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v3.25.2

REGULATORY ACCOUNTING (Tables) | 6 Months Ended
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Jun. 30, 2025
Regulated Operations [Abstract] |
Components of Regulatory Assets | The components of regulatory assets were as follows:
| As of June 30, 2025 |  | As of December 31, 2024
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
Storm Costs, Net | $ | 2,003.0 |  |  | $ | 979.8 |  |  | $ | 554.0 |  |  | $ | 469.2 |  |  | $ | 2,039.4 |  |  | $ | 971.1 |  |  | $ | 609.8 |  |  | $ | 458.5 |
Regulatory Tracking Mechanisms | 1,450.0 |  |  | 301.2 |  |  | 648.8 |  |  | 123.8 |  |  | 1,781.6 |  |  | 507.7 |  |  | 650.0 |  |  | 162.8 |
Income Taxes, Net | 991.5 |  |  | 530.1 |  |  | 153.9 |  |  | 20.0 |  |  | 968.4 |  |  | 521.0 |  |  | 145.4 |  |  | 20.7 |
Benefit Costs | 985.8 |  |  | 169.1 |  |  | 304.5 |  |  | 64.8 |  |  | 967.4 |  |  | 168.8 |  |  | 293.6 |  |  | 65.6 |
Securitized Stranded Costs | 327.7 |  |  | — |  |  | — |  |  | 327.7 |  |  | 349.3 |  |  | — |  |  | — |  |  | 349.3 |
Goodwill-related | 238.8 |  |  | — |  |  | 205.0 |  |  | — |  |  | 247.2 |  |  | — |  |  | 212.3 |  |  | — |
Cost of Removal | 232.6 |  |  | — |  |  | 8.3 |  |  | — |  |  | 198.4 |  |  | — |  |  | 8.5 |  |  | — |
Asset Retirement Obligations | 156.4 |  |  | 42.7 |  |  | 81.4 |  |  | 5.3 |  |  | 150.2 |  |  | 41.2 |  |  | 78.3 |  |  | 5.1 |
Derivative Liabilities | 26.3 |  |  | 26.3 |  |  | — |  |  | — |  |  | 57.2 |  |  | 57.2 |  |  | — |  |  | — |
Other Regulatory Assets | 319.8 |  |  | 44.2 |  |  | 100.7 |  |  | 3.3 |  |  | 311.6 |  |  | 58.5 |  |  | 109.2 |  |  | 3.7 |
Total Regulatory Assets | 6,731.9 |  |  | 2,093.4 |  |  | 2,056.6 |  |  | 1,014.1 |  |  | 7,070.7 |  |  | 2,325.5 |  |  | 2,107.1 |  |  | 1,065.7 |
Less: Current Portion | 1,823.4 |  |  | 408.5 |  |  | 900.8 |  |  | 125.5 |  |  | 2,189.7 |  |  | 638.5 |  |  | 902.8 |  |  | 173.3 |
Total Long-Term Regulatory Assets | $ | 4,908.5 |  |  | $ | 1,684.9 |  |  | $ | 1,155.8 |  |  | $ | 888.6 |  |  | $ | 4,881.0 |  |  | $ | 1,687.0 |  |  | $ | 1,204.3 |  |  | $ | 892.4 |
Components of Regulatory Liabilities | The components of regulatory liabilities were as follows:
| As of June 30, 2025 |  | As of December 31, 2024
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
EDIT due to Tax Cuts and Jobs Act of 2017 | $ | 2,422.1 |  |  | $ | 952.6 |  |  | $ | 866.5 |  |  | $ | 326.6 |  |  | $ | 2,442.7 |  |  | $ | 956.6 |  |  | $ | 877.6 |  |  | $ | 330.6 |
Regulatory Tracking Mechanisms | 896.8 |  |  | 289.7 |  |  | 457.2 |  |  | 93.5 |  |  | 702.4 |  |  | 180.3 |  |  | 413.6 |  |  | 114.4 |
Cost of Removal | 717.1 |  |  | 239.6 |  |  | 448.9 |  |  | 28.6 |  |  | 684.1 |  |  | 212.8 |  |  | 451.3 |  |  | 20.1 |
Deferred Portion of Non-Service Income Components of Pension, SERP and PBOP | 468.6 |  |  | 67.2 |  |  | 232.5 |  |  | 45.6 |  |  | 427.1 |  |  | 61.6 |  |  | 211.6 |  |  | 42.6 |
AFUDC - Transmission | 166.8 |  |  | 67.9 |  |  | 98.9 |  |  | — |  |  | 154.8 |  |  | 65.1 |  |  | 89.7 |  |  | — |
Benefit Costs | 58.8 |  |  | 5.2 |  |  | 12.7 |  |  | 4.2 |  |  | 69.3 |  |  | 4.5 |  |  | 21.4 |  |  | 3.9 |
Other Regulatory Liabilities | 181.0 |  |  | 44.0 |  |  | 13.9 |  |  | 8.0 |  |  | 184.5 |  |  | 39.1 |  |  | 14.2 |  |  | 4.5 |
Total Regulatory Liabilities | 4,911.2 |  |  | 1,666.2 |  |  | 2,130.6 |  |  | 506.5 |  |  | 4,664.9 |  |  | 1,520.0 |  |  | 2,079.4 |  |  | 516.1 |
Less: Current Portion | 834.8 |  |  | 237.5 |  |  | 480.2 |  |  | 103.9 |  |  | 632.3 |  |  | 124.1 |  |  | 436.3 |  |  | 121.1 |
Total Long-Term Regulatory Liabilities | $ | 4,076.4 |  |  | $ | 1,428.7 |  |  | $ | 1,650.4 |  |  | $ | 402.6 |  |  | $ | 4,032.6 |  |  | $ | 1,395.9 |  |  | $ | 1,643.1 |  |  | $ | 395.0 |

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