Consolidated Condensed Balance Sheets (Unaudited) (USD $) In Millions	Jun. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment
In service	$ 12,413.4	$ 11,590.8
Accumulated depreciation	(3,687.0)	(3,624.0)
Property, Plant and Equipment in Service, Net	8,726.4	7,966.8
Construction work in progress	1,032.9	1,569.9
Leased facilities, net	62.0	64.8
Net Property, Plant and Equipment	9,821.3	9,601.5
Investments
Equity investment in transmission affiliate	341.1	330.5
Other	35.6	45.8
Total Investments	376.7	376.3
Current Assets
Cash and cash equivalents	10.6	24.5
Restricted cash	45.5	8.3
Accounts receivable	344.9	344.6
Accrued revenues	172.4	280.3
Materials, supplies and inventories	339.1	379.1
Regulatory assets	53.0	54.4
Prepayments and other	206.4	239.9
Total Current Assets	1,171.9	1,331.1
Deferred Charges and Other Assets
Regulatory assets	1,055.0	1,090.1
Goodwill	441.9	441.9
Other	209.5	218.9
Total Deferred Charges and Other Assets	1,706.4	1,750.9
Total Assets	13,076.3	13,059.8
Capitalization
Common equity	3,947.6	3,802.1
Preferred stock of subsidiary	30.4	30.4
Long-term debt	4,334.6	3,932.0
Total Capitalization	8,312.6	7,764.5
Current Liabilities
Long-term debt due currently	30.6	473.4
Short-term debt	542.4	657.9
Accounts payable	309.8	315.4
Regulatory liabilities	15.3	15.3
Other	245.6	259.1
Total Current Liabilities	1,143.7	1,721.1
Deferred Credits and Other Liabilities
Regulatory liabilities	931.5	883.8
Deferred income taxes - long term	1,339.8	1,154.8
Deferred revenue, net	781.3	805.5
Pension and other benefit obligations	233.5	353.2
Other	333.9	376.9
Total Deferred Credits and Other Liabilities	3,620.0	3,574.2
Total Capitalization and Liabilities	$ 13,076.3	$ 13,059.8