Welcome to our dedicated page for NSTAR ELECTRIC CO SEC filings (Ticker: NSARO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on NSTAR ELECTRIC CO's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.
Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into NSTAR ELECTRIC CO's regulatory disclosures and financial reporting.
NSTAR Electric Company, doing business as Eversource Energy, issued two new series of unsecured debentures totaling $700,000,000. The company sold $350,000,000 of 4.650% Debentures due 2031 and $350,000,000 of 5.200% Debentures due 2036 under an existing indenture.
Both series pay interest semi-annually each May 15 and November 15, starting on November 15, 2026. The debt was issued pursuant to an Underwriting Agreement with a syndicate led by Goldman Sachs & Co. LLC and others, and was registered on a shelf Registration Statement on Form S-3.
NSTAR Electric Company is registering $700,000,000 of debentures via a prospectus supplement. The offering comprises $350,000,000 of 4.650% Debentures due May 15, 2031 and $350,000,000 of 5.200% Debentures due May 15, 2036, interest payable semi-annually beginning November 15, 2026.
The debentures are unsecured, rank equally with other unsecured unsubordinated indebtedness, will be issued in global book-entry form through DTC, and are new issues with no planned exchange listing. Estimated net proceeds are approximately $695.2 million, to be used to repay maturing notes totaling $300 million, refinance short-term debt if any, and fund capital expenditures and working capital.
NSTAR Electric Company, doing business as Eversource Energy, is offering two series of unsecured debentures due May 15, 2031 and May 15, 2036. Interest will be payable semi-annually on May 15 and November 15, beginning November 15, 2026. The offering will be issued in global book-entry form and may be redeemed at the issuer’s option prior to specified Par Call Date formulas or, in whole but not in part, at 101% if a Tax Credit Event occurs. Net proceeds are expected to refinance specified near-term notes including repayment at maturity of $250 million of 2.70% Debentures due June 1, 2026 and $50 million of 2.75% Senior Notes, Series H due June 15, 2026, with remaining proceeds for short-term refinancing, capital expenditures and working capital.
NSTAR Electric Company, doing business as Eversource Energy, issued an additional $300,000,000 aggregate principal amount of its 5.20% Debentures due 2035 under an underwriting agreement with a syndicate led by BofA Securities, J.P. Morgan, Morgan Stanley, PNC Capital Markets, RBC Capital Markets, and U.S. Bancorp Investments. Following closing, the total outstanding for this series rose to $700,000,000.
The debentures were issued under a 1988 indenture and are registered on Form S-3 (File No. 333-286362-03). They mature on March 1, 2035 and bear interest at 5.20%, payable semi-annually on March 1 and September 1, with the first payment for the additional issuance on March 1, 2026.
NSTAR Electric Company (Eversource Energy) is offering $300,000,000 of 5.20% Debentures due 2035 in a reopening that will be fungible with the $400,000,000 issued on February 26, 2025, bringing total outstanding for this series to $700,000,000. The debentures priced at 102.451% with a 0.650% underwriting discount, generating estimated net proceeds of $305,403,000 (plus accrued interest if settled on October 17, 2025).
The notes are unsecured, rank equally with other unsubordinated debt, and pay interest semi-annually on March 1 and September 1, starting March 1, 2026. They mature on March 1, 2035, and are redeemable at the greater of make‑whole (Treasury Rate + 15 bps) or 100% before the Par Call Date of December 1, 2034, and at 100% thereafter, in each case plus accrued interest.
Use of proceeds: approximately $305.4 million will be used to refinance short‑term debt and to fund capital expenditures and working capital. As of October 9, 2025, short‑term debt outstanding was $399.0 million with a 4.26% weighted‑average annual interest rate. The debentures will not be listed on an exchange; settlement is expected on October 17, 2025.
NSTAR Electric Company (doing business as Eversource Energy) plans a reopening of its 5.20% Debentures due 2035 via a preliminary prospectus supplement. The new notes will be part of the same series as the $400,000,000 issued on February 26, 2025, share the same CUSIP, and be fully fungible. The debentures mature on March 1, 2035, pay interest semi-annually on March 1 and September 1 (commencing March 1, 2026 for this tranche), and are unsecured, ranking equally with the company’s other unsecured and unsubordinated debt.
The notes are redeemable at the company’s option at a make-whole price prior to the Par Call Date and at 100% of principal on or after the Par Call Date of December 1, 2034. The offering is expected to qualify as a “qualified reopening” for U.S. federal income tax purposes. NSTAR Electric does not intend to list the debentures. The company expects to use net proceeds to refinance short-term debt and to fund capital expenditures and working capital. As of October 9, 2025, short-term debt was approximately $399.0 million with a 4.26% weighted-average annual interest rate.