EXHIBIT 12-1

MICHIGAN CONSOLIDATED GAS COMPANY AND SUBSIDIARIES
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(THOUSANDS OF DOLLARS)

                           
Twelve Months Ended Twelve Months Ended Twelve Months Ended



March 31, 2000 December 31, 1999 December 31, 1998



EARNINGS AS DEFINED (1)
Net Income $ 138,037 $ 162,389 $ 114,619
Fixed charges 60,771 59,340 61,304



Earnings as defined $ 198,808 $ 221,729 $ 175,923



FIXED CHARGES AS DEFINED (1)
Interest on long-term debt $ 49,310 $ 48,455 $ 47,091
Interest on other borrowed funds 8,980 8,626 12,113
Amortization of debt discounts, premium and expense 1,199 1,144 955
Interest implicit in rentals (2) 1,282 1,115 1,145



Fixed charges as defined $ 60,771 $ 59,340 $ 61,304



Ratio of Earnings to Fixed Charges 3.27 3.74 2.87




     
Notes:    
(1)   Earnings and fixed charges are defined and computed in accordance with Item 503 of Regulation S-K.
(2)   This amount is estimated to be a reasonable approximation of the interest portion of rentals.

MichCon is a guarantor of certain other debt. Fixed charges related to such debt are deemed to be immaterial and therefore have been excluded from the above ratios.