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v3.23.1

REGULATORY ACCOUNTING (Tables) | 3 Months Ended
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Mar. 31, 2023
Regulated Operations [Abstract] |
Components of Regulatory Assets | The components of regulatory assets were as follows:
| As of March 31, 2023 |  | As of December 31, 2022
(Millions of Dollars) | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH |  | Eversource |  | CL&P |  | NSTAR Electric |  | PSNH
Storm Costs, Net | $ | 1,658.7 |  |  | $ | 889.2 |  |  | $ | 564.9 |  |  | $ | 204.6 |  |  | $ | 1,379.1 |  |  | $ | 799.3 |  |  | $ | 484.4 |  |  | $ | 95.4 |
Regulatory Tracking Mechanisms | 1,028.7 |  |  | 228.2 |  |  | 432.4 |  |  | 122.8 |  |  | 1,075.3 |  |  | 216.8 |  |  | 391.5 |  |  | 73.7 |
Benefit Costs | 910.3 |  |  | 155.6 |  |  | 294.4 |  |  | 56.1 |  |  | 921.7 |  |  | 156.7 |  |  | 299.5 |  |  | 56.6 |
Income Taxes, Net | 856.1 |  |  | 492.9 |  |  | 118.1 |  |  | 13.1 |  |  | 853.3 |  |  | 491.1 |  |  | 115.6 |  |  | 16.0 |
Securitized Stranded Costs | 424.9 |  |  | — |  |  | — |  |  | 424.9 |  |  | 435.7 |  |  | — |  |  | — |  |  | 435.7 |
Goodwill-related | 276.7 |  |  | — |  |  | 237.6 |  |  | — |  |  | 281.0 |  |  | — |  |  | 241.2 |  |  | — |
Derivative Liabilities | 168.8 |  |  | 168.8 |  |  | — |  |  | — |  |  | 181.8 |  |  | 181.8 |  |  | — |  |  | — |
Asset Retirement Obligations | 129.2 |  |  | 36.5 |  |  | 68.0 |  |  | 4.5 |  |  | 127.9 |  |  | 35.9 |  |  | 68.2 |  |  | 4.4 |
Other Regulatory Assets | 286.5 |  |  | 25.3 |  |  | 107.9 |  |  | 12.5 |  |  | 322.5 |  |  | 26.2 |  |  | 114.0 |  |  | 14.4 |
Total Regulatory Assets | 5,739.9 |  |  | 1,996.5 |  |  | 1,823.3 |  |  | 838.5 |  |  | 5,578.3 |  |  | 1,907.8 |  |  | 1,714.4 |  |  | 696.2 |
Less: Current Portion | 1,332.0 |  |  | 356.5 |  |  | 559.8 |  |  | 140.9 |  |  | 1,335.5 |  |  | 314.1 |  |  | 492.8 |  |  | 102.2 |
Total Long-Term Regulatory Assets | $ | 4,407.9 |  |  | $ | 1,640.0 |  |  | $ | 1,263.5 |  |  | $ | 697.6 |  |  | $ | 4,242.8 |  |  | $ | 1,593.7 |  |  | $ | 1,221.6 |  |  | $ | 594.0 |
Components of Regulatory Liabilities | The components of regulatory liabilities were as follows:
| As of March 31, 2023 |  | As of December 31, 2022
(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 | $ | 2,601.8 |  |  | $ | 980.0 |  |  | $ | 933.9 |  |  | $ | 346.1 |  |  | $ | 2,619.3 |  |  | $ | 983.6 |  |  | $ | 944.3 |  |  | $ | 348.6 |
Cost of Removal | 705.4 |  |  | 144.2 |  |  | 412.9 |  |  | 20.2 |  |  | 670.6 |  |  | 130.8 |  |  | 405.3 |  |  | 14.7 |
Regulatory Tracking Mechanisms | 653.6 |  |  | 145.0 |  |  | 341.6 |  |  | 73.2 |  |  | 890.8 |  |  | 361.0 |  |  | 336.1 |  |  | 155.0 |
Deferred Portion of Non-Service Income Components of Pension, SERP and PBOP | 291.4 |  |  | 38.3 |  |  | 148.5 |  |  | 30.8 |  |  | 270.9 |  |  | 34.5 |  |  | 139.7 |  |  | 28.8 |
AFUDC - Transmission | 103.8 |  |  | 49.8 |  |  | 54.0 |  |  | — |  |  | 98.2 |  |  | 48.2 |  |  | 50.0 |  |  | — |
Benefit Costs | 49.2 |  |  | 0.6 |  |  | 27.1 |  |  | — |  |  | 55.4 |  |  | 0.7 |  |  | 31.4 |  |  | — |
Other Regulatory Liabilities | 219.7 |  |  | 44.0 |  |  | 14.6 |  |  | 6.6 |  |  | 215.9 |  |  | 40.6 |  |  | 14.5 |  |  | 6.5 |
Total Regulatory Liabilities | 4,624.9 |  |  | 1,401.9 |  |  | 1,932.6 |  |  | 476.9 |  |  | 4,821.1 |  |  | 1,599.4 |  |  | 1,921.3 |  |  | 553.6 |
Less: Current Portion | 650.5 |  |  | 124.6 |  |  | 375.0 |  |  | 86.6 |  |  | 890.8 |  |  | 336.0 |  |  | 373.2 |  |  | 162.0 |
Total Long-Term Regulatory Liabilities | $ | 3,974.4 |  |  | $ | 1,277.3 |  |  | $ | 1,557.6 |  |  | $ | 390.3 |  |  | $ | 3,930.3 |  |  | $ | 1,263.4 |  |  | $ | 1,548.1 |  |  | $ | 391.6 |

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