能源方案 2025年度报告

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON, D.C. 20549FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THESECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THESECURITIES EXCHANGE ACT OF 1934 Registrant; State of Incorporation; Address; Telephone Number;Commission File Number; and I.R.S. Employer Identification No. EVERSOURCE ENERGY(a Massachusetts voluntary association)300 Cadwell Drive, Springfield, Massachusetts 01104Telephone: (800) 286-5000Commission File Number: 001-05324I.R.S. Employer Identification No. 04-2147929 THE CONNECTICUT LIGHT AND POWER COMPANY(a Connecticut corporation) 107 Selden Street, Berlin, Connecticut 06037-1616Telephone: (800) 286-5000Commission File Number: 000-00404I.R.S. Employer Identification No. 06-0303850 NSTAR ELECTRIC COMPANY(a Massachusetts corporation) 800 Boylston Street, Boston, Massachusetts 02199Telephone: (800) 286-5000Commission File Number: 001-02301I.R.S. Employer Identification No. 04-1278810 PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE (a New Hampshire corporation)Energy Park780 North Commercial Street, Manchester, New Hampshire 03101-1134Telephone: (800) 286-5000Commission File Number: 001-06392I.R.S. Employer Identification No. 02-0181050 Securities registered pursuant to Section12(b)of the Act: Nameofeachexchangeonwhichregistered New York Stock Exchange Indicate by check mark if the registrants are not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrants were required to file such reports), and (2) have been subject tosuch filing requirements for the past 90 days. Indicate by check mark whether the registrants have submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrants were required tosubmit such files). Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, oran emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with anynew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internalcontrol over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm thatprepared or issued its audit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included inthe filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensationreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the registrants are shell companies (as defined in Rule 12b-2 of the Exchange Act): Eversource EnergyThe Connecticut Light and Power CompanyNSTAR Electric CompanyPublic Service Company of New Hampshire The aggregate market value of Eversource Energy's Common Shares, $5.00 par value, held by non-affiliates, computed by reference to the price atwhich the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of Eversource Energy'smost recently completed second fiscal quarter (June 30, 2025) was $23,590,442,517 based on a closing market price of $63.62 per share for the370,802,303 common shares outstanding held by non-affiliates on June 30, 2025. Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date:Company - Class of StockOutstanding as of January 31, 2026 The Connecticut Light and Power CompanyCommon Stock, $10.00 par value NSTAR Electric CompanyCommon Stock, $1.00 par value Eversource Energy holds all of the 6,035,205 shares, 200 shares, and 301 shares of the outstanding common stock of The Connecticut Light andPower Company, NSTAR Electric Company, and Public Service Company of New Hampshire, respectively. The Connecticut Light and Power