies | ||||||||
Equity | ||||||||
Common stock, without par value, 400,000,000 shares authorized, 169,428,406 and 165,400,045 shares issued and outstanding, respectively | 3,440 | 3,257 | ||||||
Retained earnings | 3,431 | 3,168 | ||||||
Accumulated other comprehensive loss | (149 | ) | (147 | ) | ||||
Total DTE Energy Company Shareholders’ Equity | 6,722 | 6,278 | ||||||
Noncontrolling interests | 45 | 38 | ||||||
Total Equity | 6,767 | 6,316 | ||||||
Total Liabilities and Equity | $ | 24,896 | $ | 24,195 | ||||
DTEEnergy Company
Consolidated Statements of Cash Flows (unaudited)
Consolidated Statements of Cash Flows (unaudited)
Year Ended December 31 | ||||||||||||
2010 | 2009 | 2008 | ||||||||||
(in Millions) | ||||||||||||
Operating Activities | ||||||||||||
Net income | $ | 639 | $ | 535 | $ | 553 | ||||||
Adjustments to reconcile net income to net cash from operating activities: | ||||||||||||
Depreciation, depletion and amortization | 1,027 | 1,020 | 899 | |||||||||
Deferred income taxes | 457 | 205 | 348 | |||||||||
Gain on sale of non-utility business | — | — | (128 | ) | ||||||||
Other asset (gains), losses and reserves, net | (5 | ) | (10 | ) | (4 | ) | ||||||
Gain on sale of interests in synfuel projects | — | — | (31 | ) | ||||||||
Contributions from synfuel partners | — | — | 14 | |||||||||
Changes in assets and liabilities, exclusive of changes shown separately | (293 | ) | 69 | (92 | ) | |||||||
Net cash from operating activities | 1,825 | 1,819 | 1,559 | |||||||||
Investing Activities | ||||||||||||
Plant and equipment expenditures — utility | (1,011 | ) | (960 | ) | (1,183 | ) | ||||||
Plant and equipment expenditures — non-utility | (88 | ) | (75 | ) | (190 | ) | ||||||
Proceeds from sale of interests in synfuel projects | — | — | 84 | |||||||||
Refunds to synfuel partners | — | — | (387 | ) | ||||||||
Proceeds from sale of non-utility business | — | — | 253 | |||||||||
Proceeds from sale of other assets, net | 56 | 83 | 25 | |||||||||
Restricted cash for debt redemption | (32 | ) | 2 | 54 | ||||||||
Proceeds from sale of nuclear decommissioning trust fund assets | 377 | 295 | 232 | |||||||||
Investment in nuclear decommissioning trust funds | (410 | ) | (315 | ) | (255 | ) | ||||||
Consolidation of VIEs | 19 | — | — | |||||||||
Investment in Millennium Pipeline Project | (49 | ) | (15 | ) | (31 | ) | ||||||
Other investments | (88 | ) | (79 | ) | (125 | ) | ||||||
Net cash used for investing activities | (1,226 | ) | (1,064 | ) | (1,523 | ) | ||||||
Financing Activities | ||||||||||||
Issuance of long-term debt | 614 | 427 | 1,310 | |||||||||
Redemption of long-term debt | (663 | ) | (486 | ) | (446 | ) | ||||||
Repurchase of long-term debt | — | — | (238 | ) | ||||||||
Short-term borrowings, net | (177 | ) | (417 | ) | (340 | ) | ||||||
Issuance of common stock | 36 | 35 | — | |||||||||
Repurchase of common stock | — | — | (16 | ) | ||||||||
Dividends on common stock | (360 | ) | (348 | ) | (344 | ) | ||||||
Other | (36 | ) | — | (10 | ) | |||||||
Net cash used for financing activities | (586 | ) | (789 | ) | (84 | ) | ||||||
Net Increase (Decrease) in Cash and Cash Equivalents | 13 | (34 | ) | (48 | ) | |||||||
Cash and Cash Equivalents Reclassified from Assets Held for Sale | — | — | 11 | |||||||||
