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INCOME TAXES - Components of Income Tax Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Current Income Taxes: |  |  |
Federal | $ 21,500 | $ 73,600 | $ 56,900
State | (21,600) | 19,100 | 10,500
Total Current | (100) | 92,700 | 67,400
Deferred Income Taxes, Net: |  |  |
Federal | 199,700 | 173,500 | 138,400
State | 147,400 | 83,700 | 71,400
Total Deferred | 347,056 | 257,154 | 209,812
Investment Tax Credits, Net | (2,800) | (3,700) | (3,700)
Income Tax Expense | 344,223 | 346,186 | 273,499
The Connecticut Light and Power Company |  |  |
Current Income Taxes: |  |  |
Federal | 15,000 | 12,000 | 68,400
State | (7,000) | (6,100) | 15,400
Total Current | 8,000 | 5,900 | 83,800
Deferred Income Taxes, Net: |  |  |
Federal | 76,300 | 101,100 | 35,200
State | 47,600 | 43,400 | 18,800
Total Deferred | 123,889 | 144,527 | 54,005
Investment Tax Credits, Net | (600) | (700) | (800)
Income Tax Expense | 131,273 | 149,702 | 136,971
NSTAR Electric Company |  |  |
Current Income Taxes: |  |  |
Federal | 52,300 | 53,900 | 82,600
State | 6,200 | 6,900 | 18,200
Total Current | 58,500 | 60,800 | 100,800
Deferred Income Taxes, Net: |  |  |
Federal | 16,300 | 33,800 | 100
State | 41,200 | 38,800 | 27,000
Total Deferred | 57,507 | 72,595 | 27,107
Investment Tax Credits, Net | (1,700) | (2,600) | (2,600)
Income Tax Expense | 114,335 | 130,828 | 125,313
Public Service Company of New Hampshire |  |  |
Current Income Taxes: |  |  |
Federal | 43,100 | 20,600 | 22,900
State | 10,800 | 3,800 | 2,200
Total Current | 53,900 | 24,400 | 25,100
Deferred Income Taxes, Net: |  |  |
Federal | (14,900) | (1,300) | 5,800
State | 400 | 8,600 | 10,100
Total Deferred | (14,530) | 7,337 | 15,917
Investment Tax Credits, Net | 0 | 0 | 0
Income Tax Expense | $ 39,433 | $ 31,680 | $ 40,975

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