Exhibit 12.1
DTE ENERGY COMPANY
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND
RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND
RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS
| Six Months Ended | Twelve Months Ended December 31 | |||||||||||||||||||||||
| (Millions of Dollars) | June 30, 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | ||||||||||||||||||
Earnings: | ||||||||||||||||||||||||
| Pretax earnings | $ | 387 | $ | 819 | $ | 1,155 | $ | 536 | $ | 415 | $ | 389 | ||||||||||||
| Adjustments | 7 | (3 | ) | (4 | ) | (4 | ) | 5 | 2 | |||||||||||||||
| Fixed charges | 277 | 540 | 562 | 558 | 546 | 544 | ||||||||||||||||||
Net earnings | $ | 671 | $ | 1,356 | $ | 1,713 | $ | 1,090 | $ | 966 | $ | 935 | ||||||||||||
Fixed charges: | ||||||||||||||||||||||||
| Interest expense | $ | 266 | $ | 503 | $ | 533 | $ | 525 | $ | 518 | $ | 516 | ||||||||||||
| Adjustments | 11 | 37 | 29 | 33 | 28 | 28 | ||||||||||||||||||
Fixed charges | $ | 277 | $ | 540 | $ | 562 | $ | 558 | $ | 546 | $ | 544 | ||||||||||||
| Ratio of earnings to fixed charges and ratios of earnings to combined fixed charges and preferred stock dividends (1) | 2.42 | 2.51 | 3.05 | 1.95 | 1.77 | 1.72 | ||||||||||||||||||
| (1) | DTE Energy had no preferred stock outstanding during the periods indicated; therefore, the ratio of earnings to combined fixed charges and preferred stock dividends is the same as the ratio of earnings to fixed charges for each period. |