Cash and Cash Equivalents at Beginning of Period | 52 | 86 | 123 | |||||||||
Cash and Cash Equivalents at End of Period | $ | 65 | $ | 52 | $ | 86 | ||||||
The Detroit Edison Company
Consolidated Statements of Operations (unaudited)
Consolidated Statements of Operations (unaudited)
Year Ended December 31 | ||||||||||||
(in Millions) | 2010 | 2009 | 2008 | |||||||||
Operating Revenues | $ | 4,993 | $ | 4,714 | $ | 4,874 | ||||||
Operating Expenses | ||||||||||||
Fuel and purchased power | 1,580 | 1,491 | 1,778 | |||||||||
Operation and maintenance | 1,305 | 1,277 | 1,322 | |||||||||
Depreciation and amortization | 849 | 844 | 743 | |||||||||
Taxes other than income | 237 | 205 | 232 | |||||||||
Asset (gains) losses and reserves, net | (6 | ) | (2 | ) | (1 | ) | ||||||
3,965 | 3,815 | 4,074 | ||||||||||
Operating Income | 1,028 | 899 | 800 | |||||||||
Other (Income) and Deductions | ||||||||||||
Interest expense | 313 | 325 | 293 | |||||||||
Interest income | (1 | ) | (2 | ) | (6 | ) | ||||||
Other income | (39 | ) | (39 | ) | (51 | ) | ||||||
Other expenses | 44 | 11 | 47 | |||||||||
317 | 295 | 283 | ||||||||||
Income Before Income Taxes | 711 | 604 | 517 | |||||||||
Income Tax Provision | 270 | 228 | 186 | |||||||||
Net Income | $ | 441 | $ | 376 | $ | 331 | ||||||
MICHIGAN CONSOLIDATED GAS COMPANY
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)
Year Ended December 31 | ||||||||||||
(in Millions) | 2010 | 2009 | 2008 | |||||||||
Operating Revenues | $ | 1,628 | $ | 1,765 | $ | 2,115 | ||||||
Operating Expenses | ||||||||||||
Cost of gas | 855 | 1,037 | 1,351 | |||||||||
Operation and maintenance | 373 | 411 | 464 | |||||||||
Depreciation and amortization | 92 | 109 | 102 | |||||||||
Taxes other than income | 54 | 48 | 47 | |||||||||
Asset gains, net | — | (30 | ) | (26 | ) | |||||||
1,374 | 1,575 | 1,938 | ||||||||||
Operating Income | 254 | 190 | 177 | |||||||||
Other (Income) and Deductions | ||||||||||||
Interest expense | 66 | 67 | 65 | |||||||||
Interest income | (9 | ) | (8 | ) | (8 | ) | ||||||
Other income | (6 | ) | (8 | ) | (11 | ) | ||||||
Other expenses | 5 | 6 | 13 | |||||||||
56 | 57 | 59 | ||||||||||
Income Before Income Taxes | 198 | 133 | 118 | |||||||||
Income Tax Provision | 68 | 40 | 38 | |||||||||
Net Income | $ | 130 | $ | 93 | $ | 80 | ||||||

DTE Energy Debt/Equity Calculation
As of December 31, 2010
($ millions)
As of December 31, 2010
($ millions)
Short-term borrowings | $ | 150 | ||
Current portion of long-term debt, including capital leases | 925 | |||
Mortgage bonds, notes and other | 6,114 | |||
Securitization bonds, excluding current portion | 643 | |||
Capital lease obligations | 43 | |||
Other adjustments | 58 | |||
less Securitization bonds, including current portion | (793 | ) | ||
50% Trust preferred-linked securities | 144 | |||
Total debt | 7,284 | |||
50% Trust preferred-linked securities | 144 | |||
Total preferred/ other | 144 | |||
Equity | 6,722 | |||
Total capitalization | $ | 14,150 | ||
Debt | 51 | % | ||
Preferred | 1 | % | ||
Common shareholders’ equity | 48 | % | ||
Total | 100 | % | ||

Sales Analysis — Q4 2010
Electric Sales — Detroit Edison Service Area (GWh)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 3,425 | 3,633 | -6 | % | ||||||||
