{"schema_version":"secwatch.filing_event.v1","accession":"0000090144-23-000009","form_type":"8-K","ticker":null,"cik":"0000090144","company_name":"SIERRA PACIFIC POWER CO","filed_at":"2023-09-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.970454+00:00","generated_at":"2026-06-10T15:44:49.310259+00:00","sec_items":["2.03","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Sierra Pacific Power issues $400M 5.9% notes due 2054","bullets":["Completed sale of $400M aggregate principal of 5.900% General and Refunding Mortgage Notes due 2054.","Interest payable semi-annually starting March 15, 2024; notes mature March 15, 2054.","Proceeds to fund capex, repay short-term borrowings used to redeem prior 3.375% Series T notes.","Company entered into registration rights agreement; failure to register could trigger 0.25%-0.50% additional interest per annum.","Corrected prior 8-K error regarding Events of Default under the G&R Indenture."],"urls":{"canonical":"https://secwatch.observer/filing/0000090144-23-000009","json":"https://secwatch.observer/filing/0000090144-23-000009.json","markdown":"https://secwatch.observer/filing/0000090144-23-000009.md","text":"https://secwatch.observer/filing/0000090144-23-000009.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/90144/000009014423000009/0000090144-23-000009-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/90144/000009014423000009/sppc-20230913.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T15:44:49.310259+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":[{"claim_id":"c520142193e446e9b3a0f34375044a711efa780d","claim":"SIERRA PACIFIC POWER CO incurred senior notes of $400 million with The Bank of New York Mellon Trust Company, N.A. at 5.900% maturing March 15, 2054.","evidence_excerpt":"On September 15, 2023, Sierra Pacific Power Company (the “Company”), completed the sale of $400 million in aggregate principal amount of its 5.900% General and Refunding Mortgage Notes, SPPC Series 2023A, due 2054 (the \"Notes\") pursuant to a Purchase Agreement dated September 13, 2023, between the Company and representatives of the purchasers.","evidence_source":"SEC 8-K Item 2.03/2.04","evidence_url":"https://www.sec.gov/Archives/edgar/data/90144/000009014423000009/0000090144-23-000009-index.htm","confidence":1.0,"family_label":"Debt Financings","details":[{"label":"Instrument","value":"senior notes"},{"label":"Principal","value":"$400 million"},{"label":"Counterparty","value":"The Bank of New York Mellon Trust Company, N.A."},{"label":"Rate","value":"5.900%"},{"label":"Maturity","value":"March 15, 2054"},{"label":"Event","value":"incurrence"}],"fact_type":"debt_financing"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}