Accounting for Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2012

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the derivatives that are designated as cash flow hedges at Dec. 31, 2012 and Dec. 31, 2011:

Total Derivatives
	Dec. 31,		Dec. 31,
(millions)	2012		2011
Current assets		$0.0		$0.9
Long-term assets		0.2		0.0
Total assets		$0.2		$0.9
Current liabilities		$14.6		$58.4
Long-term liabilities		0.6		8.6
Total liabilities		$15.2		$67.0

Effect of Hedging Instruments on OCI and Income

The following table presents the effect of hedging instruments on OCI and income for the years ended Dec. 31: 

(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)
2012
Interest rate contracts:		($4.9	)	Interest expense		($0.8)
Commodity contracts:
Diesel fuel derivatives		0.3		Mining related costs		0.4
Total		($4.6	)			($0.4)
2011
Interest rate contracts:		$0.0		Interest expense		($0.7)
Commodity contracts:
Diesel fuel derivatives		1.2		Mining related costs		2.7
Total		$1.2				$2.0
2010
Interest rate contracts:		$0.0		Interest expense		($1.7)
Commodity contracts:
Diesel fuel derivatives		0.6		Mining related costs		(0.8)
Total		$0.6				($2.5)

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

(millions)	Fair Value Asset/(Liability)			Amount of Gain/(Loss) Recognized in OCI (1)			Amount of Gain/(Loss) Reclassified From AOCI Into Income  (1)
2012
Interest rate swaps		$0.0			($4.9	)		($0.8)
Diesel fuel derivatives		(0.9	)		0.3			0.4
Total		($0.9	)		($4.6	)		($0.4)
2011
Interest rate swaps		$0.0			$0.0			($0.7)
Diesel fuel derivatives		(0.3	)		1.2			2.7
Total		($0.3	)		$1.2			$2.0
2010
Interest rate swaps		$0.0			$0.0			($1.7)
Diesel fuel derivatives		1.8			0.6			(0.8)
Total		$1.8			$0.6			($2.5)

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

Derivative Volumes Expected to Settle

The following table presents by commodity type the company’s derivative volumes that, as of Dec. 31, 2012, are expected to settle during the 2013 and 2014 fiscal years:

	Diesel Fuel Contracts				Natural Gas Contracts
(millions)	(Gallons)				(MMBTUs)
Year	Physical		Financial		Physical		Financial
2013		0.0		3.0		0.0		34.2
2014		0.0		1.5		0.0		6.4
Total		0.0		4.5		0.0		40.6

Fair Value of Overall Contractual Contingent Liability Positions

The table below presents the fair value of the overall contractual contingent liability positions for the company’s derivative activity at Dec. 31, 2012:

Contingent Features
(millions)	Fair Value  Asset/     (Liability)			Derivative  Exposure  Asset/  (Liability)			Posted   Collateral
Credit Rating		($14.9	)		($14.9	)		$0.0

Energy Related Derivatives [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the effect of energy related derivatives on the fuel recovery clause mechanism on the Consolidated Balance Sheets as of Dec. 31, 2012 and 2011:

Energy Related Derivatives
	Asset Derivatives			Liability Derivatives
(millions)	Balance Sheet	Fair		Balance Sheet	Fair
at Dec. 31, 2012	Location (1)	Value		Location (1)	Value
Commodity Contracts:
Natural gas derivatives:
Current	Regulatory liabilities		$0.0	Regulatory assets		$14.1
Long-term	Regulatory liabilities		0.2	Regulatory assets		0.2
Total			$0.2			$14.3
(millions)	Balance Sheet	Fair		Balance Sheet	Fair
at Dec. 31, 2011	Location (1)	Value		Location (1)	Value
Commodity Contracts:
Natural gas derivatives:
Current	Regulatory liabilities		$0.0	Regulatory assets		$58.4
Long-term	Regulatory liabilities		0.0	Regulatory assets		7.4
Total			$0.0			$65.8

    (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 Statements of Income.

Derivatives Designated As Hedging Instruments [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the fair values and locations of derivative instruments recorded on the balance sheet at Dec. 31, 2012 and 2011:

Derivatives Designated As Hedging Instruments
	Asset Derivatives			Liability Derivatives
(millions)	Balance Sheet	Fair		Balance Sheet	Fair
at Dec. 31, 2012	Location	Value		Location	Value
Commodity Contracts:
Diesel fuel derivatives:
Current	Derivative assets		$0.0	Derivative liabilities		$0.5
Long-term	Derivative assets		0.0	Derivative liabilities		0.4
Natural gas derivatives:
Current	Derivative assets		0.0	Derivative liabilities		14.1
Long-term	Derivative assets		0.2	Derivative liabilities		0.2
Total derivatives designated as hedging instruments			$0.2			$15.2
	Asset Derivatives			Liability Derivatives
(millions)	Balance Sheet	Fair		Balance Sheet	Fair
at Dec. 31, 2011	Location	Value		Location	Value
Commodity Contracts:
Diesel fuel derivatives:
Current	Derivative assets		$0.9	Derivative liabilities		$0.0
Long-term	Derivative assets		0.0	Derivative liabilities		1.2
Natural gas derivatives:
Current	Derivative assets		0.0	Derivative liabilities		58.4
Long-term	Derivative assets		0.0	Derivative liabilities		7.4
Total derivatives designated as hedging instruments			$0.9			$67.0

