Consolidated Condensed Statements of Cash Flows (USD $) In Millions	6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
Cash flows from operating activities
Net income	$ 129.3		$ 131.7
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	161.0		154.9
Deferred income taxes	69.0		72.6
Investment tax credits, net	(0.2)		(0.2)
Allowance for funds used during construction	(0.6)		(1.3)
Non-cash stock compensation	4.2		3.4
Gain on sale of business/assets, pretax	(0.3)		(0.6)
Non-cash debt extinguishment, pretax	0		0.9
Equity in earnings of unconsolidated affiliates, net of cash distributions on earnings	0		(1.2)
Deferred recovery clauses	6.3		12.9
Receivables, less allowance for uncollectibles	(2.0)		(70.0)
Inventories	13.8		(36.9)
Prepayments and other current assets	(3.5)		(2.8)
Taxes accrued	22.3		27.2
Interest accrued	4.6		3.9
Accounts payable	(34.6)		39.4
Other	17.5		(6.3)
Cash flows from operating activities	386.8		327.6
Cash flows from investing activities
Capital expenditures	(200.2)		(275.1)
Allowance for funds used during construction	0.6		1.3
Net proceeds from sale of business/assets	2.9		0.9
Net cash increase from consolidation	0	[1]	24.1	[1]
Contributions to unconsolidated affiliates	0		(1.3)
Other investments	14.4		0.8
Cash flows used in investing activities	(182.3)		(249.3)
Cash flows from financing activities
Proceeds from the sale of common stock	5.4		3.0
Proceeds from long-term debt issuance	0		543.5
Repayment of long-term debt/Purchase in lieu of redemption	(144.6)		(507.6)
Dividends	(90.4)		(86.7)
Dividend to noncontrolling interest	(0.6)		(0.7)
Net (decrease) increase in short-term debt	20.0		22.0
Cash flows (used in) financing activities	(210.2)		(26.5)
Net (decrease) increase in cash and cash equivalents	(5.7)		51.8
Cash and cash equivalents at beginning of period	67.5		46.0
Cash and cash equivalents at end of period	61.8		97.8
Tampa Electric Co [Member]
Cash flows from operating activities
Net income	110.6		127.9
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	134.0		129.4
Deferred income taxes	57.5		23.5
Investment tax credits, net	(0.2)		(0.2)
Allowance for funds used during construction	(0.6)		(1.3)
Deferred recovery clauses	6.3		12.9
Receivables, less allowance for uncollectibles	16.0		(59.1)
Inventories	13.9		(41.2)
Prepayments	(2.4)		(1.3)
Taxes accrued	39.3		42.9
Interest accrued	5.2		4.2
Accounts payable	(38.3)		27.9
Gain on sale of assets, pretax	(0.1)		(0.2)
Other	15.2		(4.9)
Cash flows from operating activities	356.4		260.5
Cash flows from investing activities
Capital expenditures	(166.3)		(212.7)
Allowance for funds used during construction	0.6		1.3
Net proceeds from sale of assets	2.6		0
Cash flows used in investing activities	(163.1)		(211.4)
Cash flows from financing activities
Proceeds from the sale of common stock	0		50.0
Repayment of long-term debt/Purchase in lieu of redemption	(75.3)		0
Dividends	(105.8)		(119.2)
Net (decrease) increase in short-term debt	(5.0)		22.0
Cash flows (used in) financing activities	(186.1)		(47.2)
Net (decrease) increase in cash and cash equivalents	7.2		1.9
Cash and cash equivalents at beginning of period	3.7		5.5
Cash and cash equivalents at end of period	$ 10.9		$ 7.4

[1] In accordance with new accounting guidance, effective Jan. 1, 2010, the company reconsolidated $24.1 million in cash and cash equivalents related to two projects in Guatemala.