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The Restricted Stock Units will be settled, at the reporting\nperson's election, in 100% shares of common stock, 50% in common stock and 50% in cash, or 100% in cash."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. 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Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled in common stock.  When the Company declares a cash dividend on its stock from the date of grant until the applicable vesting date, the recipient will be credited with additional Restricted Stock Units in satisfaction of the Dividend Equivalents Award.   Vested Restricted Stock Units in satisfaction of the Dividend Equivalents Award will be made in cash."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On February 18, 2025, the recipient received the number specified above of Restricted Stock Units and related Dividend Equivalents.  Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled in common stock.  When the Company declares a cash dividend on its stock from the date of grant until the applicable vesting date, the recipient will be credited with additional Restricted Stock Units in satisfaction of the Dividend Equivalents Award.   Vested Restricted Stock Units in satisfaction of the Dividend Equivalents Award will be made in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Restricted Stock Units award was granted and was effective in February 2025, and vests in four equal, annual installments beginning on February 20, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Restricted Stock Units award was granted and was effective in February 2025, and vests in four equal, annual installments beginning on February 20, 2026."}],"balance_after":1672,"derivative":{"underlying":"Common Stock","underlying_shares":1672},"source":{"system":"sec-edgar","filing":"0001628280-25-006614","document":"wk-form4_1740066789.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828025006614/wk-form4_1740066789.xml","form_type":"4"}},{"id":1382225,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"gift","planned":false,"acquired":true,"shares":473,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person gifted the shares received on Oct 22, 2024 to a revocable family trust."}],"balance_after":2023,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1382224,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"gift","planned":false,"acquired":false,"shares":473,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The reporting person gifted the shares received on Oct 22, 2024 to a revocable family trust."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1382223,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":45,"price":88.12,"value":3965.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares retained by the Company for the purpose of meeting tax withholding requirements. The recipient retained all other shares"}],"balance_after":473,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1382222,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"grant","planned":false,"acquired":true,"shares":106,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of common stock received by the individual in settlement of dividend rights that vested in connection with the performance shares that vested on October 22, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents shares of common stock received by the individual in settlement of dividend rights that vested in connection with the performance shares that vested on October 22, 2024."}],"balance_after":518,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1382221,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"tax_withholding","planned":false,"acquired":false,"shares":298,"price":88.12,"value":26259.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares retained by the Company for the purpose of meeting tax withholding requirements. The recipient retained all other shares"}],"balance_after":412,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1382220,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-10-24T15:23:09.000Z","date":"2024-10-22","kind":"grant","planned":false,"acquired":true,"shares":710,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares acquired upon the vesting of a portion of the performance shares granted in 2021 that were tied to the operational performance metric."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares acquired upon the vesting of a portion of the performance shares granted in 2021 that were tied to the operational performance metric."}],"balance_after":710,"source":{"system":"sec-edgar","filing":"0001628280-24-043553","document":"wk-form4_1729783382.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024043553/wk-form4_1729783382.xml","form_type":"4"}},{"id":1437529,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Common Stock","published_at":"2024-08-09T20:05:30.000Z","date":"2024-08-08","kind":"sale","planned":false,"acquired":false,"shares":2700,"price":85.28,"value":230256.0,"ownership":{"direct":false,"nature":"by Trust"},"balance_after":1508,"source":{"system":"sec-edgar","filing":"0001628280-24-036468","document":"wk-form4_1723233922.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/764622/000162828024036468/wk-form4_1723233922.xml","form_type":"4"}},{"id":1627252,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"grant","planned":false,"acquired":true,"shares":2172,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F21","text":"The Restricted Stock Units award was granted and was effective in February 2024, and vests in four equal, annual installments beginning on February 20, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F21","text":"The Restricted Stock Units award was granted and was effective in February 2024, and vests in four equal, annual installments beginning on February 20, 2025."