ES: 10-Q financial filing

es-20260930 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended September 30, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ____________ to ____________ 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 01104 Telephone: ( 800 ) 286-5000 Commission File Number: 001-05324 I.R.S. Employer Identification No. 04-2147929 THE CONNECTICUT LIGHT AND POWER COMPANY (a Connecticut corporation) 107 Selden Street , Berlin , Connecticut 06037-1616 Telephone: ( 800 ) 286-5000 Commission File Number: 000-00404 I.R.S. Employer Identification No. 06-0303850 NSTAR ELECTRIC COMPANY (a Massachusetts corporation) 800 Boylston Street , Boston , Massachusetts 02199 Telephone: ( 800 ) 286-5000 Commission File Number: 001-02301 I.R.S. Employer Identification No. 04-1278810 PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE (a New Hampshire corporation) Energy Park 780 North Commercial Street , Manchester , New Hampshire 03101-1134 Telephone: ( 800 ) 286-5000 Commission File Number: 001-06392 I.R.S. Employer Identification No. 02-0181050 Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Shares, $5.00 par value per share ES New York Stock Exchange 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 of 1934 dur