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RATE REDUCTION BONDS AND VARIABLE INTEREST ENTITIES (Tables)
9 Months Ended
Sep. 30, 2024
Rate Reduction Bonds and Variable Interest Entity [Abstract]  
Summary of the Impact of Funding on the Balance Sheets and Income Statements
The following tables summarize the impact of PSNH Funding on PSNH's balance sheets and income statements:
(Millions of Dollars)
PSNH Balance Sheets:As of September 30, 2024As of December 31, 2023
Restricted Cash - Current Portion (included in Special Deposits)$17.3 $30.0 
Restricted Cash - Long-Term Portion (included in Other Long-Term Assets)3.1 3.2 
Securitized Stranded Cost (included in Regulatory Assets)360.1 392.5 
Other Regulatory Liabilities (included in Regulatory Liabilities)7.5 5.3 
Accrued Interest (included in Other Current Liabilities)2.3 6.3 
Rate Reduction Bonds - Current Portion43.2 43.2 
Rate Reduction Bonds - Long-Term Portion324.1 367.3 

(Millions of Dollars)
PSNH Income Statements:
For the Three Months EndedFor the Nine Months Ended
September 30, 2024September 30, 2023September 30, 2024September 30, 2023
Amortization of RRB Principal (included in Amortization of
   Regulatory Assets/(Liabilities), Net)
$10.8 $10.8 $32.4 $32.4 
Interest Expense on RRB Principal (included in Interest Expense)3.5 3.9 10.8 11.9