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INCOME TAXES - Components of Income Tax Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Current Income Taxes: |  |  |
Federal | $ 95,800 | $ 21,500 | $ 73,600
State | 13,600 | (21,600) | 19,100
Total Current | 109,400 | (100) | 92,700
Deferred Income Taxes, Net: |  |  |
Federal | 198,800 | 199,700 | 173,500
State | 148,000 | 147,400 | 83,700
Total Deferred | 346,779 | 347,056 | 257,154
Investment Tax Credits, Net | (2,600) | (2,800) | (3,700)
Income Tax Expense | 453,574 | 344,223 | 346,186
CL&P |  |  |
Current Income Taxes: |  |  |
Federal | 106,200 | 15,000 | 12,000
State | 20,100 | (7,000) | (6,100)
Total Current | 126,300 | 8,000 | 5,900
Deferred Income Taxes, Net: |  |  |
Federal | 17,200 | 76,300 | 101,100
State | 28,200 | 47,600 | 43,400
Total Deferred | 45,381 | 123,889 | 144,527
Investment Tax Credits, Net | (500) | (600) | (700)
Income Tax Expense | 171,198 | 131,273 | 149,702
NSTAR Electric |  |  |
Current Income Taxes: |  |  |
Federal | 55,000 | 52,300 | 53,900
State | 8,700 | 6,200 | 6,900
Total Current | 63,700 | 58,500 | 60,800
Deferred Income Taxes, Net: |  |  |
Federal | 35,600 | 16,300 | 33,800
State | 42,400 | 41,200 | 38,800
Total Deferred | 78,039 | 57,507 | 72,595
Investment Tax Credits, Net | (1,700) | (1,700) | (2,600)
Income Tax Expense | 139,977 | 114,335 | 130,828
PSNH |  |  |
Current Income Taxes: |  |  |
Federal | 29,600 | 43,100 | 20,600
State | 5,900 | 10,800 | 3,800
Total Current | 35,500 | 53,900 | 24,400
Deferred Income Taxes, Net: |  |  |
Federal | 5,900 | (14,900) | (1,300)
State | 9,900 | 400 | 8,600
Total Deferred | 15,765 | (14,530) | 7,337
Investment Tax Credits, Net | 0 | 0 | 0
Income Tax Expense | $ 51,314 | $ 39,433 | $ 31,680

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