{"filing":{"accession_number":"0000764622-26-000040","cik":"0000764622","ticker":"PNW","company_name":"PINNACLE WEST CAPITAL CORP","form":"8-K","filing_date":"2026-08-04","report_date":"2026-08-04","primary_document":"pnw-20260804.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/764622/000076462226000040/pnw-20260804.htm"},"events":[{"id":23785,"run_id":21512,"accession_number":"0000764622-26-000040","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.97,"summary":"Pinnacle West Capital Corp issued a press release on August 4, 2026 disclosing Q2 2026 consolidated net income of $178.6 million ($1.43 per diluted share), compared to $192.6 million ($1.58 per share) in Q2 2025, along with detailed financial statements, operational metrics, and 2026 full-year earnings guidance of $4.55–$4.75 per diluted share.","company_name":"PINNACLE WEST CAPITAL CORP","ticker":"PNW","filing_date":"2026-08-04","form":"8-K","submitted_at":null,"items":[{"id":24113,"accession_number":"0000764622-26-000040","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a clear earnings release disclosing Pinnacle West Capital Corporation's financial results for the fiscal quarter ended June 30, 2026. The press release reports consolidated net income of $178.6 million ($1.43 per diluted share) compared to $192.6 million ($1.58 per diluted share) in the prior year period, along with detailed financial statements and management commentary on operating performance. The Item 2.02 disclosure and attached Exhibit 99.1 press release are the standard format for quarterly earnings announcements.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:16:51.554511+00:00","company_name":"","ticker":null,"filing_date":""},{"id":24114,"accession_number":"0000764622-26-000040","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The filing discloses Pinnacle West's quarterly financial results for the period ended June 30, 2026, including consolidated net income of $178.6 million ($1.43 per diluted share) and a 2026 earnings outlook of $4.55–$4.75 per diluted share. The press release (EX-99.1) and slide presentation (EX-99.2) are furnished under Item 7.01 (Regulation FD Disclosure) in connection with the quarterly earnings conference call held on August 4, 2026. This is a standard earnings release disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:16:51.554511+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":24113,"accession_number":"0000764622-26-000040","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"This is a clear earnings release disclosing Pinnacle West Capital Corporation's financial results for the fiscal quarter ended June 30, 2026. The press release reports consolidated net income of $178.6 million ($1.43 per diluted share) compared to $192.6 million ($1.58 per diluted share) in the prior year period, along with detailed financial statements and management commentary on operating performance. The Item 2.02 disclosure and attached Exhibit 99.1 press release are the standard format for quarterly earnings announcements.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:16:51.554511+00:00","company_name":"PINNACLE WEST CAPITAL CORP","ticker":"PNW","filing_date":"2026-08-04"},{"id":24114,"accession_number":"0000764622-26-000040","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"The filing discloses Pinnacle West's quarterly financial results for the period ended June 30, 2026, including consolidated net income of $178.6 million ($1.43 per diluted share) and a 2026 earnings outlook of $4.55–$4.75 per diluted share. The press release (EX-99.1) and slide presentation (EX-99.2) are furnished under Item 7.01 (Regulation FD Disclosure) in connection with the quarterly earnings conference call held on August 4, 2026. This is a standard earnings release disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T02:16:51.554511+00:00","company_name":"PINNACLE WEST CAPITAL CORP","ticker":"PNW","filing_date":"2026-08-04"}]}