Consolidated Balance Sheets - USD ($)
$ in Thousands |
Jun. 30, 2015 |
Dec. 31, 2014 |
| Property plant and equipment |
|
|
| Utility plant—at original cost, net of accumulated depreciation of $4,144,789 at June 30 and $3,991,680 at December 31 |
$ 13,244,298
|
$ 12,899,704
|
| Nonutility property, net of accumulated depreciation of $247,013 at June 30 and $248,341 at December 31 |
113,683
|
129,592
|
| Total property, plant and equipment |
13,357,981
|
13,029,296
|
| Current assets |
|
|
| Cash and cash equivalents |
144,752
|
23,080
|
| Restricted funds |
20,838
|
13,859
|
| Accounts receivable |
281,195
|
267,053
|
| Allowance for uncollectible accounts |
(35,518)
|
(34,941)
|
| Unbilled revenues |
265,347
|
220,538
|
| Income taxes receivable |
3,466
|
2,575
|
| Materials and supplies |
38,332
|
37,190
|
| Deferred income taxes |
130,168
|
86,601
|
| Other |
41,505
|
45,414
|
| Total current assets |
890,085
|
661,369
|
| Regulatory and other long-term assets |
|
|
| Regulatory assets |
1,195,231
|
1,153,429
|
| Restricted funds |
8,723
|
8,958
|
| Goodwill |
1,209,841
|
1,208,043
|
| Other |
70,471
|
69,861
|
| Total regulatory and other long-term assets |
2,484,266
|
2,440,291
|
| TOTAL ASSETS |
16,732,332
|
16,130,956
|
| Capitalization |
|
|
| Common stock ($0.01 par value, 500,000 shares authorized, 180,112 shares outstanding at June 30 and 179,462 at December 31) |
1,801
|
1,795
|
| Paid-in-capital |
6,324,039
|
6,301,729
|
| Accumulated deficit |
(1,162,346)
|
(1,295,549)
|
| Accumulated other comprehensive loss |
(80,053)
|
(81,868)
|
| Treasury stock |
(30,051)
|
(10,516)
|
| Total common stockholders' equity |
5,053,390
|
4,915,591
|
| Long-term debt |
5,433,239
|
5,432,744
|
| Redeemable preferred stock at redemption value |
14,291
|
15,501
|
| Total capitalization |
10,500,920
|
10,363,836
|
| Current liabilities |
|
|
| Short-term debt |
820,982
|
449,959
|
| Current portion of long-term debt |
61,962
|
61,132
|
| Accounts payable |
283,570
|
285,800
|
| Taxes accrued |
41,141
|
24,505
|
| Interest accrued |
55,992
|
56,523
|
| Other |
248,541
|
363,079
|
| Total current liabilities |
1,512,188
|
1,240,998
|
| Regulatory and other long-term liabilities |
|
|
| Advances for construction |
359,498
|
367,693
|
| Deferred income taxes |
2,284,069
|
2,120,739
|
| Deferred investment tax credits |
24,339
|
25,014
|
| Regulatory liabilities |
395,549
|
391,782
|
| Accrued pension expense |
318,647
|
316,368
|
| Accrued postretirement benefit expense |
190,485
|
192,502
|
| Other |
48,027
|
37,152
|
| Total regulatory and other long-term liabilities |
3,620,614
|
3,451,250
|
| Contributions in aid of construction |
$ 1,098,610
|
$ 1,074,872
|
| Commitments and contingencies (See Note 9) |
|
|
| TOTAL CAPITALIZATION AND LIABILITIES |
$ 16,732,332
|
$ 16,130,956
|