Regulatory (Tables)

9 Months Ended

Sep. 30, 2011

Schedule Of Regulatory Assets And Regulatory Liabilities

Regulatory Assets and Liabilities

(millions)	Sep. 30, 2011		Dec. 31, 2010
Regulatory assets:
Regulatory tax asset (1)	$	64.4	$	66.6
Other:
Cost recovery clauses		38.0		41.9
Postretirement benefit asset		228.9		237.5
Deferred bond refinancing costs (2)		12.2		15.4
Environmental remediation		23.2		23.6
Competitive rate adjustment		3.2		3.3
Other		17.1		16.3
Total other regulatory assets		322.6		338.0
Total regulatory assets		387.0		404.6
Less: Current portion		55.8		62.7
Long-term regulatory assets	$	331.2	$	341.9
Regulatory liabilities:
Regulatory tax liability (1)	$	16.7	$	17.7
Other:
Cost recovery clauses		70.7		76.2
Environmental remediation		21.2		21.2
Storm damage reserve		41.5		37.4
Deferred gain on property sales (3)		5.4		6.3
Provision for stipulation and other (4)		0.8		9.8
Accumulated reserve-cost of removal		576.7		572.2
Total other regulatory liabilities		716.3		723.1
Total regulatory liabilities		733.0		740.8
Less: Current portion		95.5		110.0
Long-term regulatory liabilities	$	637.5	$	630.8

(1) Primarily related to plant life and derivative positions.

(2) Amortized over the term of the related debt instruments.

(3) Amortized over a 4 or 5-year period with various ending dates.

(4) Includes a provision to reflect the FPSC-approved PGS stipulation regarding PGS's 2010 earnings above 11.75%. A one-time credit to customer bills totaling $3.0 million was applied in April 2011 and the $6.2 million remaining balance of the 2010 earnings above 11.75% was credited to accumulated depreciation reserves in June 2011.

Regulatory Assets And Related Recovery Periods

Regulatory assets

(millions)	Sep. 30, 2011		Dec 31, 2010
Clause recoverable (1)	$	41.2	$	45.2
Components of rate base (2)		240.9		248.1
Regulatory tax assets (3)		64.4		66.6
Capital structure and other (3)		40.5		44.7
Total	$	387.0	$	404.6

(1) To be recovered through cost recovery clauses approved by the FPSC on a dollar-for-dollar basis in the next year.

(2) Primarily reflects allowed working capital, which is included in rate base and earns a rate of return as permitted by the FPSC.

(3) "Regulatory tax assets" and "Capital structure and other" regulatory assets have a recoverable period longer than a fiscal year and are recognized over the period authorized by the regulatory agency. Also included are unamortized loan costs, which are amortized over the life of the related debt instruments. See footnotes 1 and 2 in the prior table for additional information.

Tampa Electric Co [Member]

Schedule Of Regulatory Assets And Regulatory Liabilities

Regulatory Assets and Liabilities

(millions)	Sep. 30, 2011		Dec. 31, 2010
Regulatory assets:
Regulatory tax asset (1)	$	64.4	$	66.6
Other:
Cost recovery clauses		38.0		41.9
Postretirement benefit asset		228.9		237.5
Deferred bond refinancing costs (2)		12.2		15.4
Environmental remediation		23.2		23.6
Competitive rate adjustment		3.2		3.3
Other		17.1		16.3
Total other regulatory assets		322.6		338.0
Total regulatory assets		387.0		404.6
Less: Current portion		55.8		62.7
Long-term regulatory assets	$	331.2	$	341.9
Regulatory liabilities:
Regulatory tax liability (1)	$	16.7	$	17.7
Other:
Cost recovery clauses		70.7		76.2
Environmental remediation		21.2		21.2
Storm damage reserve		41.5		37.4
Deferred gain on property sales (3)		5.4		6.3
Provision for stipulation and other (4)		0.8		9.8
Accumulated reserve-cost of removal		576.7		572.2
Total other regulatory liabilities		716.3		723.1
Total regulatory liabilities		733.0		740.8
Less: Current portion		95.5		110.0
Long-term regulatory liabilities	$	637.5	$	630.8

(1) Primarily related to plant life and derivative positions.

(2) Amortized over the term of the related debt instruments.

(3) Amortized over a 4 or 5-year period with various ending dates.

(4) Includes a provision to reflect the FPSC-approved PGS stipulation regarding PGS's 2010 earnings above 11.75%. A one-time credit to customer bills totaling $3.0 million was applied in April 2011 and the $6.2 million remaining balance of the 2010 earnings above 11.75% was credited to accumulated depreciation reserves in June 2011.

Regulatory Assets And Related Recovery Periods

Regulatory assets

	Sep. 30,		Dec 31,
(millions)	2011		2010
Clause recoverable (1)	$	41.2	$	45.2
Components of rate base (2)		240.9		248.1
Regulatory tax assets (3)		64.4		66.6
Capital structure and other (3)		40.5		44.7
Total	$	387.0	$	404.6

(1) To be recovered through cost recovery clauses approved by the FPSC on a dollar-for-dollar basis in the next year.

(2) Primarily reflects allowed working capital, which is included in rate base and earns a rate of return as permitted by the FPSC.

(3) "Regulatory tax assets" and "Capital structure and other" regulatory assets have a recoverable period longer than a fiscal year and are recognized over the period authorized by the regulatory agency. Also included are unamortized loan costs, which are amortized over the life of the related debt instruments. See footnotes 1 and 2 in the prior table for additional information.