v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 6 Months Ended
Jun. 30, 2026
Accounting Policies [Abstract]  
Schedule of Allowance for Uncollectible Accounts The activity in the allowance for uncollectible accounts by portfolio segment as of June 30th is as follows:
EversourceCL&PNSTAR ElectricPSNH
(Millions of Dollars)Hardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceHardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceHardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceTotal Allowance
Balance as of April 1, 2026$383.2 $228.5 $611.7 $238.6 $35.4 $274.0 $56.6 $70.5 $127.1 $24.3 
Uncollectible Expense— 19.8 19.8 — 4.3 4.3 — 7.3 7.3 1.2 
Uncollectible Costs Deferred (1)
36.7 14.5 51.2 9.0 3.1 12.1 8.8 6.6 15.4 2.0 
Write-Offs(10.2)(28.7)(38.9)(8.0)(8.7)(16.7)(0.4)(9.4)(9.8)(2.8)
Recoveries Collected0.3 3.0 3.3 0.3 1.0 1.3 — 1.1 1.1 0.2 
Sale of Aquarion (2)
— (2.2)(2.2)— — — — — — — 
Balance as of June 30, 2026$410.0 $234.9 $644.9 $239.9 $35.1 $275.0 $65.0 $76.1 $141.1 $24.9 
Balance as of January 1, 2026$367.2 $213.3 $580.5 $225.7 $32.8 $258.5 $60.7 $71.9 $132.6 $23.5 
Uncollectible Expense— 50.6 50.6 — 9.8 9.8 — 15.6 15.6 2.6 
Uncollectible Costs Deferred (1)
64.5 33.3 97.8 31.1 5.9 37.0 5.3 14.0 19.3 4.2 
Write-Offs(22.4)(67.2)(89.6)(17.5)(15.6)(33.1)(1.0)(28.0)(29.0)(5.9)
Recoveries Collected0.7 7.1 7.8 0.6 2.2 2.8 — 2.6 2.6 0.5 
Sale of Aquarion (2)
— (2.2)(2.2)— — — — — — — 
Balance as of June 30, 2026$410.0 $234.9 $644.9 $239.9 $35.1 $275.0 $65.0 $76.1 $141.1 $24.9 
EversourceCL&PNSTAR ElectricPSNH
(Millions of Dollars)Hardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceHardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceHardship AccountsRetail (Non-Hardship),
Wholesale, and Other		Total AllowanceTotal Allowance
Balance as of April 1, 2025$371.5 $194.1 $565.6 $240.3 $35.9 $276.2 $57.8 $58.2 $116.0 $14.3 
Uncollectible Expense— 18.6 18.6 — 5.4 5.4 — 6.5 6.5 1.1 
Uncollectible Costs Deferred (1)
14.9 11.8 26.7 3.2 2.9 6.1 3.2 5.8 9.0 1.2 
Write-Offs(9.6)(29.6)(39.2)(7.3)(8.1)(15.4)(0.7)(12.1)(12.8)(1.8)
Recoveries Collected0.2 3.7 3.9 0.1 1.2 1.3 — 1.5 1.5 0.2 
Balance as of June 30, 2025$377.0 $198.6 $575.6 $236.3 $37.3 $273.6 $60.3 $59.9 $120.2 $15.0 
Balance as of January 1, 2025$364.6 $191.6 $556.2 $240.7 $38.4 $279.1 $55.2 $59.7 $114.9 $14.1 
Uncollectible Expense— 41.5 41.5 — 10.1 10.1 — 14.0 14.0 2.4 
Uncollectible Costs Deferred (1)
34.3 25.6 59.9 12.0 4.8 16.8 6.7 11.3 18.0 2.6 
Write-Offs(22.2)(67.4)(89.6)(16.6)(18.2)(34.8)(1.6)(28.0)(29.6)(4.5)
Recoveries Collected0.3 7.3 7.6 0.2 2.2 2.4 — 2.9 2.9 0.4 
Balance as of June 30, 2025$377.0 $198.6 $575.6 $236.3 $37.3 $273.6 $60.3 $59.9 $120.2 $15.0 

(1) These expected credit losses are deferred as regulatory costs on the balance sheets, as these amounts are ultimately recovered in rates. Amounts include uncollectible costs for hardship accounts and other customer receivables, including uncollectible amounts related to uncollectible energy supply costs.

