XML 72 R50.htm IDEA: XBRL DOCUMENT
v3.24.3

SHORT-TERM AND LONG-TERM DEBT (Tables) | 9 Months Ended
--- | ---
Sep. 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 of |  | Available Borrowing Capacity as of |  | Weighted-Average Interest Rate as of
| September 30, 2024 |  | December 31, 2023 |  | September 30, 2024 |  | December 31, 2023 |  | September 30, 2024 |  | December 31, 2023
(Millions of Dollars) |  |  |  |  |
Eversource Parent Commercial Paper Program | $ | 322.0 |  |  | $ | 1,771.9 |  |  | $ | 1,678.0 |  |  | $ | 228.1 |  |  | 5.12 | % |  | 5.60 | %
NSTAR Electric Commercial Paper Program | 537.5 |  |  | 365.8 |  |  | 112.5 |  |  | 284.2 |  |  | 4.94 | % |  | 5.40 | %
Summary of Long-Term Debt Issuance and Repayments | The following table summarizes long-term debt issuances and repayments:
(Millions of Dollars) | Interest Rate |  | Issuance/(Repayment) |  | Issue Date or Repayment Date |  | Maturity Date |  | Use of Proceeds for Issuance/ Repayment Information
CL&P Series A First Mortgage Bonds | 4.65 | % |  | $ | 350.0 |  |  | January 2024 |  | January 2029 |  | Repaid short-term debt, paid capital expenditures and working capital
CL&P Series B First Mortgage Bonds | 4.95 | % |  | 300.0 |  |  | August 2024 |  | August 2034 |  | Repaid Series D Bonds, repaid short-term debt, and working capital
CL&P Series D First Mortgage Bonds | 7.875 | % |  | (139.8) |  |  | October 2024 |  | October 2024 |  | Paid at maturity
NSTAR Electric Debentures | 5.40 | % |  | 600.0 |  |  | May 2024 |  | June 2034 |  | Repaid short-term debt, paid capital expenditures and working capital
PSNH Series X First Mortgage Bonds | 5.35 | % |  | 300.0 |  |  | April 2024 |  | October 2033 |  | Repaid short-term debt, paid capital expenditures and working capital
Eversource Parent Series DD Senior Notes | 5.00 | % |  | 350.0 |  |  | January 2024 |  | January 2027 |  | Repaid short-term debt
Eversource Parent Series EE Senior Notes | 5.50 | % |  | 650.0 |  |  | January 2024 |  | January 2034 |  | Repaid short-term debt
Eversource Parent Series FF Senior Notes | 5.85 | % |  | 700.0 |  |  | April 2024 |  | April 2031 |  | Repaid Series X Senior Notes and Aquarion’s 2014 Senior Notes at maturity and short-term debt
Eversource Parent Series GG Senior Notes | 5.95 | % |  | 700.0 |  |  | April 2024 |  | July 2034 |  | Repaid Series X Senior Notes and Aquarion’s 2014 Senior Notes at maturity and short-term debt
Eversource Parent Series X Senior Notes | 4.20 | % |  | (900.0) |  |  | June 2024 |  | June 2024 |  | Paid at maturity
Eversource Parent Series L Senior Notes | 2.90 | % |  | (450.0) |  |  | October 2024 |  | October 2024 |  | Paid at maturity
NSTAR Gas Series W First Mortgage Bonds | 5.29 | % |  | 160.0 |  |  | June 2024 |  | June 2029 |  | Repaid short-term debt, paid capital expenditures and general corporate purchases
NSTAR Gas Series X First Mortgage Bonds | 5.48 | % |  | 40.0 |  |  | June 2024 |  | June 2034 |  | Repaid short-term debt, paid capital expenditures and general corporate purchases
Yankee Gas Series W First Mortgage Bonds | 5.50 | % |  | 90.0 |  |  | July 2024 |  | July 2029 |  | Repaid short-term debt, paid capital expenditures, working capital and repaid Series P bonds at maturity
Yankee Gas Series X First Mortgage Bonds | 5.74 | % |  | 90.0 |  |  | July 2024 |  | July 2034 |  | Repaid short-term debt, paid capital expenditures, working capital and repaid Series P bonds at maturity
Yankee Gas Series P First Mortgage Bonds | 2.23 | % |  | (100.0) |  |  | October 2024 |  | October 2024 |  | Paid at maturity
EGMA Series E First Mortgage Bonds | 5.17 | % |  | 100.0 |  |  | October 2024 |  | November 2034 |  | Refinanced existing indebtedness, paid capital expenditures and general corporate purchases
Aquarion Senior Notes | 4.00 | % |  | (360.0) |  |  | August 2024 |  | August 2024 |  | Paid at maturity
Aquarion Water Company of Connecticut Senior Notes | 5.57 | % |  | 70.0 |  |  | August 2024 |  | September 2034 |  | Repaid short-term debt, paid capital expenditures and general corporate purchases

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-8 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-6 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-7 + Details
Name: | us-gaap_ScheduleOfDebtInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ScheduleOfShortTermDebtTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration