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v3.20.4

Taxes on Income (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Taxes on income |  |  |
Unrecognized Tax Benefits | $ 0 | $ 0 | $ 0
Deferred tax assets: |  |  |
Regulatory-liability-related | 32,640,000 | 33,080,000 |
Contributions and advances | 6,390,000 | 5,777,000 |
Deferred Tax Assets, Other | 6,092,000 | 5,792,000 |
Deferred tax assets | 45,122,000 | 44,649,000 |
Deferred tax liabilities: |  |  |
Fixed assets | (146,688,000) | (144,444,000) |
Regulatory-asset-related: depreciation and other | (22,205,000) | (20,641,000) |
Balancing and memorandum accounts (non-flow-through) | (7,401,000) | (4,868,000) |
Deferred tax liabilities | (176,294,000) | (169,953,000) |
Accumulated deferred income taxes - net | (131,172,000) | (125,304,000) |
Current |  |  |
Federal | 19,240,000 | 12,507,000 | 17,252,000
State | 6,714,000 | 5,540,000 | 6,538,000
Total current tax expense | 25,954,000 | 18,047,000 | 23,790,000
Deferred |  |  |
Federal | 1,814,000 | 6,407,000 | (4,334,000)
State | 429,000 | 216,000 | (1,439,000)
Total deferred tax (benefit) expense | 2,243,000 | 6,623,000 | (5,773,000)
Reconciliations of the effective tax rates to the federal statutory rate |  |  |
Federal taxes on pretax income at statutory rate (21% in 2018; 35% in 2017 and 2016) | 24,071,000 | 22,872,000 | 17,196,000
Increase (decrease) in taxes resulting from: | 5,764,000 | 4,758,000 | 3,693,000
Excess deferred tax amortization | (1,550,000) | (1,579,000) | (2,101,000)
Flow-through on fixed assets | 1,056,000 | 1,244,000 | 429,000
Flow-through on removal costs | (1,031,000) | (1,582,000) | (1,445,000)
Investment tax credit | (71,000) | (71,000) | (69,000)
Other- net | (42,000) | (972,000) | 314,000
Total income tax expense operations | 28,197,000 | 24,670,000 | 18,017,000
Income before income tax expense | $ 114,622,000 | $ 109,012,000 | $ 81,888,000
Effective income tax rate (as a percent) | 24.60% | 22.60% | 22.00%
GSWC |  |  |
Deferred tax assets: |  |  |
Regulatory-liability-related | $ 30,782,000 | $ 33,080,000 |
Contributions and advances | 6,771,000 | 6,158,000 |
Deferred Tax Assets, Other | 6,663,000 | 6,618,000 |
Deferred tax assets | 44,216,000 | 45,856,000 |
Deferred tax liabilities: |  |  |
Fixed assets | (141,422,000) | (147,759,000) |
Regulatory-asset-related: depreciation and other | (21,060,000) | (20,641,000) |
Balancing and memorandum accounts (non-flow-through) | (6,315,000) | (5,262,000) |
Deferred tax liabilities | (168,797,000) | (173,662,000) |
Accumulated deferred income taxes - net | (124,581,000) | (127,806,000) |
Current |  |  |
Federal | 14,674,000 | 9,616,000 | $ 14,488,000
State | 5,849,000 | 5,480,000 | 5,932,000
Total current tax expense | 20,523,000 | 15,096,000 | 20,420,000
Deferred |  |  |
Federal | 949,000 | 4,924,000 | (5,531,000)
State | 232,000 | 157,000 | (1,286,000)
Total deferred tax (benefit) expense | 1,181,000 | 5,081,000 | (6,817,000)
Reconciliations of the effective tax rates to the federal statutory rate |  |  |
Federal taxes on pretax income at statutory rate (21% in 2018; 35% in 2017 and 2016) | 18,202,000 | 18,236,000 | 12,939,000
Increase (decrease) in taxes resulting from: | 4,920,000 | 4,656,000 | 3,335,000
Excess deferred tax amortization | (1,477,000) | (1,579,000) | (2,101,000)
Flow-through on fixed assets | 1,042,000 | 1,244,000 | 429,000
Flow-through on removal costs | (1,026,000) | (1,582,000) | (1,445,000)
Investment tax credit | (71,000) | (71,000) | (69,000)
Other- net | 114,000 | (727,000) | 515,000
Total income tax expense operations | 21,704,000 | 20,177,000 | 13,603,000
Income before income tax expense | 86,675,000 | 86,840,000 | 61,615,000
Pretax income from operations | $ 86,675,000 | $ 86,840,000 | $ 61,615,000
Effective income tax rate (as a percent) | 25.00% | 23.20% | 22.10%

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