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PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION | 3 Months Ended
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Mar. 31, 2025
Property, Plant and Equipment [Abstract] |
PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION | PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION The following tables summarize property, plant and equipment by asset category:
Eversource | As of March 31, 2025 |  | As of December 31, 2024
(Millions of Dollars) |
Distribution - Electric | $ | 21,467.7 |  |  | $ | 21,144.1 |
Distribution - Natural Gas | 9,131.9 |  |  | 8,922.2 |
Transmission - Electric | 16,303.5 |  |  | 16,130.9 |
Solar | 205.8 |  |  | 201.0 |
Utility | 47,108.9 |  |  | 46,398.2 |
Other (1) | 2,305.8 |  |  | 2,254.1 |
Property, Plant and Equipment, Gross | 49,414.7 |  |  | 48,652.3 |
Less: Accumulated Depreciation |  |  |
Utility | (9,807.5) |  |  | (9,636.5) |
Other | (1,093.9) |  |  | (1,044.1) |
Total Accumulated Depreciation | (10,901.4) |  |  | (10,680.6) |
Property, Plant and Equipment, Net | 38,513.3 |  |  | 37,971.7 |
Construction Work in Progress | 3,136.8 |  |  | 3,014.9 |
Total Property, Plant and Equipment, Net | $ | 41,650.1 |  |  | $ | 40,986.6 |
| As of March 31, 2025 |  | As of December 31, 2024
(Millions of Dollars) | CL&P |  | NSTAR Electric |  | PSNH |  | CL&P |  | NSTAR Electric |  | PSNH
Distribution - Electric | $ | 8,564.9 |  |  | $ | 9,930.9 |  |  | $ | 3,012.2 |  |  | $ | 8,437.9 |  |  | $ | 9,782.3 |  |  | $ | 2,964.2 |
Transmission - Electric | 6,996.7 |  |  | 6,426.4 |  |  | 2,882.1 |  |  | 6,937.7 |  |  | 6,375.2 |  |  | 2,819.6 |
Solar | — |  |  | 205.8 |  |  | — |  |  | — |  |  | 201.0 |  |  | — |
Property, Plant and Equipment, Gross | 15,561.6 |  |  | 16,563.1 |  |  | 5,894.3 |  |  | 15,375.6 |  |  | 16,358.5 |  |  | 5,783.8 |
Less: Accumulated Depreciation | (2,979.9) |  |  | (3,846.7) |  |  | (1,048.1) |  |  | (2,928.0) |  |  | (3,782.0) |  |  | (1,032.3) |
Property, Plant and Equipment, Net | 12,581.7 |  |  | 12,716.4 |  |  | 4,846.2 |  |  | 12,447.6 |  |  | 12,576.5 |  |  | 4,751.5 |
Construction Work in Progress | 557.4 |  |  | 1,635.8 |  |  | 342.2 |  |  | 554.6 |  |  | 1,461.3 |  |  | 338.4 |
Total Property, Plant and Equipment, Net | $ | 13,139.1 |  |  | $ | 14,352.2 |  |  | $ | 5,188.4 |  |  | $ | 13,002.2 |  |  | $ | 14,037.8 |  |  | $ | 5,089.9 |
(1) These assets are primarily comprised of computer software, hardware and equipment at Eversource Service and buildings at The Rocky River Realty Company. As of both March 31, 2025 and December 31, 2024, the property, plant and equipment balance, net of accumulated depreciation, attributable to the Aquarion water distribution business has been reclassified to Assets Held for Sale on the Eversource balance sheets. For further information, see Note 17, “Assets Held for Sale.”

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