{"url_path":"/sec/cik-0000072909/8-k/2026-06-10/item-1-01","section_key":"item-1-01","section_title":"Item 1.01 Entry into a Material Definitive Agreement.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-10","source_url":"https://www.sec.gov/Archives/edgar/data/72909/0001193125-26-265885-index.html","accession_number":"0001193125-26-265885","cik":"0000072909","ticker":null,"issuer_name":"NORTHERN STATES POWER CO /WI/","edgar_url":"https://www.sec.gov/Archives/edgar/data/72909/0001193125-26-265885-index.html","primary_entity_key":"0000072909","primary_entity_name":"NORTHERN STATES POWER CO /WI/"},"word_count":8,"has_tables":true,"body_markdown":"Item 1.01.\n\nEntry into a Material Definitive Agreement."}