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SHORT-TERM AND LONG-TERM DEBT (Tables)
 6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
Borrowings Outstanding and Available under the Commercial Paper Programs
The amount of borrowings outstanding and available under the commercial paper programs were as follows:
Borrowings Outstanding as ofAvailable Borrowing Capacity as ofWeighted-Average Interest Rate as of
June 30, 2024December 31, 2023June 30, 2024December 31, 2023June 30, 2024December 31, 2023
(Millions of Dollars)
Eversource Parent Commercial Paper Program $1,203.0 $1,771.9 $797.0 $228.1 5.67 %5.60 %
NSTAR Electric Commercial Paper Program 236.5 365.8 413.5 284.2 5.37 %5.40 %
Summary of Long-Term Debt Issuance and Repayments The following table summarizes long-term debt issuances and repayments:
(Millions of Dollars)Interest RateIssuance/(Repayment)Issue Date or Repayment DateMaturity DateUse of Proceeds for Issuance/
Repayment Information
CL&P 2024 Series A First Mortgage Bonds4.65 %$350.0 January 2024January 2029Repaid short-term debt, paid capital expenditures and working capital
NSTAR Electric 2024 Debentures5.40 %600.0 May 2024June 2034Repaid short-term debt, paid capital expenditures and working capital
PSNH Series X First Mortgage Bonds5.35 %300.0 April 2024October 2033Repaid short-term debt, paid capital expenditures and working capital
Eversource Parent Series DD Senior Notes5.00 %350.0 January 2024January 2027Repaid short-term debt
Eversource Parent Series EE Senior Notes5.50 %650.0 January 2024January 2034Repaid short-term debt
Eversource Parent Series FF Senior Notes5.85 %700.0 April 2024April 2031Repay Series X Senior Notes and Aquarion’s 2014 Senior Notes at maturity and short-term debt
Eversource Parent Series GG Senior Notes5.95 %700.0 April 2024July 2034Repay Series X Senior Notes and Aquarion’s 2014 Senior Notes at maturity and short-term debt
Eversource Parent Series X Senior Notes4.20 %(900.0)June 2024June 2024Paid at maturity
NSTAR Gas Series W First Mortgage Bonds5.29 %160.0 June 2024June 2029Repaid short-term debt, paid capital expenditures and general corporate purchases
NSTAR Gas Series X First Mortgage Bonds5.48 %40.0 June 2024June 2034Repaid short-term debt, paid capital expenditures and general corporate purchases
Yankee Gas Series W First Mortgage Bonds5.50 %90.0 July 2024July 2029Repaid short-term debt, paid capital expenditures, working capital and repay Series P bonds at maturity
Yankee Gas Series X First Mortgage Bonds5.74 %90.0 July 2024July 2034Repaid short-term debt, paid capital expenditures, working capital and repay Series P bonds at maturity