v3.25.2
REGULATORY ACCOUNTING (Tables)
 6 Months Ended
Jun. 30, 2025
Regulated Operations [Abstract]  
Components of Regulatory Assets The components of regulatory assets were as follows:
 As of June 30, 2025As of December 31, 2024
(Millions of Dollars)EversourceCL&PNSTAR
Electric		PSNHEversourceCL&PNSTAR
Electric		PSNH
Storm Costs, Net$2,003.0 $979.8 $554.0 $469.2 $2,039.4 $971.1 $609.8 $458.5 
Regulatory Tracking Mechanisms1,450.0 301.2 648.8 123.8 1,781.6 507.7 650.0 162.8 
Income Taxes, Net991.5 530.1 153.9 20.0 968.4 521.0 145.4 20.7 
Benefit Costs985.8 169.1 304.5 64.8 967.4 168.8 293.6 65.6 
Securitized Stranded Costs327.7 — — 327.7 349.3 — — 349.3 
Goodwill-related238.8 — 205.0 — 247.2 — 212.3 — 
Cost of Removal232.6 — 8.3 — 198.4 — 8.5 — 
Asset Retirement Obligations156.4 42.7 81.4 5.3 150.2 41.2 78.3 5.1 
Derivative Liabilities26.3 26.3 — — 57.2 57.2 — — 
Other Regulatory Assets319.8 44.2 100.7 3.3 311.6 58.5 109.2 3.7 
Total Regulatory Assets6,731.9 2,093.4 2,056.6 1,014.1 7,070.7 2,325.5 2,107.1 1,065.7 
Less:  Current Portion1,823.4 408.5 900.8 125.5 2,189.7 638.5 902.8 173.3 
Total Long-Term Regulatory Assets$4,908.5 $1,684.9 $1,155.8 $888.6 $4,881.0 $1,687.0 $1,204.3 $892.4 
Components of Regulatory Liabilities The components of regulatory liabilities were as follows:
 As of June 30, 2025As of December 31, 2024
(Millions of Dollars)EversourceCL&PNSTAR
Electric		PSNHEversourceCL&PNSTAR
Electric		PSNH
EDIT due to Tax Cuts and Jobs Act of 2017$2,422.1 $952.6 $866.5 $326.6 $2,442.7 $956.6 $877.6 $330.6 
Regulatory Tracking Mechanisms896.8 289.7 457.2 93.5 702.4 180.3 413.6 114.4 
Cost of Removal717.1 239.6 448.9 28.6 684.1 212.8 451.3 20.1 
Deferred Portion of Non-Service Income
   Components of Pension, SERP and PBOP		468.6 67.2 232.5 45.6 427.1 61.6 211.6 42.6 
AFUDC - Transmission166.8 67.9 98.9 — 154.8 65.1 89.7 — 
Benefit Costs58.8 5.2 12.7 4.2 69.3 4.5 21.4 3.9 
Other Regulatory Liabilities181.0 44.0 13.9 8.0 184.5 39.1 14.2 4.5 
Total Regulatory Liabilities4,911.2 1,666.2 2,130.6 506.5 4,664.9 1,520.0 2,079.4 516.1 
Less:  Current Portion834.8 237.5 480.2 103.9 632.3 124.1 436.3 121.1 
Total Long-Term Regulatory Liabilities$4,076.4 $1,428.7 $1,650.4 $402.6 $4,032.6 $1,395.9 $1,643.1 $395.0