Accounting For Derivative Instruments And Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2011

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

Total Derivatives⁽¹⁾

(millions)	Sep. 30, 2011		Dec. 31, 2010
Current assets	$	1.3	$	2.7
Long-term assets		0.2		0.2
Total assets	$	1.5	$	2.9
Current liabilities	$	29.5	$	27.2
Long-term liabilities		6.0		2.6
Total liabilities	$	35.5	$	29.8

(1) Amounts presented above are on a gross basis, with asset and liability positions netted by counterparty in accordance with accounting standards for derivatives and hedging.

Effect Of Hedging Instruments On OCI And Income

For the three months ended Sep. 30:

(millions)	Amount of Gain/(Loss) on Derivatives Recognized in OCI			Location of Gain/(Loss) Reclassified From AOCI Into Income	Amount of Gain/(Loss) Reclassified From AOCI Into Income
Derivatives in Cash Flow Hedging Relationships	Effective Portion(1)				Effective Portion(1)
2011
Interest rate contracts:	$	0.0		Interest expense	($	0.2	)
Commodity contracts:
Diesel fuel derivatives		(1.3	)	Mining related costs		0.7
Total	$	(1.3	)		$	0.5
2010
Interest rate contracts:	$	0.0		Interest expense	($	0.4	)
Commodity contracts:
Diesel fuel derivatives		0.7		Mining related costs		(0.3	)
Total	$	0.7			$	(0.7	)

(1) Changes in OCI and AOCI are reported in after-tax dollars.

For the nine months ended Sep. 30:

(millions)	Amount of Gain/(Loss) on Derivatives Recognized in OCI			Location of Gain/(Loss) Reclassified From AOCI Into Income	Amount of Gain/(Loss) Reclassified From AOCI Into Income
Derivatives in Cash Flow Hedging Relationships	Effective Portion(1)				Effective Portion(1)
2011
Interest rate contracts:	$	0.0		Interest expense	$	(0.5	)
Commodity contracts:
Diesel fuel derivatives		0.6		Mining related costs		2.0
Total	$	0.6			$	1.5
2010
Interest rate contracts:	$	(0.1	)	Interest expense	$	(1.2	)
Commodity contracts:
Diesel fuel derivatives		(0.2	)	Mining related costs		(0.9	)
Total	$	(0.3	)		$	(2.1	)

(1) Changes in OCI and AOCI are reported in after-tax dollars.

Schedule Of Cash Flow Hedges Included In Accumulated Other Comprehensive Income (Loss)

For the nine months ended Sep. 30:

(millions)	Fair Value Asset/(Liability)			Amount of Gain/(Loss) Recognized in OCI(1)			Amount of Gain/(Loss) Reclassified From AOCI Into Income(1)
2011
Interest rate swaps	$	0.0		$	0.0		$	(0.5	)
Diesel fuel derivatives		0.0			0.6			2.0
Total	$	0.0		$	0.6		$	1.5
2010
Interest rate swaps	$	(0.3	)	$	(0.1	)	$	(1.2	)
Diesel fuel derivatives		0.3			(0.2	)		(0.9	)
Total	$	0.0		$	(0.3	)	$	(2.1	)

(1) Changes in OCI and AOCI are reported in after-tax dollars.

Schedule Of Notional Amounts Of Outstanding Derivative Positions

(millions) Year	Diesel Fuel Contracts (Gallons)				Natural Gas Contracts (MMBTUs)
	Physical		Financial		Physical		Financial
2011		0.0		2.4		0.0		11.6
2012		0.0		2.6		0.0		35.0
2013		0.0		1.8		0.0		5.0
2014		0.0		1.0		0.0		0.0
Total		0.0		7.8		0.0		51.6

Fair Value Of The Overall Contractual Contingent Liability Positions

(millions) At Sep. 30, 2011	Fair Value Asset/ (Liability)			Derivative Exposure Asset/ (Liability)			Posted Collateral
Credit Rating	$	(35.1	)	$	(35.1	)	$	0.0

Designated As Hedging Instrument [Member]

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

	Asset Derivatives			Liability Derivatives
(millions) at Sep. 30, 2011	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Commodity Contracts:
Diesel fuel derivatives:
Current	Derivative assets	$	1.3	Derivative liabilities	$	0.0
Long-term	Derivative assets		0.2	Derivative liabilities		1.5
Natural gas derivatives:
Current	Derivative assets		0.0	Derivative liabilities		29.5
Long-term	Derivative assets		0.0	Derivative liabilities		4.5
Total derivatives designated as hedging instruments		$	1.5		$	35.5

