{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-061944","form_type":"8-K","ticker":"NSARO","cik":"0000013372","company_name":"NSTAR ELECTRIC CO","filed_at":"2022-05-17T23:59:59+00:00","discovered_at":"2026-05-14T18:04:00.307132+00:00","generated_at":"2026-06-25T11:29:49.479686+00:00","sec_items":["2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"NSTAR Electric issues $450M of 4.55% Debentures due 2052","bullets":["Issued $450,000,000 aggregate principal of 4.55% Debentures maturing June 1, 2052.","Interest at 4.55% payable semi-annually on June 1 and December 1, commencing December 1, 2022.","Underwriters include Barclays, BNY Mellon Capital Markets, BofA Securities, and U.S. Bancorp Investments.","Debentures issued under indenture dated September 1, 1988 with The Bank of New York Mellon Trust as trustee."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-061944","json":"https://secwatch.observer/filing/0001104659-22-061944.json","markdown":"https://secwatch.observer/filing/0001104659-22-061944.md","text":"https://secwatch.observer/filing/0001104659-22-061944.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/13372/000110465922061944/0001104659-22-061944-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/13372/000110465922061944/tm2215678d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-25T11:29:49.479686+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}