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PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION
 3 Months Ended
Mar. 31, 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:
EversourceAs of March 31, 2023As of December 31, 2022
(Millions of Dollars)
Distribution - Electric$18,618.6 $18,326.2 
Distribution - Natural Gas7,562.8 7,443.8 
Transmission - Electric13,884.0 13,709.3 
Distribution - Water2,122.5 2,112.6 
Solar 200.8 200.8 
Utility42,388.7 41,792.7 
Other (1)
1,791.7 1,738.1 
Property, Plant and Equipment, Gross44,180.4 43,530.8 
Less:  Accumulated Depreciation  
Utility   (9,317.7)(9,167.4)
Other(744.7)(706.1)
Total Accumulated Depreciation(10,062.4)(9,873.5)
Property, Plant and Equipment, Net34,118.0 33,657.3 
Construction Work in Progress2,626.9 2,455.5 
Total Property, Plant and Equipment, Net$36,744.9 $36,112.8 
 As of March 31, 2023As of December 31, 2022
(Millions of Dollars)CL&PNSTAR
Electric		PSNHCL&PNSTAR
Electric		PSNH
Distribution - Electric$7,510.8 $8,516.7 $2,631.4 $7,370.1 $8,410.0 $2,586.4 
Transmission - Electric6,235.2 5,382.8 2,267.6 6,165.1 5,333.8 2,212.0 
Solar— 200.8 — — 200.8 — 
Property, Plant and Equipment, Gross
13,746.0 14,100.3 4,899.0 13,535.2 13,944.6 4,798.4 
Less:  Accumulated Depreciation
(2,610.4)(3,429.3)(940.0)(2,567.1)(3,381.2)(912.3)
Property, Plant and Equipment, Net
11,135.6 10,671.0 3,959.0 10,968.1 10,563.4 3,886.1 
Construction Work in Progress
494.7 1,148.0 189.0 498.9 1,063.6 174.1 
Total Property, Plant and Equipment, Net
$11,630.3 $11,819.0 $4,148.0 $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.