Mississippi Power (MSPWP) 8-K Other Events

  Exhibit 12.1

MISSISSIPPI POWER COMPANY

Computation of ratio of earnings to fixed charges for

the five years ended December 31, 2011

and the year to date June 30, 2012

												Six
												Months
												Ended
	Year ended December 31,											June 30,
		2007		2008		2009		2010		2011		2012
EARNINGS AS DEFINED IN ITEM 503 OF REGULATION S-K:
Earnings before income taxes	$	137,594,001	$	136,041,069	$	136,913,336	$	128,224,330	$	138,107,611	$	81,786,755
Interest expense, net of amounts capitalized		18,157,804		17,978,728		22,940,331		22,340,879		21,691,360		20,828,330
Interest component of rental expense		30,386,000		31,139,000		30,279,000		30,089,000		24,388,799		1,914,779
AFUDC - Debt funds		11,852		228,997		117,290		2,903,203		8,182,311		12,653,264
Earnings as defined	$	186,149,657	$	185,387,794	$	190,249,957	$	183,557,412	$	192,370,081	$	117,183,128
FIXED CHARGES AS DEFINED IN ITEM 503 OF REGULATION S-K:
Interest on long-term debt	$	12,440,269	$	15,466,831	$	20,620,126	$	21,795,022	$	29,171,448	$	26,913,742
Interest on affiliated loans		4,094,712		729,529		47,222		33,054		14,354		0
Amort of debt disc, premium and expense, net		1,055,246		1,204,115		1,399,277		1,624,020		406,628		704,949
Other interest charges		579,428		807,250		990,996		1,791,985		2,164,264		5,686,035
Interest component of rental expense		30,386,000		31,139,000		30,279,000		30,089,000		24,388,799		1,914,779
Fixed charges as defined	$	48,555,655	$	49,346,725	$	53,336,621	$	55,333,081	$	56,145,493	$	35,219,505
RATIO OF EARNINGS TO FIXED CHARGES		3.83		3.76		3.57		3.32		3.43		3.33

  (a)  Includes the interest component of rentals where determinable plus one-third of remaining rental expense.