<ARTICLE> 5
<LEGEND>
Monongahela Power Company
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<EXCHANGE-RATE>                                      1
<CASH>                                           4,216
<SECURITIES>                                         0
<RECEIVABLES>                                  149,499
<ALLOWANCES>                                     4,227
<INVENTORY>                                     38,767
<CURRENT-ASSETS>                               235,288
<PP&E>                                       2,177,978
<DEPRECIATION>                                 968,280
<TOTAL-ASSETS>                               1,630,956
<CURRENT-LIABILITIES>                          216,930
<BONDS>                                        506,418
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     74,000
<COMMON>                                       294,550
<OTHER-SE>                                     249,333
<TOTAL-LIABILITY-AND-EQUITY>                 1,630,956
<SALES>                                        193,477
<TOTAL-REVENUES>                               193,477
<CGS>                                          117,639
<TOTAL-COSTS>                                  146,003
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              10,406
<INCOME-PRETAX>                                 39,174
<INCOME-TAX>                                    14,756
<INCOME-CONTINUING>                             24,418
<DISCONTINUED>                                       0
<EXTRAORDINARY>                               (58,227)
<CHANGES>                                            0
<NET-INCOME>                                  (33,809)
<EPS-BASIC>                                       0.00<F1>
<EPS-DILUTED>                                     0.00<F1>
<FN>
<F1>*All common stock is owned by parent, no EPS required.
</FN>