{"url_path":"/sec/nsaro/8-k/2026-05-13/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 **","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-13","source_url":"https://www.sec.gov/Archives/edgar/data/13372/0001104659-26-060236-index.html","accession_number":"0001104659-26-060236","cik":"0000013372","ticker":"NSARO","issuer_name":"NSTAR ELECTRIC CO","edgar_url":"https://www.sec.gov/Archives/edgar/data/13372/0001104659-26-060236-index.html","primary_entity_key":"0000013372","primary_entity_name":"NSTAR ELECTRIC CO"},"word_count":162,"has_tables":true,"body_markdown":"**Item 9.01**\n**Financial Statements and Exhibits.**\n\n \n\n(d) Exhibits.\n\n \n\n**Exhibit\nNumber**\n \n**Description**\n\n[1.1](tm2614485d1_ex1-1.htm)\n \n[Underwriting Agreement, dated May 11, 2026, among NSTAR Electric Company, doing business as Eversource Energy, and Goldman Sachs & Co. LLC, Mizuho Securities USA LLC, TD Securities (USA) LLC, U.S. Bancorp Investments, Inc., and Wells Fargo Securities, LLC, as representatives of the several Underwriters named therein.](tm2614485d1_ex1-1.htm)\n\n[4.1](tm2614485d1_ex4-1.htm)\n \n[Form of 4.650% Debenture due 2031.](tm2614485d1_ex4-1.htm)\n\n[4.2](tm2614485d1_ex4-2.htm)\n \n[Form of 5.200% Debenture due 2036.](tm2614485d1_ex4-2.htm)\n\n[5.1](tm2614485d1_ex5-1.htm)\n \n[Legal opinion of Ropes & Gray LLP relating to the validity of the Debentures.](tm2614485d1_ex5-1.htm)\n\n[23.1](tm2614485d1_ex5-1.htm)\n \n[Consent of Ropes & Gray LLP (included in Exhibit 5.1).](tm2614485d1_ex5-1.htm)\n\n104\n \nCover Page Interactive Data File (embedded within the Inline XBRL document).\n\n \n\n \n\n \n\n \n\n**SIGNATURE**\n\n \n\nPursuant to the requirements\nof the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto\nduly authorized.\n\n \n\n \n**NSTAR ELECTRIC COMPANY**\n\n \n(Registrant)\n\n \n \n \n\nMay 13, 2026\nBy:\n/s/ Matthew P. Fallon\n\n \n \nMatthew P. Fallon\n\n \n \nAssistant Treasurer-Corporate Finance and Cash Management"}