Commercial | 3,910 | 4,436 | -12 | % | ||||||||
Industrial | 2,757 | 2,339 | 18 | % | ||||||||
Other | 812 | 829 | -2 | % | ||||||||
10,904 | 11,237 | -3 | % | |||||||||
Choice | 1,330 | 479 | 178 | % | ||||||||
TOTAL SALES | 12,234 | 11,716 | 4 | % | ||||||||
Electric Revenue — Detroit Edison Service Area ($000s)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 459,698 | 471,479 | -2 | % | ||||||||
Commercial | 389,259 | 423,775 | -8 | % | ||||||||
Industrial | 188,414 | 159,653 | 18 | % | ||||||||
Other | 52,951 | 44,679 | 19 | % | ||||||||
1,090,322 | 1,099,586 | -1 | % | |||||||||
Choice | 27,654 | 11,737 | 136 | % | ||||||||
TOTAL REVENUES | 1,117,976 | 1,111,323 | 1 | % | ||||||||
Gas Sales — MichCon Service Area (MMcf)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 31,083 | 31,877 | -2 | % | ||||||||
Commercial | 7,243 | 7,906 | -8 | % | ||||||||
Industrial | 230 | 752 | -69 | % | ||||||||
38,556 | 40,535 | -5 | % | |||||||||
End User Transportation* | 39,492 | 37,906 | 4 | % | ||||||||
TOTAL SALES | 78,048 | 78,441 | -1 | % | ||||||||
* | Includes choice customers |
Gas Revenue — MichCon Service Area ($000s)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 299,182 | 332,455 | -10 | % | ||||||||
Commercial | 67,998 | 82,616 | -18 | % | ||||||||
Industrial | 1,935 | 7,232 | -73 | % | ||||||||
369,115 | 422,304 | -13 | % | |||||||||
End User Transportation* | 54,075 | 43,091 | 25 | % | ||||||||
TOTAL REVENUES | 423,191 | 465,395 | -9 | % | ||||||||
* | Includes choice customers |
Weather
Cooling Degree Days
Detroit Edison service territory
Detroit Edison service territory
Q4 2010 | Q4 2009 | % Change | ||||||||||
Actuals | 5 | 0 | N/A | |||||||||
Normal | 6 | 6 | ||||||||||
Deviation from normal | -25 | % | -100 | % |
Heating Degree Days
MichCon service territory
MichCon service territory
Q4 2010 | Q4 2009 | % Change | ||||||||||
Actuals | 2,249 | 2,265 | -1 | % | ||||||||
Normal* | 2,206 | 2,350 | ||||||||||
Deviation from normal | 2 | % | -4 | % |
* | Normal is 15 year weather for 2010 and 30 year weather for 2009 |
Earnings Impact of Weather
Variance from normal weather ($millions, after-tax)
Variance from normal weather ($millions, after-tax)
Q4 2010 | Q4 2009 | |||||||
MichCon | — | (3 | ) |

Sales Analysis — YTD December 31, 2010
Electric Sales — Detroit Edison Service Area (GWh)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 15,726 | 14,625 | 8 | % | ||||||||
Commercial | 16,570 | 18,200 | -9 | % | ||||||||
Industrial | 10,195 | 9,922 | 3 | % | ||||||||
Other | 3,210 | 3,229 | -1 | % | ||||||||
45,701 | 45,976 | -1 | % | |||||||||
Choice | 5,005 | 1,477 | 239 | % | ||||||||
TOTAL SALES | 50,706 | 47,453 | 7 | % | ||||||||
Electric Revenue — Detroit Edison Service Area ($000s)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 2,052,608 | 1,819,497 | 13 | % | ||||||||
Commercial | 1,628,757 | 1,702,367 | -4 | % | ||||||||
Industrial | 687,960 | 729,987 | -6 | % | ||||||||
Other | 193,014 | 176,331 | 9 | % | ||||||||
4,562,339 | 4,428,182 | 3 | % | |||||||||
Choice | 106,552 | 39,556 | 169 | % | ||||||||
TOTAL REVENUES | 4,668,891 | 4,467,738 | 5 | % | ||||||||
Gas Sales — MichCon Service Area (MMcf)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 91,543 | 103,264 | -11 | % | ||||||||
