XML 51 R29.htm IDEA: XBRL DOCUMENT
v3.24.3

PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION | 9 Months Ended
--- | ---
Sep. 30, 2024
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, 2024 |  | As of December 31, 2023
(Millions of Dollars) |
Distribution - Electric | $ | 20,766.1 |  |  | $ | 19,656.5 |
Distribution - Natural Gas | 8,569.3 |  |  | 8,155.3 |
Transmission - Electric | 15,679.1 |  |  | 14,666.8 |
Distribution - Water | 2,319.2 |  |  | 2,280.1 |
Solar | 201.1 |  |  | 201.1 |
Utility | 47,534.8 |  |  | 44,959.8 |
Other (1) | 2,233.9 |  |  | 2,006.8 |
Property, Plant and Equipment, Gross | 49,768.7 |  |  | 46,966.6 |
Less: Accumulated Depreciation |  |  |
Utility | (10,137.9) |  |  | (9,670.1) |
Other | (1,003.5) |  |  | (869.6) |
Total Accumulated Depreciation | (11,141.4) |  |  | (10,539.7) |
Property, Plant and Equipment, Net | 38,627.3 |  |  | 36,426.9 |
Construction Work in Progress | 3,284.2 |  |  | 3,071.7 |
Total Property, Plant and Equipment, Net | $ | 41,911.5 |  |  | $ | 39,498.6 |
| As of September 30, 2024 |  | As of December 31, 2023
(Millions of Dollars) | CL&P |  | NSTAR Electric |  | PSNH |  | CL&P |  | NSTAR Electric |  | PSNH
Distribution - Electric | $ | 8,336.4 |  |  | $ | 9,558.1 |  |  | $ | 2,911.9 |  |  | $ | 7,897.1 |  |  | $ | 9,000.5 |  |  | $ | 2,799.2 |
Transmission - Electric | 6,804.1 |  |  | 6,183.7 |  |  | 2,692.9 |  |  | 6,548.2 |  |  | 5,630.8 |  |  | 2,489.5 |
Solar | — |  |  | 201.1 |  |  | — |  |  | — |  |  | 201.1 |  |  | — |
Property, Plant and Equipment, Gross | 15,140.5 |  |  | 15,942.9 |  |  | 5,604.8 |  |  | 14,445.3 |  |  | 14,832.4 |  |  | 5,288.7 |
Less: Accumulated Depreciation | (2,874.1) |  |  | (3,719.7) |  |  | (1,014.2) |  |  | (2,670.5) |  |  | (3,585.9) |  |  | (984.0) |
Property, Plant and Equipment, Net | 12,266.4 |  |  | 12,223.2 |  |  | 4,590.6 |  |  | 11,774.8 |  |  | 11,246.5 |  |  | 4,304.7 |
Construction Work in Progress | 563.4 |  |  | 1,404.0 |  |  | 368.3 |  |  | 565.4 |  |  | 1,507.3 |  |  | 270.0 |
Total Property, Plant and Equipment, Net | $ | 12,829.8 |  |  | $ | 13,627.2 |  |  | $ | 4,958.9 |  |  | $ | 12,340.2 |  |  | $ | 12,753.8 |  |  | $ | 4,574.7 |
(1) These assets are primarily comprised of computer software, hardware and equipment at Eversource Service and buildings at The Rocky River Realty Company.

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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/1943274/2147477798/958-360-50-6 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/1943274/2147477798/958-360-50-1 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/1943274/2147477798/958-360-50-7 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration