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PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION
 9 Months Ended
Sep. 30, 2022
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:
EversourceAs of September 30, 2022As of December 31, 2021
(Millions of Dollars)
Distribution - Electric$18,132.2 $17,679.1 
Distribution - Natural Gas7,020.1 6,694.8 
Transmission - Electric13,371.2 12,882.4 
Distribution - Water1,971.1 1,900.9 
Solar 200.9 200.9 
Utility40,695.5 39,358.1 
Other (1)
1,663.4 1,469.5 
Property, Plant and Equipment, Gross42,358.9 40,827.6 
Less:  Accumulated Depreciation  
Utility   (9,070.0)(8,885.2)
Other(672.9)(580.1)
Total Accumulated Depreciation(9,742.9)(9,465.3)
Property, Plant and Equipment, Net32,616.0 31,362.3 
Construction Work in Progress2,413.5 2,015.4 
Total Property, Plant and Equipment, Net$35,029.5 $33,377.7 
 As of September 30, 2022As of December 31, 2021
(Millions of Dollars)CL&PNSTAR
Electric		PSNHCL&PNSTAR
Electric		PSNH
Distribution - Electric$7,297.2 $8,329.1 $2,546.2 $7,117.6 $8,105.5 $2,496.2 
Transmission - Electric6,022.8 5,243.3 2,106.8 5,859.0 5,090.5 1,934.6 
Solar— 200.9 — — 200.9 — 
Property, Plant and Equipment, Gross
13,320.0 13,773.3 4,653.0 12,976.6 13,396.9 4,430.8 
Less:  Accumulated Depreciation
(2,571.5)(3,322.3)(908.2)(2,572.1)(3,227.3)(908.4)
Property, Plant and Equipment, Net
10,748.5 10,451.0 3,744.8 10,404.5 10,169.6 3,522.4 
Construction Work in Progress
478.2 914.2 172.8 399.0 707.0 134.1 
Total Property, Plant and Equipment, Net
$11,226.7 $11,365.2 $3,917.6 $10,803.5 $10,876.6 $3,656.5 

(1)    These assets are primarily comprised of computer software, hardware and equipment at Eversource Service and buildings at The Rocky River Realty Company.