Natural Gas Derivatives [Member]

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

(millions)	Sep. 30, 2011		Dec. 31, 2010
Current assets	$	0.0	$	1.1
Long-term assets		0.0		0.0
Total assets	$	0.0	$	1.1
Current liabilities	$	29.5	$	27.2
Long-term liabilities		4.5		2.6
Total liabilities	$	34.0	$	29.8

Diesel Fuel Derivatives [Member]

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

(millions)	Sep. 30, 2011		Dec. 31, 2010
Current assets	$	1.3	$	1.6
Long-term assets		0.2		0.2
Total assets	$	1.5	$	1.8
Current liabilities	$	0.0	$	0.0
Long-term liabilities		1.5		0.0
Total liabilities	$	1.5	$	0.0

Tampa Electric Co [Member] | Energy Related Derivatives [Member]

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

Energy Related Derivatives

	Asset Derivatives				Liability Derivatives
(millions) at Sep. 30, 2011	Balance Sheet Location(1)		Fair              Value		Balance Sheet Location(1)		Fair              Value
Commodity Contracts:
Natural gas derivatives:
Current		Regulatory liabilities	$	0.0		Regulatory assets	$	29.5
Long-term		Regulatory liabilities		0.0		Regulatory assets		4.5
Total			$	0.0			$	34.0

(1) Natural gas derivatives are deferred in accordance with accounting standards for regulated operations and all increases and decreases in the cost of natural gas supply are passed on to customers with the fuel recovery clause mechanism. As gains and losses are realized in future periods, they will be recorded as fuel costs in the Consolidated Condensed Statements of Income.

Energy Related Derivatives [Member]

Fair Values And Locations Of Derivative Instruments Recorded On The Balance Sheet

Energy Related Derivatives

	Asset Derivatives			Liability Derivatives
(millions) at Sep. 30, 2011	Balance  Sheet Location(1)	Fair Value		Balance  Sheet Location(1)	Fair Value
Commodity Contracts:
Natural gas derivatives:
Current	Regulatory liabilities	$	0.0	Regulatory assets	$	29.5
Long-term	Regulatory liabilities		0.0	Regulatory assets		4.5
Total		$	0.0		$	34.0

(1) Natural gas derivatives are deferred in accordance with accounting standards for regulated operations and all increases and decreases in the cost of natural gas supply are passed on to customers with the fuel recovery clause mechanism. As gains and losses are realized in future periods, they will be recorded as fuel costs in the Consolidated Condensed Statements of Income.

Tampa Electric Co [Member]

Effect Of Hedging Instruments On OCI And Income

(millions)	Location of Loss Reclassified From AOCI Into Income	Amount of Loss Reclassified From AOCI Into Income(1)
Derivatives in Cash Flow Hedging Relationships	Effective Portion(1)	Three months ended Sep. 30:			Nine months ended Sep. 30:
2011
Interest rate contracts:	Interest expense	($	0.2	)	($	0.5	)
Total		($	0.2	)	($	0.5	)
2010
Interest rate contracts:	Interest expense	($	0.2	)	($	0.6	)
Total		($	0.2	)	($	0.6	)

(1) Changes in OCI and AOCI are reported in after-tax dollars.

Derivative Activity For Instruments Classified As Qualifying Cash Flow Hedges

Natural Gas Derivatives

(millions)	Sep.  30, 2011		Dec.  31, 2010
Current assets	$	0.0	$	1.1
Long-term assets		0.0		0.0
Total assets	$	0.0	$	1.1
Current liabilities(1)	$	29.5	$	27.2
Long-term liabilities		4.5		2.6
Total liabilities	$	34.0	$	29.8

(1) Amounts presented above are on a gross basis, with asset and liability positions netted by counterparty in accordance with accounting standards for derivatives and hedging.

Schedule Of Notional Amounts Of Outstanding Derivative Positions

	Natural Gas Contracts
(millions)	(MMBTUs)
Year	Physical		Financial
2011		0.0		11.6
2012		0.0		35.0
2013		0.0		5.0
Total		0.0		51.6

Fair Value Of The Overall Contractual Contingent Liability Positions

(millions) At Sep. 30, 2011	Fair Value Asset/ (Liability)			Derivative Exposure Asset/ (Liability)			Posted Collateral
Credit Rating	$	(34.0	)	$	(34.0	)	$	0.0