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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES | 12 Months Ended
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Dec. 31, 2024
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES | SCHEDULE II EVERSOURCE ENERGY AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS AND RESERVES FOR THE YEARS ENDED DECEMBER 31, 2024, 2023 AND 2022 (Thousands of Dollars)
Column A | Column B | Column C | Column D | Column E
|  | Additions |  |
|  | (1) | (2) |  |
Description: | Balance as of Beginning of Year | Charged to Costs and Expenses | Charged to Other Accounts - Describe (a) | Deductions -Describe (b) | Balance as of End of Year
Eversource: |  |  |  |  |
Reserves Deducted from Assets - |  |  |  |  |
Reserves for Uncollectible Accounts: |  |  |  |  |
| 2024 | $ | 554,455 |  | $ | 74,069 |  | $ | 119,659 |  | $ | 192,019 |  | $ | 556,164 |
| 2023 | 486,297 |  | 72,468 |  | 158,205 |  | 162,515 |  | 554,455 |
| 2022 | 417,406 |  | 61,876 |  | 112,533 |  | 105,518 |  | 486,297 |
CL&P: |  |  |  |  |
Reserves Deducted from Assets - |  |  |  |  |
Reserves for Uncollectible Accounts: |  |  |  |  |
| 2024 | $ | 296,030 |  | $ | 17,190 |  | $ | 46,840 |  | $ | 80,952 |  | $ | 279,108 |
| 2023 | 225,320 |  | 11,675 |  | 126,360 |  | 67,325 |  | 296,030 |
| 2022 | 181,319 |  | 15,578 |  | 59,485 |  | 31,062 |  | 225,320 |
NSTAR Electric: |  |  |  |  |
Reserves Deducted from Assets - |  |  |  |  |
Reserves for Uncollectible Accounts: |  |  |  |  |
| 2024 | $ | 97,026 |  | $ | 33,607 |  | $ | 37,653 |  | $ | 53,376 |  | $ | 114,910 |
| 2023 | 94,958 |  | 22,791 |  | 17,488 |  | 38,211 |  | 97,026 |
| 2022 | 97,005 |  | 21,550 |  | 12,412 |  | 36,009 |  | 94,958 |
PSNH: |  |  |  |  |
Reserves Deducted from Assets - |  |  |  |  |
Reserves for Uncollectible Accounts: |  |  |  |  |
| 2024 | $ | 14,322 |  | $ | 4,688 |  | $ | 5,131 |  | $ | 10,051 |  | $ | 14,090 |
| 2023 | 29,236 |  | 3,989 |  | (8,735) |  | 10,168 |  | 14,322 |
| 2022 | 24,331 |  | 9,211 |  | 2,539 |  | 6,845 |  | 29,236 |
(a) Amounts relate to uncollectible accounts receivables reserved for that are not charged to bad debt expense. CL&P, NSTAR Electric, NSTAR Gas, EGMA and Yankee Gas are allowed to recover in rates, amounts associated with certain uncollectible hardship accounts receivable. CL&P, NSTAR Electric, PSNH, NSTAR Gas and EGMA are also allowed to recover uncollectible energy supply costs through regulatory tracking mechanisms. (b) Amounts written off, net of recoveries.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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- References No definition available. + Details
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