Diesel Fuel Derivatives [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the derivative cash flow hedges of diesel fuel contracts at Dec. 31, 2012 and 2011 to limit the exposure to changes in the market price for diesel fuel:

Diesel Fuel Derivatives
	Dec. 31,		Dec. 31,
(millions)	2012		2011
Current assets		$0.0		$0.9
Long-term assets		0.0		0.0
Total assets		$0.0		$0.9
Current liabilities		$0.5		$0.0
Long-term liabilities		0.4		1.2
Total liabilities		$0.9		$1.2

Natural Gas Derivatives [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the derivative hedges of natural gas contracts at Dec. 31, 2012 and 2011 to limit the exposure to changes in market price for natural gas used to produce energy and natural gas purchased for resale to customers:

Natural Gas Derivatives (1)
	Dec. 31,		Dec. 31,
(millions)	2012		2011
Current assets		$0.0		$0.0
Long-term assets		0.2		0.0
Total assets		$0.2		$0.0
Current liabilities		$14.1		$58.4
Long-term liabilities		0.2		7.4
Total liabilities		$14.3		$65.8

(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.

TAMPA ELECTRIC CO [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the effect of energy related derivatives on the fuel recovery clause mechanism on the Consolidated Balance Sheets as of Dec. 31, 2012 and 2011:

Energy Related Derivatives
	Asset Derivatives			Liability Derivatives
(millions)	Balance Sheet	Fair		Balance Sheet	Fair
at Dec. 31, 2012	Location (1)	Value		Location (1)	Value
Commodity Contracts:
Natural gas derivatives:
Current	Regulatory liabilities		$0.0	Regulatory assets		$14.1
Long-term	Regulatory liabilities		0.2	Regulatory assets		0.2
Total			$0.2			$14.3
(millions)	Balance Sheet		Fair	Balance Sheet		Fair
at Dec. 31, 2011	Location (1)		Value	Location (1)		Value
Commodity Contracts:
Natural gas derivatives:
Current	Regulatory liabilities		$0.0	Regulatory assets		$58.4
Long-term	Regulatory liabilities		0.0	Regulatory assets		7.4
Total			$0.0			$65.8

(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 Statements of Income.

Effect of Hedging Instruments on OCI and Income

The following table presents the effect of hedging instruments on OCI and income for the years ended Dec. 31, 2012 2011 and 2010:

(millions)	Location of Gain/(Loss) Reclassified From AOCI Into Income	Amount of Gain/(Loss) Reclassified   From AOCI Into Income
For the years ended Dec. 31:		2012	2011	2010
Derivatives in Cash Flow Hedging Relationships	Effective Portion (1)
Interest rate contracts:	Interest expense	($0.8)	($0.7)	($0.8)
Total		($0.8)	($0.7)	($0.8)

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

Derivative Volumes Expected to Settle

The following table presents by commodity type TEC’s derivative volumes that, as of Dec. 31, 2012, are expected to settle during the 2013 and 2014 fiscal years:

(millions)	Natural Gas Contracts (MMBTUs)
Year	Physical		Financial
2013		0.0		34.2
2014		0.0		6.4
Total		0.0		40.6

Fair Value of Overall Contractual Contingent Liability Positions

The table below presents the fair value of the overall contractual contingent liability positions for TEC’s derivative activity at Dec. 31, 2012:

Contingent Features
(millions)	Fair Value Asset/ (Liability)			Derivative Exposure Asset/ (Liability)			Posted   Collateral
Credit Rating		($14.1	)		($14.1	)		$0.0

TAMPA ELECTRIC CO [Member] | Natural Gas Derivatives [Member]

Fair Values and Locations of Derivative Instruments Recorded on Balance Sheet

The following table presents the derivative cash flow hedges of natural gas contracts at Dec. 31, 2012 and Dec. 31, 2011 to limit the exposure to changes in market price for natural gas used to produce energy and natural gas purchased for resale to customers:

Natural Gas Derivatives (1)
(millions)	Dec. 31, 2012		Dec. 31,    2011
Current assets		$0.0		$0.0
Long-term assets		0.2		0.0
Total assets		$0.2		$0.0
Current liabilities		$14.1		$58.4
Long-term liabilities		0.2		7.4
Total liabilities		$14.3		$65.8

(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.