20201106
6.03 MB
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style="margin-top:4pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">WASHINGTON, DC 20549</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:5pt"><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td></tr></table></div><div style="margin-top:13pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">FORM <ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGV4dHJlZ2lvbjo1NTdmMGIxY2JhOGQ0ZTliOWQ3ZTZkOGVhMzc4NmI2ZV8xNDM3_d4454ae0-b2e6-48fa-93da-18e5e7fa9d91">8-K</ix:nonNumeric></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:5pt"><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td></tr></table></div><div style="margin-top:13pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">CURRENT REPORT</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Pursuant to Section 13 or 15(d) of the</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Securities Exchange Act of 1934</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:5.498%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:54.765%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.014%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.323%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:13pt;text-align:right"><span style="color:#000000;font-family:'Times New 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style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:5pt"><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td></tr></table></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:16.882%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.723%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.712%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.285%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.787%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Commission File<br/>Number</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:1pt;font-weight:700;line-height:100%"> </span></td><td colspan="12" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Exact Name of Each Registrant as specified in its<br/>charter; State of Incorporation; Address; and<br/>Telephone Number</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">IRS Employer<br/>Identification No.</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8xLTAtMS0xLTA_6935763a-0f90-49d9-956d-828f3bc337b0">1-8962</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"> </span></td><td colspan="12" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8xLTItMS0xLTA_89b47cdb-761f-4a3a-a3df-c94f21e1c47b">PINNACLE WEST CAPITAL CORPORATION</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8xLTctMS0xLTA_88e9f8fe-fb52-48ec-85ae-aaca9fa61f8d">86-0512431</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(an Arizona corporation)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8zLTItMS0xLTA_39c8bef8-113a-47db-b552-bbe7de063f2b">400 North Fifth Street, P.O. Box 53999</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl80LTItMS0xLTA_326e9702-9f9f-4f26-ae2c-912bc20e9e4f">Phoenix</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl80LTMtMS0xLTA_5eedd450-f257-4e5c-a346-643c562f9ab6">Arizona</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl80LTQtMS0xLTA_713b407d-c4e4-4a6f-8311-de7af6053e52">85072-3999</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl81LTItMS0xLTA_bbaa0da6-c5c1-4d18-8299-6141d29817e5">(602)</ix:nonNumeric> </span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl81LTMtMS0xLTA_e2a206ca-4650-4115-80e0-83111eabb2fb">250-1000</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl82LTAtMS0xLTA_4d43174e-1bac-4a78-8145-26e54fc31039">1-4473</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"> </span></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl82LTItMS0xLTA_e5148cfc-61b2-40fc-9c7a-d5d4e959988f">ARIZONA PUBLIC SERVICE COMPANY</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl82LTctMS0xLTA_15c7f526-8b86-43cd-9ef4-3f4b3cfba8de">86-0011170</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">(an Arizona corporation)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl84LTItMS0xLTA_8fc76b12-f598-4d88-8c1d-ed7a5615d04a">400 North Fifth Street, P.O. Box 