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PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION | 9 Months Ended
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Sep. 30, 2023
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 September 30, 2023 |  | As of December 31, 2022
(Millions of Dollars) |
Distribution - Electric | $ | 19,238.3 |  |  | $ | 18,326.2 |
Distribution - Natural Gas | 7,754.4 |  |  | 7,443.8 |
Transmission - Electric | 14,233.1 |  |  | 13,709.3 |
Distribution - Water | 2,203.6 |  |  | 2,112.6 |
Solar | 200.8 |  |  | 200.8 |
Utility | 43,630.2 |  |  | 41,792.7 |
Other (1) | 1,959.2 |  |  | 1,738.1 |
Property, Plant and Equipment, Gross | 45,589.4 |  |  | 43,530.8 |
Less: Accumulated Depreciation |  |  |
Utility | (9,518.6) |  |  | (9,167.4) |
Other | (823.0) |  |  | (706.1) |
Total Accumulated Depreciation | (10,341.6) |  |  | (9,873.5) |
Property, Plant and Equipment, Net | 35,247.8 |  |  | 33,657.3 |
Construction Work in Progress | 3,270.5 |  |  | 2,455.5 |
Total Property, Plant and Equipment, Net | $ | 38,518.3 |  |  | $ | 36,112.8 |
| As of September 30, 2023 |  | As of December 31, 2022
(Millions of Dollars) | CL&P |  | NSTAR Electric |  | PSNH |  | CL&P |  | NSTAR Electric |  | PSNH
Distribution - Electric | $ | 7,717.0 |  |  | $ | 8,816.5 |  |  | $ | 2,745.1 |  |  | $ | 7,370.1 |  |  | $ | 8,410.0 |  |  | $ | 2,586.4 |
Transmission - Electric | 6,345.8 |  |  | 5,536.6 |  |  | 2,352.4 |  |  | 6,165.1 |  |  | 5,333.8 |  |  | 2,212.0 |
Solar | — |  |  | 200.8 |  |  | — |  |  | — |  |  | 200.8 |  |  | — |
Property, Plant and Equipment, Gross | 14,062.8 |  |  | 14,553.9 |  |  | 5,097.5 |  |  | 13,535.2 |  |  | 13,944.6 |  |  | 4,798.4 |
Less: Accumulated Depreciation | (2,659.0) |  |  | (3,535.5) |  |  | (974.2) |  |  | (2,567.1) |  |  | (3,381.2) |  |  | (912.3) |
Property, Plant and Equipment, Net | 11,403.8 |  |  | 11,018.4 |  |  | 4,123.3 |  |  | 10,968.1 |  |  | 10,563.4 |  |  | 3,886.1 |
Construction Work in Progress | 632.2 |  |  | 1,390.8 |  |  | 309.7 |  |  | 498.9 |  |  | 1,063.6 |  |  | 174.1 |
Total Property, Plant and Equipment, Net | $ | 12,036.0 |  |  | $ | 12,409.2 |  |  | $ | 4,433.0 |  |  | $ | 11,467.0 |  |  | $ | 11,627.0 |  |  | $ | 4,060.2 |
(1) These assets are primarily comprised of computer software, hardware and equipment at Eversource Service and buildings at The Rocky River Realty Company.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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