{"filing":{"accession_number":"0000788816-26-000040","cik":"0000788816","ticker":null,"company_name":"OGLETHORPE POWER CORP","form":"8-K","filing_date":"2026-08-04","report_date":"2026-08-03","primary_document":"opc-20260803.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/788816/000078881626000040/opc-20260803.htm"},"events":[{"id":23787,"run_id":21514,"accession_number":"0000788816-26-000040","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"Heather H. Teilhet, the current Executive Vice President, External Affairs, has informed the company that she will resign from her position effective January 1, 2027, due to her appointment as President/CEO of Georgia Electric Membership Corporation. While the disclosure mentions both her departure and the external appointment, the principal action disclosed to investors is her resignation from the registrant, making this a departure event. The departure of a senior executive is material to investors' assessment of the company.","company_name":"OGLETHORPE POWER CORP","ticker":null,"filing_date":"2026-08-04","form":"8-K","submitted_at":null,"items":[{"id":24119,"accession_number":"0000788816-26-000040","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Heather H. Teilhet, the current Executive Vice President, External Affairs, has informed the company that she will resign from her position effective January 1, 2027, due to her appointment as President/CEO of Georgia Electric Membership Corporation. While the disclosure mentions both her departure and the external appointment, the principal action disclosed to investors is her resignation from the registrant, making this a departure event. The departure of a senior executive is material to investors' assessment of the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:17:13.933759+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":24119,"accession_number":"0000788816-26-000040","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"Heather H. Teilhet, the current Executive Vice President, External Affairs, has informed the company that she will resign from her position effective January 1, 2027, due to her appointment as President/CEO of Georgia Electric Membership Corporation. While the disclosure mentions both her departure and the external appointment, the principal action disclosed to investors is her resignation from the registrant, making this a departure event. The departure of a senior executive is material to investors' assessment of the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:17:13.933759+00:00","company_name":"OGLETHORPE POWER CORP","ticker":null,"filing_date":"2026-08-04"}]}