Overview of TVA

Power System Statistics

At September 30 or for the years ended September 30, as appropriate (in millions)	2006	2005	Percent Change
System input (millions of kilowatt-hours)
System generation
Hydro, including pumped storage	9,961	15,723	(37)
Fossil	99,630	98,404	1
Nuclear	45,313	45,156	<1
Combustion turbine and diesel generators	613	595	3
Green power	19	18	6
Total net generation	155,536	159,896	(3)
Purchased	20,017	16,637	20
Total system input	175,553	176,533	(1)

System output (millions of kilowatt-hours)
Sales
Municipalities and cooperatives	143,343	136,640	5
Industries directly served	30,987	30,872	<1
Federal agencies and other	2,040	3,986	(49)
Total sales	176,370	171,498	3
Other	1,038	1,806	(43)
Change in accounting estimate	(4,707)
Losses	2,852	3,229	(12)
Total system output	175,553	176,533	(1)

Winter net dependable capacity (megawatts)	34,951	33,981	3
System peak load (megawatts) – summer	32,008	31,924	<1
System peak load (megawatts) – winter	27,718	29,278	(5)
Number of employees at September 30	12,600	12,703	(1)
Percent winter dependable capacity by fuel source
Fossil	49%	49%	0
Nuclear	19%	19%	0
Hydro	17%	17%	0
Combustion turbine	15%	15%	0