BALANCE SHEETS - USD ($)
$ in Thousands |
9 Months Ended |
|
Sep. 30, 2020 |
Dec. 31, 2019 |
| Document Fiscal Year Focus |
2020
|
|
| Property, plant and equipment |
|
|
| Property, plant and equipment |
$ 6,735,032
|
$ 6,433,119
|
| Accumulated depreciation and amortization |
1,955,200
|
1,867,893
|
| Net property, plant and equipment |
4,779,832
|
4,565,226
|
| Current assets |
|
|
| Cash and cash equivalents |
6,184
|
17,853
|
| Accounts receivable, net |
106,777
|
260,012
|
| Materials and supplies |
55,492
|
55,732
|
| Natural gas in storage |
105,377
|
104,259
|
| Regulatory assets |
71,748
|
47,440
|
| Other current assets |
24,126
|
20,906
|
| Total current assets |
369,704
|
506,202
|
| Goodwill and other assets |
|
|
| Regulatory assets |
364,117
|
391,036
|
| Goodwill |
157,953
|
157,953
|
| Other assets |
92,158
|
87,883
|
| Total goodwill and other assets |
614,228
|
636,872
|
| Total assets |
5,763,764
|
5,708,300
|
| Equity and long-term debt |
|
|
| Common stock, $0.01 par value: authorized 250,000,000 shares; issued and outstanding 52,920,530 shares at June 30, 2020; issued and outstanding 52,771,749 shares at December 31, 2019 |
531
|
528
|
| Paid-in Capital |
1,751,350
|
1,733,092
|
| Retained earnings |
454,205
|
402,509
|
| Accumulated other comprehensive loss |
(6,069)
|
(6,739)
|
| Total equity |
2,200,017
|
2,129,390
|
| Long-term debt, excluding current maturities and net issuance costs of $13,540 and $10,936, respectively |
1,582,193
|
1,286,064
|
| Total equity and long-term debt |
3,782,210
|
3,415,454
|
| Commercial Paper |
308,000
|
516,500
|
| Current liabilities |
|
|
| Accounts payable |
65,311
|
120,490
|
| Accrued taxes other than income |
57,732
|
47,956
|
| Regulatory Liability, Current |
20,454
|
45,201
|
| Customer deposits |
55,319
|
57,987
|
| Other current liabilities |
68,898
|
84,603
|
| Total current liabilities |
575,714
|
872,737
|
| Deferred credits and other liabilities |
|
|
| Deferred income taxes |
642,309
|
682,632
|
| Regulatory Liability, Noncurrent |
555,258
|
503,518
|
| Employee benefit obligations |
98,257
|
115,657
|
| Other deferred credits |
110,016
|
118,302
|
| Total deferred credits and other liabilities |
1,405,840
|
1,420,109
|
| Commitments and contingencies |
|
|
| Total liabilities and equity |
$ 5,763,764
|
$ 5,708,300
|
| Common stock, par value per share |
$ 0.01
|
$ 0.01
|
| Over-recovered purchased-gas costs [Member] |
|
|
| Current liabilities |
|
|
| Regulatory Liability, Current |
$ 20,454
|
$ 27,623
|
| Deferred credits and other liabilities |
|
|
| Regulatory Liability, Noncurrent |
$ 0
|
$ 0
|