Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Estimated Useful Lives of Depreciable Property

Asset	Estimated Useful Lives
Building and improvements		5 - 40 years
Office equipment and furniture		3 - 30 years
Vehicles, mining and other equipment		2 - 15 years
Coal processing facilities		7 - 20 years
Computer software		2 - 5 years

Schedule of Fuel Inventory

Fuel Inventory	Dec. 31,		Dec. 31,
(millions)	2012		2011
Tampa Electric Company		$89.1		$97.9
TECO Coal		34.5		26.5
TECO Guatemala		0.0		12.4
Total		$123.6		$136.8