<ARTICLE>                                          UT
<CIK> 0000040779
<NAME> GPU, INC.
<MULTIPLIER>                                    1,000
<CURRENCY>                                 US DOLLARS

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1999
<PERIOD-START>                            JAN-01-1999
<PERIOD-END>                              DEC-31-1999
<EXCHANGE-RATE>                                     1
<BOOK-VALUE>                                 PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                   8,024,928
<OTHER-PROPERTY-AND-INVEST>                 4,294,049
<TOTAL-CURRENT-ASSETS>                      1,712,895
<TOTAL-DEFERRED-CHARGES>                    7,686,210
<OTHER-ASSETS>                                      0
<TOTAL-ASSETS>                             21,718,082
<COMMON>                                      331,958
<CAPITAL-SURPLUS-PAID-IN>                   1,011,721
<RETAINED-EARNINGS>                         2,420,009  <F1>
<TOTAL-COMMON-STOCKHOLDERS-EQ>              3,464,953  <F2>
<PREFERRED-MANDATORY>                         398,167  <F3>
<PREFERRED>                                    12,649
<LONG-TERM-DEBT-NET>                        5,850,596
<SHORT-TERM-NOTES>                          1,118,269
<LONG-TERM-NOTES-PAYABLE>                           0
<COMMERCIAL-PAPER-OBLIGATIONS>                 53,600
<LONG-TERM-DEBT-CURRENT-PORT>                 581,147
<PREFERRED-STOCK-CURRENT>                           0
<CAPITAL-LEASE-OBLIGATIONS>                     2,154
<LEASES-CURRENT>                               48,165
<OTHER-ITEMS-CAPITAL-AND-LIAB>             10,188,382
<TOT-CAPITALIZATION-AND-LIAB>              21,718,082
<GROSS-OPERATING-REVENUE>                   4,757,124
<INCOME-TAX-EXPENSE>                                0
<OTHER-OPERATING-EXPENSES>                  3,748,294
<TOTAL-OPERATING-EXPENSES>                  3,748,294
<OPERATING-INCOME-LOSS>                     1,008,830
<OTHER-INCOME-NET>                            175,794
<INCOME-BEFORE-INTEREST-EXPEN>              1,184,624
<TOTAL-INTEREST-EXPENSE>                      482,497  <F4>
<NET-INCOME>                                  459,014  <F5>
<PREFERRED-STOCK-DIVIDENDS>                         0
<EARNINGS-AVAILABLE-FOR-COMM>                 459,014
<COMMON-STOCK-DIVIDENDS>                            0
<TOTAL-INTEREST-ON-BONDS>                     175,909
<CASH-FLOW-OPERATIONS>                        151,252
<EPS-BASIC>                                      3.66
<EPS-DILUTED>                                    3.66
<FN>
<F1> INCLUDES ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) OF
<F1> ($6,341).
<F2> INCLUDES REACQUIRED COMMON STOCK OF $298,735.
<F3> INCLUDES AMOUNTS FOR SUBSIDIARY-OBLIGATED MANDATORILY REDEEMABLE
<F3> PREFERRED SECURITIES OF $125,000 AND TRUST PREFERRED
<F3> SECURITIES OF $200,000.
<F4> INCLUDES AMOUNT FOR SUBSIDIARY-OBLIGATED MANDATORILY REDEEMABLE
<F4> PREFERRED SECURITIES OF $24,627, PREFERRED STOCK DIVIDENDS OF
<F4> SUBSIDIARIES OF $8,890, LOSS ON PREFERRED STOCK REACQUISITION
<F4> OF $2,116, AND TRUST PREFERRED SECURITIES OF $8,345.
<F5> INCLUDES MINORITY INTEREST NET (INCOME)/LOSS OF ($3,490) AND
<F5> INCOME TAX EXPENSE OF $239,623.
</FN>