Duke Energy Florida 8-K Other Events

Exhibit No. 12

FLORIDA POWER CORPORATION
d/b/a PROGRESS ENERGY FLORIDA, INC.
Computation of Ratio of Earnings to Fixed Charges and
Ratio of Earnings to Fixed Charges and Preferred Dividends Combined
For the Twelve Months Ended March 31

(dollars in millions)	2008		2007
Earnings, as defined:
Net income	$	323	$	336
Fixed charges, as below		200		158
Income taxes		147		190
Total earnings, as defined	$	670	$	684
Fixed Charges, as defined:
Interest on long-term debt	$	166	$	147
Other interest		30		8
Imputed interest factor in rentals — charged principally to operating expenses		4		3
Total fixed charges, as defined		200		158
Preferred dividends, as defined		2		2
Total fixed charges and preferred dividends combined	$	202	$	160
Ratio of Earnings to Fixed Charges		3.35		4.33
Ratio of Earnings to Fixed Charges and Preferred Dividends Combined		3.32		4.28