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PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION
 3 Months Ended
Mar. 31, 2026
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, 2026As of December 31, 2025
(Millions of Dollars)
Distribution - Electric$23,108.6 $22,695.3 
Distribution - Natural Gas9,899.0 9,888.0 
Transmission - Electric17,181.8 17,082.4 
Distribution - Water2,608.3 2,577.3 
Solar 206.8 206.8 
Utility53,004.5 52,449.8 
Other (1)
2,532.6 2,476.3 
Property, Plant and Equipment, Gross55,537.1 54,926.1 
Less:  Accumulated Depreciation  
Utility(11,114.0)(10,911.7)
Other(1,303.9)(1,246.1)
Total Accumulated Depreciation(12,417.9)(12,157.8)
Property, Plant and Equipment, Net43,119.2 42,768.3 
Construction Work in Progress3,351.0 3,162.7 
Total Property, Plant and Equipment, Net$46,470.2 $45,931.0 

(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 March 31, 2026As of December 31, 2025
(Millions of Dollars)CL&PNSTAR
Electric		PSNHCL&PNSTAR
Electric		PSNH
Distribution - Electric$9,038.7 $10,870.2 $3,239.9 $8,906.0 $10,635.7 $3,193.8 
Transmission - Electric7,263.7 6,749.2 3,170.6 7,222.5 6,722.9 3,138.7 
Solar— 206.8 — — 206.8 — 
Property, Plant and Equipment, Gross
16,302.4 17,826.2 6,410.5 16,128.5 17,565.4 6,332.5 
Less:  Accumulated Depreciation
(3,140.8)(4,088.0)(1,105.2)(3,081.3)(4,014.2)(1,085.4)
Property, Plant and Equipment, Net
13,161.6 13,738.2 5,305.3 13,047.2 13,551.2 5,247.1 
Construction Work in Progress
606.4 1,831.2 264.4 576.1 1,757.7 260.6 
Total Property, Plant and Equipment, Net
$13,768.0 $15,569.4 $5,569.7 $13,623.3 $15,308.9 $5,507.7