Consolidated Condensed Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 56.0	$ 25.4
Receivables, less allowance for uncollectibles	273.3	299.8
Inventories, at average cost
Derivative assets	0.6	0.0
Regulatory assets	39.4	53.6
Deferred income taxes	73.4	72.8
Prepayments and other current assets	31.5	22.6
Assets held for sale	96.5	109.6
Total current assets	779.2	755.6
Property, plant and equipment
Construction work in progress	648.0	640.0
Other property	14.8	14.5
Property, plant and equipment, at original costs	9,935.1	9,733.9
Accumulated depreciation	(2,693.4)	(2,645.7)
Total property, plant and equipment, net	7,241.7	7,088.2
Other assets
Regulatory assets	343.3	348.5
Goodwill	408.4	408.3
Deferred charges and other assets	65.8	65.8
Assets held for sale	0.0	59.8
Total other assets	817.5	882.4
Total assets	8,838.4	8,726.2
Current liabilities
Long-term debt due within one year	333.3	274.5
Notes payable	85.5	139.0
Accounts payable	258.2	288.6
Customer deposits	179.5	176.2
Regulatory liabilities	49.9	57.0
Derivative liabilities	24.4	36.6
Interest accrued	38.1	39.9
Taxes accrued	46.0	29.9
Other	16.7	16.8
Liabilities associated with assets held for sale	30.2	39.4
Total current liabilities	1,061.8	1,097.9
Other liabilities
Deferred income taxes	573.1	519.2
Investment tax credits	8.8	9.0
Regulatory liabilities	713.2	729.0
Derivative liabilities	1.9	6.1
Deferred credits and other liabilities	341.5	370.9
Liabilities associated with assets held for sale	66.3	65.4
Long-term debt, less amount due within one year	3,518.5	3,354.0
Total other liabilities	$ 5,223.3	$ 5,053.6
Commitments and contingencies (see Note 10)
Capital
Common equity	$ 235.1	$ 234.9
Additional paid in capital	1,885.7	1,875.9
Retained earnings	443.5	479.6
Accumulated other comprehensive loss	(11.0)	(15.7)
Total capital	2,553.3	2,574.7
Long-term debt	3,518.5	3,354.0
Total liabilities and capital	8,838.4	8,726.2
Tampa Electric Company [Member]
Current assets
Cash and cash equivalents	33.9	10.4
Receivables, less allowance for uncollectibles	251.6	227.2
Inventories, at average cost
Taxes receivable from affiliate	0.0	43.3
Regulatory assets	39.3	52.1
Deferred income taxes	21.0	24.8
Prepayments and other current assets	23.6	17.4
Total current assets	568.9	532.6
Property, plant and equipment
Construction work in progress	633.2	624.2
Utility plant in service, at original costs	9,209.3	9,027.9
Accumulated depreciation	(2,668.8)	(2,633.8)
Utility plant in service, net	6,540.5	6,394.1
Other property	8.9	8.6
Total property, plant and equipment, net	6,549.4	6,402.7
Other assets
Unamortized debt expense	18.7	16.8
Regulatory assets	316.9	319.6
Deferred charges and other assets	338.0	339.0
Other	2.4	2.6
Total assets	7,456.3	7,274.3
Current liabilities
Long-term debt due within one year	83.3	83.3
Notes payable	0.0	58.0
Accounts payable	231.4	242.3
Customer deposits	173.7	170.4
Regulatory liabilities	49.5	54.7
Derivative liabilities	24.4	36.6
Interest accrued	19.0	17.0
Taxes accrued	62.2	12.4
Other	10.0	10.0
Total current liabilities	653.5	684.7
Other liabilities
Deferred income taxes	1,240.5	1,209.1
Investment tax credits	8.8	9.0
Regulatory liabilities	604.5	623.4
Derivative liabilities	1.9	6.1
Deferred credits and other liabilities	276.4	299.1
Long-term debt, less amount due within one year	2,179.9	2,013.8
Total other liabilities	$ 2,132.1	$ 2,146.7
Commitments and contingencies (see Note 10)
Capital
Common equity	$ 2,160.4	$ 2,130.4
Retained earnings	334.4	305.8
Accumulated other comprehensive loss	(4.0)	(7.1)
Total capital	2,490.8	2,429.1
Long-term debt	2,179.9	2,013.8
Total capitalization	4,670.7	4,442.9
Total liabilities and capital	7,456.3	7,274.3
Fuel [Member]
Inventories, at average cost
Utility inventories	132.7	96.4
Fuel [Member] | Tampa Electric Company [Member]
Inventories, at average cost
Utility inventories	127.0	85.2
Materials and Supplies [Member]
Inventories, at average cost
Utility inventories	75.8	75.4
Materials and Supplies [Member] | Tampa Electric Company [Member]
Inventories, at average cost
Utility inventories	72.5	72.2
Electric [Member]
Property, plant and equipment
Utility plant in service, at original costs	7,217.1	7,094.8
Electric [Member] | Tampa Electric Company [Member]
Property, plant and equipment
Utility plant in service, at original costs	7,217.1	7,094.8
Gas [Member]
Property, plant and equipment
Utility plant in service, at original costs	2,055.2	1,984.6
Gas [Member] | Tampa Electric Company [Member]
Property, plant and equipment
Utility plant in service, at original costs	$ 1,359.0	$ 1,308.9