(2) On June 30, 2026, Eversource completed the sale of Aquarion. For further information, see Note 17, "Sale of Aquarion Water Distribution Business."
Schedule of Components of Other Income, Net
The components of Other Income, Net on the statements of income were as follows:
For the Three Months Ended
June 30, 2026June 30, 2025
(Millions of Dollars)EversourceCL&PNSTAR ElectricPSNHEversourceCL&PNSTAR ElectricPSNH
Pension, SERP and PBOP Non-Service
  Income Components, Net of Deferred Portion		$42.3 $11.3 $18.3 $5.1 $35.5 $9.3 $15.4 $4.6 
AFUDC Equity30.9 6.8 16.8 2.7 25.6 1.5 14.7 4.5 
Equity in Earnings of Unconsolidated Affiliates 5.1 — 0.1 — 4.8 — 0.2 — 
Investment Loss(3.4)(1.5)(0.1)(0.7)(2.0)(0.9)(0.2)(0.4)
Interest Income32.6 0.6 19.0 3.2 30.8 2.5 17.6 5.0 
Other (1)
36.5 — — 0.1 0.7 0.1 — — 
Total Other Income, Net$144.0 $17.2 $54.1 $10.4 $95.4 $12.5 $47.7 $13.7 
For the Six Months Ended
June 30, 2026June 30, 2025
(Millions of Dollars)EversourceCL&PNSTAR ElectricPSNHEversourceCL&PNSTAR ElectricPSNH
Pension, SERP and PBOP Non-Service
   Income Components, Net of Deferred Portion		$86.5 $23.2 $37.3 $10.3 $68.1 $17.6 $30.2 $8.7 
AFUDC Equity54.8 11.4 32.5 5.0 49.5 5.1 28.8 8.4 
Equity in Earnings of Unconsolidated Affiliates8.9 — 0.2 — 10.8 — 0.4 — 
Investment (Loss)/Income(3.1)(1.6)0.3 (0.7)(4.0)(0.8)(2.0)(0.3)
Interest Income61.0 1.8 35.4 6.2 64.8 8.1 36.6 7.7 
Other (1)
37.1 — 0.1 0.1 (1.5)0.1 — — 
Total Other Income, Net$245.2 $34.8 $105.8 $20.9 $187.7 $30.1 $94.0 $24.5 

(1)     In the second quarter of 2026, Eversource completed the sale of an intangible asset. The transaction resulted in proceeds of $36.0 million, which was recognized as a gain on sale within Other Income. The gain is reflected in the Parent and Other Companies segment and the cash proceeds from sale are presented within Other investing activities on the statement of cash flows.
Schedule of Other Taxes These gross receipts taxes are recorded separately with collections in Operating Revenues and with payments in Taxes Other Than Income Taxes on the statements of income as follows:
For the Three Months EndedFor the Six Months Ended
(Millions of Dollars)June 30, 2026June 30, 2025June 30, 2026June 30, 2025
Eversource$52.8 $50.7 $120.9 $114.4 
CL&P45.6 45.6 98.5 98.5 
Schedule of Non-Cash Investing Activities
Non-cash investing activities include plant additions included in Accounts Payable as follows:
(Millions of Dollars)As of June 30, 2026As of June 30, 2025
Eversource$427.3 $405.1 
CL&P105.1 73.1 
NSTAR Electric147.8 124.6 
PSNH44.6 67.7 
Schedule of Reconciliation of Cash Balances to Cash and Restricted Cash
The following table reconciles cash and cash equivalents as reported on the balance sheets to the cash, cash equivalents and restricted cash balance as reported on the statements of cash flows:
As of June 30, 2026As of December 31, 2025
(Millions of Dollars)EversourceCL&PNSTAR ElectricPSNHEversourceCL&PNSTAR ElectricPSNH
Cash and Cash Equivalents as reported on the Balance Sheets$1,819.3 $0.5 $15.4 $56.1 $135.4 $87.6 $8.3 $13.7 
Restricted cash included in:
Special Deposits59.7 1.1 1.2 34.4 93.6 1.1 17.6 38.3 
Marketable Securities11.9 — — — 14.0 — — — 
Other Long-Term Assets3.2 — — 3.2 3.2 — — 3.2 
Cash, Cash Equivalents and Restricted Cash as reported on the Statements of Cash Flows$1,894.1 $1.6 $16.6 $93.7 $246.2 $88.7 $25.9 $55.2