Clear vision, clear progress.

2015 Integrated Report

Consolidated Balance Sheets
Assets (unaudited)

December 31,
In Thousands 2015 2014
Current Assets
Cash and cash equivalents:
Cash $ 63,497 $ 131,327
Temporary cash investments 1,287,464 1,290,699
Total cash and cash equivalents 1,350,961 1,422,026
Accounts receivable:
Customer 608,491 596,917
Allowance for doubtful accounts (39,895) (35,663)
Other 178,364 220,342
Accrued unbilled revenues 321,940 321,659
Total accounts receivable 1,068,900 1,103,255
Deferred fuel costs 155,140
Accumulated deferred income taxes 27,783
Fuel inventory – at average cost 217,810 205,434
Materials and supplies – at average cost 873,357 918,584
Deferred nuclear refueling outage costs 211,512 214,188
Prepayments and other 344,872 343,223
Total 4,067,412 4,389,633
Other Property and Investments
Investment in affiliates – at equity 4,341 36,234
Decommissioning trust funds 5,349,953 5,370,932
Non-utility property – at cost (less accumulated depreciation) 219,999 213,791
Other 468,704 405,169
Total 6,042,997 6,026,126
Property, Plant, and Equipment
Electric 44,467,159 44,881,419
Property under capital lease 952,465 945,784
Natural gas 392,032 377,565
Construction work in progress 1,456,735 1,425,981
Nuclear fuel 1,345,422 1,542,055
Total Property, Plant, and Equipment 48,613,813 49,172,804
Less – accumulated depreciation and amortization 20,789,452 20,449,858
Property, Plant, and Equipment – Net 27,824,361 28,722,946
Deferred Debits and Other Assets
Regulatory assets:
Regulatory asset for income taxes – net 775,528 836,064
Other regulatory assets (includes securitization property of $714,044 as of December 31, 2015,
and $724,839 as of December 31, 2014) 4,704,796 4,968,553
Deferred fuel costs 238,902 238,102
Goodwill 377,172 377,172
Accumulated deferred income taxes 54,903 48,351
Other 561,610 807,508
Total 6,712,911 7,275,750
Total Assets $ 44,647,681 $ 46,414,455

Consolidated Balance Sheets
Liabilities and Equity (unaudited)

December 31,
In Thousands 2015 2014
Current Liabilities
Currently maturing long-term debt $ 214,374 $ 899,375
Notes payable and commercial paper 494,348 598,407
Accounts payable 1,071,798 1,166,431
Customer deposits 419,407 412,166
Taxes accrued 210,077 128,108
Accumulated deferred income taxes 38,039
Interest accrued 194,565 206,010
Deferred fuel costs 235,986 91,602
Obligations under capital leases 2,709 2,508
Pension and other postretirement liabilities 62,513 57,994
Other 184,181 248,251
Total 3,089,958 3,848,891
Non-Current Liabilties
Accumulated deferred income taxes and taxes accrued 8,306,865 9,133,161
Accumulated deferred investment tax credits 234,300 247,521
Obligations under capital leases 27,001 29,710
Other regulatory liabilities 1,414,898 1,383,609
Decommissioning and asset retirement cost liabilities 4,790,187 4,458,296
Accumulated provisions 460,727 418,128
Pension and other postretirement liabilities 3,187,357 3,638,295
Long-term debt (includes securitization bonds of $774,696 as of December 31, 2015,
and $776,817 as of December 31, 2014) 13,111,556 12,386,710
Other 449,856 557,649
Total 31,982,747 32,253,079
Commitments and Contingencies
Subsidiaries’ preferred stock without sinking fund 318,185 210,760
Equity
Common Shareholders’ Equity:
Common stock, $.01 par value, authorized 500,000,000 shares; issued 254,752,788 shares in 2015 and in 2014 2,548 2,548
Paid-in capital 5,403,758 5,375,353
Retained earnings 9,393,913 10,169,657
Accumulated other comprehensive income (loss) 8,951 (42,307)
Less – treasury stock, at cost (76,363,763 shares in 2015 and 75,512,079 shares in 2014) 5,552,379 5,497,526
Total common shareholders’ equity 9,256,791 10,007,725
Subsidiaries’ preferred stock without sinking fund 94,000
Total 9,256,791 10,101,725
Total Liability and Equity $ 44,647,681 $ 46,414,455