<ARTICLE> UT <MULTIPLIER> 1,000,000 <CIK> 0000037637 <NAME> FLORIDA POWER CORPORATION <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-END> JUN-30-1997 <PERIOD-TYPE> 6-MOS <BOOK-VALUE> PER-BOOK <TOTAL-NET-UTILITY-PLANT> 3,524 <OTHER-PROPERTY-AND-INVEST> 245 <TOTAL-CURRENT-ASSETS> 510 <TOTAL-DEFERRED-CHARGES> 0 <OTHER-ASSETS> 83 <TOTAL-ASSETS> 4,362 <COMMON> 1,004 <CAPITAL-SURPLUS-PAID-IN> 0 <RETAINED-EARNINGS> 722 <TOTAL-COMMON-STOCKHOLDERS-EQ> 1,726 <PREFERRED-MANDATORY> 0 <PREFERRED> 34 <LONG-TERM-DEBT-NET> 1,296 <SHORT-TERM-NOTES> 0 <LONG-TERM-NOTES-PAYABLE> 0 <COMMERCIAL-PAPER-OBLIGATIONS> 94 <LONG-TERM-DEBT-CURRENT-PORT> 1 <PREFERRED-STOCK-CURRENT> 0 <CAPITAL-LEASE-OBLIGATIONS> 0 <LEASES-CURRENT> 0 <OTHER-ITEMS-CAPITAL-AND-LIAB> 1,211 <TOT-CAPITALIZATION-AND-LIAB> 4,362 <GROSS-OPERATING-REVENUE> 1,151 <INCOME-TAX-EXPENSE> (9) <OTHER-OPERATING-EXPENSES> 1,114 <TOTAL-OPERATING-EXPENSES> 1,105 <OPERATING-INCOME-LOSS> 46 <OTHER-INCOME-NET> 2 <INCOME-BEFORE-INTEREST-EXPEN> 48 <TOTAL-INTEREST-EXPENSE> 49 <NET-INCOME> (1) <PREFERRED-STOCK-DIVIDENDS> 1 <EARNINGS-AVAILABLE-FOR-COMM> (2) <COMMON-STOCK-DIVIDENDS> 96 <TOTAL-INTEREST-ON-BONDS> 0 <CASH-FLOW-OPERATIONS> 203 <EPS-PRIMARY> 0.00 <EPS-DILUTED> 0.00