}],"balance_after":2172,"derivative":{"underlying":"Common Stock","underlying_shares":2172},"source":{"system":"sec-edgar","filing":"0001209191-24-003874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":30,"url":"https://www.sec.gov/Archives/edgar/data/764622/000120919124003874/doc4.xml","form_type":"4"}},{"id":1627251,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":486,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"shares","element":"transactionShares","label":"F18","text":"The number of derivative securities in Column 5 includes 22 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F19","text":"The Restricted Stock Unit award was granted and was effective in February 2023, and vests in four equal annual installments beginning on February 20, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F19","text":"The Restricted Stock Unit award was granted and was effective in February 2023, and vests in four equal annual installments beginning on February 20, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F20","text":"Includes 64 Restricted Stock Units received in connection with the settlement of dividend equivalent rights."}],"balance_after":1456,"derivative":{"underlying":"Common Stock","underlying_shares":486},"source":{"system":"sec-edgar","filing":"0001209191-24-003874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":29,"url":"https://www.sec.gov/Archives/edgar/data/764622/000120919124003874/doc4.xml","form_type":"4"}},{"id":1627250,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":451,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"shares","element":"transactionShares","label":"F15","text":"The number of derivative securities in Column 5 includes 42 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F16","text":"The Restricted Stock Unit award was granted and was effective in February 2022, and vests in four equal annual installments beginning on February 20, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F16","text":"The Restricted Stock Unit award was granted and was effective in February 2022, and vests in four equal annual installments beginning on February 20, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F17","text":"Includes 77 Restricted Stock Units received in connection with the settlement of dividend equivalent rights."}],"balance_after":895,"derivative":{"underlying":"Common Stock","underlying_shares":451},"source":{"system":"sec-edgar","filing":"0001209191-24-003874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":28,"url":"https://www.sec.gov/Archives/edgar/data/764622/000120919124003874/doc4.xml","form_type":"4"}},{"id":1627249,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":45,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"shares","element":"transactionShares","label":"F12","text":"The number of derivative securities in Column 5 includes 2 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights.  Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled either in 100% shares of common stock or 100% in cash with respect to Restricted Stock Units received in connection with the settlement of dividend equivalent rights."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The Restricted Stock Unit award was granted and was effective in May 20, 2022 and vests in four equal, annual installments beginning on February 20, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F13","text":"The Restricted Stock Unit award was granted and was effective in May 20, 2022 and vests in four equal, annual installments beginning on February 20, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F14","text":"Includes 7 Restricted Stock Units received in connection with the settlement of dividend equivalent rights."}],"balance_after":93,"derivative":{"underlying":"Common Stock","underlying_shares":45},"source":{"system":"sec-edgar","filing":"0001209191-24-003874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":27,"url":"https://www.sec.gov/Archives/edgar/data/764622/000120919124003874/doc4.xml","form_type":"4"}},{"id":1627248,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":288,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock.  The Restricted Stock Units will be settled, at the reporting person's election, in 100% shares of common stock, 50% in common stock and 50% in cash, or 100% in cash."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock.  The Restricted Stock Units will be settled, at the reporting person's election, in 100% shares of common stock, 50% in common stock and 50% in cash, or 100% in cash."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"The Restricted Stock Units award was granted and was effective in February 2021, and vests in four equal, annual installments beginning on February 20, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F11","text":"The Restricted Stock Units award was granted and was effective in February 2021, and vests in four equal, annual installments beginning on February 20, 2022."}],"balance_after":288,"derivative":{"underlying":"Common Stock","underlying_shares":288},"source":{"system":"sec-edgar","filing":"0001209191-24-003874","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/764622/000120919124003874/doc4.xml","form_type":"4"}},{"id":1627247,"issuer":{"id":3465,"kind":"organization","name":"PINNACLE WEST CAPITAL CORP"},"owners":[{"id":80124,"kind":"person","name":"Mountain Paul J","position":1,"cik":"0001929738","reported_name":"Mountain Paul J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, Finance and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2024-02-23T02:17:13.000Z","date":"2024-02-20","kind":"exercise","planned":false,"acquired":false,"shares":148,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock.  The Restricted Stock Units will be settled, at the reporting person's election, in 100% shares of common stock, 50% in common stock and 50% in cash, or 100% in cash."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock.  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