v3.26.1
PROPERTY, PLANT AND EQUIPMENT AND ACCUMULATED DEPRECIATION (Tables)
6 Months Ended
Jun. 30, 2026
Property, Plant, and Equipment [Abstract]  
Schedule of Property, Plant, and Equipment
The following tables summarize property, plant and equipment by asset category:
EversourceAs of June 30, 2026As of December 31, 2025
(Millions of Dollars)
Distribution - Electric$23,536.1 $22,695.3 
Distribution - Natural Gas9,980.2 9,888.0 
Transmission - Electric17,283.3 17,082.4 
Distribution - Water (1)
— 2,577.3 
Solar 206.8 206.8 
Utility51,006.4 52,449.8 
Other (2)
2,655.4 2,476.3 
Property, Plant and Equipment, Gross53,661.8 54,926.1 
Less:  Accumulated Depreciation
Utility(10,502.9)(10,911.7)
Other(1,386.7)(1,246.1)
Total Accumulated Depreciation(11,889.6)(12,157.8)
Property, Plant and Equipment, Net41,772.2 42,768.3 
Construction Work in Progress3,498.4 3,162.7 
Total Property, Plant and Equipment, Net$45,270.6 $45,931.0 

(1)    On June 30, 2026, Eversource completed the sale of Aquarion. For further information, see Note 17, "Sale of Aquarion Water Distribution Business."

(2)    These assets are primarily comprised of computer software, hardware and equipment at Eversource Service and buildings at The Rocky River Realty Company.
As of June 30, 2026As of December 31, 2025
(Millions of Dollars)CL&PNSTAR
Electric
PSNHCL&PNSTAR
Electric
PSNH
Distribution - Electric$9,127.4 $11,172.3 $3,276.7 $8,906.0 $10,635.7 $3,193.8 
Transmission - Electric7,288.2 6,792.1 3,204.8 7,222.5 6,722.9 3,138.7 
Solar— 206.8 — — 206.8 — 
Property, Plant and Equipment, Gross
16,415.6 18,171.2 6,481.5 16,128.5 17,565.4 6,332.5 
Less:  Accumulated Depreciation
(3,181.4)(4,150.5)(1,118.3)(3,081.3)(4,014.2)(1,085.4)
Property, Plant and Equipment, Net
13,234.2 14,020.7 5,363.2 13,047.2 13,551.2 5,247.1 
Construction Work in Progress
720.5 1,891.3 269.3 576.1 1,757.7 260.6 
Total Property, Plant and Equipment, Net
$13,954.7 $15,912.0 $5,632.5 $13,623.3 $15,308.9 $5,507.7