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INCOME TAXES - Components of Income Tax Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Current Income Taxes: |  |  |
Federal | $ 75,800 | $ 95,800 | $ 21,500
State | 600 | 13,600 | (21,600)
Total Current | 76,400 | 109,400 | (100)
Deferred Income Taxes, Net: |  |  |
Federal | (900) | 198,800 | 199,700
State | 86,300 | 148,000 | 147,400
Total Deferred | 85,405 | 346,779 | 347,056
Investment Tax Credits, Net | (2,100) | (2,600) | (2,800)
Income Tax Expense | 159,684 | 453,574 | 344,223
CL&P |  |  |
Current Income Taxes: |  |  |
Federal | (10,800) | 106,200 | 15,000
State | (2,300) | 20,100 | (7,000)
Total Current | (13,100) | 126,300 | 8,000
Deferred Income Taxes, Net: |  |  |
Federal | 130,300 | 17,200 | 76,300
State | 53,700 | 28,200 | 47,600
Total Deferred | 184,037 | 45,381 | 123,889
Investment Tax Credits, Net | 0 | (500) | (600)
Income Tax Expense | 170,909 | 171,198 | 131,273
NSTAR Electric |  |  |
Current Income Taxes: |  |  |
Federal | 50,700 | 55,000 | 52,300
State | 7,800 | 8,700 | 6,200
Total Current | 58,500 | 63,700 | 58,500
Deferred Income Taxes, Net: |  |  |
Federal | 50,100 | 35,600 | 16,300
State | 46,100 | 42,400 | 41,200
Total Deferred | 96,224 | 78,039 | 57,507
Investment Tax Credits, Net | (1,700) | (1,700) | (1,700)
Income Tax Expense | 152,996 | 139,977 | 114,335
PSNH |  |  |
Current Income Taxes: |  |  |
Federal | (40,000) | 29,600 | 43,100
State | (20,000) | 5,900 | 10,800
Total Current | (60,000) | 35,500 | 53,900
Deferred Income Taxes, Net: |  |  |
Federal | 81,200 | 5,900 | (14,900)
State | 37,800 | 9,900 | 400
Total Deferred | 118,970 | 15,765 | (14,530)
Investment Tax Credits, Net | 0 | 0 | 0
Income Tax Expense | $ 59,014 | $ 51,314 | $ 39,433

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