Commercial | 23,490 | 29,830 | -21 | % | ||||||||
Industrial | 678 | 1,617 | -58 | % | ||||||||
115,711 | 134,711 | -14 | % | |||||||||
End User Transportation* | 139,605 | 124,472 | 12 | % | ||||||||
TOTAL SALES | 255,316 | 259,183 | -1 | % | ||||||||
* | Includes choice customers |
Gas Revenue — MichCon Service Area ($000s)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 992,342 | 1,072,679 | -7 | % | ||||||||
Commercial | 249,125 | 305,344 | -18 | % | ||||||||
Industrial | 6,412 | 14,756 | -57 | % | ||||||||
1,247,879 | 1,392,779 | -10 | % | |||||||||
End User Transportation* | 196,685 | 146,368 | 34 | % | ||||||||
TOTAL REVENUES | 1,444,564 | 1,539,147 | -6 | % | ||||||||
* | Includes choice customers |
Weather
Cooling Degree Days
Detroit Edison service territory
Detroit Edison service territory
YTD 2010 | YTD 2009 | % Change | ||||||||||
Actuals | 1,071 | 575 | 86 | % | ||||||||
Normal | 736 | 736 | ||||||||||
Deviation from normal | 46 | % | -22 | % |
Heating Degree Days
MichCon service territory
MichCon service territory
YTD 2010 | YTD 2009 | % Change | ||||||||||
Actuals | 6,021 | 6,623 | -9 | % | ||||||||
Normal* | 6,403 | 6,696 | ||||||||||
Deviation from normal | -6 | % | -1 | % |
* | Normal is 15 year weather for 2010 and 30 year weather for 2009 |
Earnings Impact of Weather
Variance from normal weather ($millions, after-tax)
Variance from normal weather ($millions, after-tax)
YTD 2010 | YTD 2009 | |||||||||
MichCon | (17 | ) | (2 | ) Milder weather reduced MichCon’s earnings by $17M during 2010. |

Detroit Edison Temperature Normal Sales Analysis -
December 31, 2010
December 31, 2010
Temperature Normal Electric Sales — Detroit Edison
Service Area (GWh)
Service Area (GWh)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 3,449 | 3,691 | -7 | % | ||||||||
Commercial | 3,911 | 4,459 | -12 | % | ||||||||
Industrial | 2,757 | 2,346 | 18 | % | ||||||||
Other | 812 | 829 | -2 | % | ||||||||
10,929 | 11,326 | -4 | % | |||||||||
Choice | 1,330 | 480 | 177 | % | ||||||||
TOTAL SALES | 12,259 | 11,806 | 4 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (GWh)
Service Area (GWh)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 14,979 | 15,218 | -2 | % | ||||||||
Commercial | 16,293 | 18,381 | -11 | % | ||||||||
Industrial | 10,165 | 9,965 | 2 | % | ||||||||
Other | 3,210 | 3,229 | -1 | % | ||||||||
44,647 | 46,793 | -5 | % | |||||||||
Choice | 4,944 | 1,488 | 232 | % | ||||||||
TOTAL SALES | 49,591 | 48,280 | 3 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (Includes Electric Choice) (GWh)
Service Area (Includes Electric Choice) (GWh)
Q4 2010 | Q4 2009 | % Change | ||||||||||
Residential | 3,449 | 3,692 | -7 | % | ||||||||
Commercial | 4,726 | 4,940 | -4 | % | ||||||||
Industrial | 3,272 | 2,345 | 40 | % | ||||||||
Other | 812 | 829 | -2 | % | ||||||||
TOTAL SALES | 12,259 | 11,806 | 4 | % | ||||||||
Temperature Normal Electric Sales — Detroit Edison
Service Area (Includes Electric Choice) (GWh)
Service Area (Includes Electric Choice) (GWh)
YTD 2010 | YTD 2009 | % Change | ||||||||||
Residential | 14,980 | 15,218 | -2 | % | ||||||||
Commercial | 19,469 | 19,941 | -2 | % | ||||||||
Industrial | 11,933 | 9,893 | 21 | % | ||||||||
Other | 3,210 | 3,229 | -1 | % | ||||||||
TOTAL SALES | 49,591 | 48,280 | 3 | % | ||||||||