53999</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl85LTItMS0xLTA_1e1b2815-79e4-4f86-b618-b845485a0b32">Phoenix</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl85LTMtMS0xLTA_4bda8d67-c5d8-4d52-8121-17efb3cb3c97">Arizona</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl85LTQtMS0xLTA_7851d288-2125-48ac-b7d6-f298a6afac02">85072-3999</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8xMC0yLTEtMS0w_a0ec15b3-e5f1-4e7e-8f82-afbc82820281">(602)</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8fd0de76e8ab44589ac83cf43cba1a64_D20201106-20201106" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6M2U0ZjI2MDg2MGQzNGQ0MzgwMWU4NTdkNjFkZTJjYzYvdGFibGVyYW5nZTozZTRmMjYwODYwZDM0ZDQzODAxZTg1N2Q2MWRlMmNjNl8xMC0zLTEtMS0w_e0d9a335-cb68-4b0f-83bf-e048b67f0b65">250-1000</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:2.853%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:94.947%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:13pt;text-align:right"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6ZjJmNTZiNzQ5NGNiNDIxMzg0YzYxNGY4YTJkYWE3ZWQvdGFibGVyYW5nZTpmMmY1NmI3NDk0Y2I0MjEzODRjNjE0ZjhhMmRhYTdlZF8wLTAtMS0xLTA_73175523-3d87-4c2c-af09-17088e596c36">☐</ix:nonNumeric></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6ZjJmNTZiNzQ5NGNiNDIxMzg0YzYxNGY4YTJkYWE3ZWQvdGFibGVyYW5nZTpmMmY1NmI3NDk0Y2I0MjEzODRjNjE0ZjhhMmRhYTdlZF8yLTAtMS0xLTA_f55e59ed-0a19-438d-8436-088d274f9c0d">☐</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6ZjJmNTZiNzQ5NGNiNDIxMzg0YzYxNGY4YTJkYWE3ZWQvdGFibGVyYW5nZTpmMmY1NmI3NDk0Y2I0MjEzODRjNjE0ZjhhMmRhYTdlZF80LTAtMS0xLTA_e52b732d-bbbd-42c8-a6b6-9f3aa7d19a17">☐</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></td></tr><tr style="height:6pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6ZjJmNTZiNzQ5NGNiNDIxMzg0YzYxNGY4YTJkYWE3ZWQvdGFibGVyYW5nZTpmMmY1NmI3NDk0Y2I0MjEzODRjNjE0ZjhhMmRhYTdlZF82LTAtMS0xLTA_f42a0f89-f489-4145-9532-bd12b6622eef">☐</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Securities registered pursuant to Section 12(b) of the Act:</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:36.538%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.122%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:39.040%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Title of each class</span></div></td><td colspan="3" style="border-left:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Trading Symbol(s)</span></div></td><td colspan="3" style="border-left:1pt solid #00000a;border-right:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Name of each exchange on which registered</span></div></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #00000a;border-left:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6MzVhMzA3OWM1NmU1NDliOGEwYjUwMjk3Y2NkMjAzYzcvdGFibGVyYW5nZTozNWEzMDc5YzU2ZTU0OWI4YTBiNTAyOTdjY2QyMDNjN18xLTAtMS0xLTA_1b8bc2a7-fa38-466f-bc70-13a9867218d6">Common Stock</ix:nonNumeric></span></div></td><td colspan="3" style="border-bottom:1pt solid #00000a;border-left:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6MzVhMzA3OWM1NmU1NDliOGEwYjUwMjk3Y2NkMjAzYzcvdGFibGVyYW5nZTozNWEzMDc5YzU2ZTU0OWI4YTBiNTAyOTdjY2QyMDNjN18xLTEtMS0xLTA_552a1624-68d8-4c7b-ba99-e764335a3590">PNW</ix:nonNumeric></span></div></td><td colspan="3" style="border-bottom:1pt solid #00000a;border-left:1pt solid #00000a;border-right:1pt solid #00000a;border-top:1pt solid #00000a;padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6MzVhMzA3OWM1NmU1NDliOGEwYjUwMjk3Y2NkMjAzYzcvdGFibGVyYW5nZTozNWEzMDc5YzU2ZTU0OWI4YTBiNTAyOTdjY2QyMDNjN18xLTItMS0xLTA_ad0ff1b3-0565-4b7f-9364-8320aa7d3249">The New York Stock Exchange</ix:nonNumeric></span></div></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:43.713%"><tr><td style="width:1.0%"></td><td style="width:70.806%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.994%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:13pt;text-align:right"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Emerging growth company</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4e6e6101b72f4d679c27a1a077d9f524_D20201106-20201106" format="ixt-sec:boolballotbox" name="dei:EntityEmergingGrowthCompany" id="id3VybDovL2RvY3MudjEvZG9jOjYwYjQyNTQxOGZhODRlN2M5YjljZTE0ZGNlYWFiMTQ0L3NlYzo2MGI0MjU0MThmYTg0ZTdjOWI5Y2UxNGRjZWFhYjE0NF8xL2ZyYWc6NTU3ZjBiMWNiYThkNGU5YjlkN2U2ZDhlYTM3ODZiNmUvdGFibGU6NmFmNGJiMzYwYTkxNDI1ODk2NzZmYjBlZTBjMjg2ODIvdGFibGVyYW5nZTo2YWY0YmIzNjBhOTE0MjU4OTY3NmZiMGVlMGMyODY4Ml8wLTEtMS0xLTA_1b36b568-d19f-49f9-8cc5-d4b1cf9ddd6e">☐</ix:nonNumeric></span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. </span><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">¨</span></div><div><span><br/></span></div><div style="margin-bottom:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%">This combined Form 8-K is separately filed or furnished by Pinnacle West Capital Corporation and Arizona Public Service Company. Each registrant is filing or furnishing on its own behalf all of the information contained in this Form 8-K that relates to such registrant and, where required, its subsidiaries. Except as stated in the preceding sentence, neither registrant is filing or furnishing any information that does not relate to such registrant, and therefore makes no representation as to any such information.</span></div><div style="margin-bottom:12pt;text-indent:36pt"><span><br/></span></div><div style="margin-bottom:12pt;text-indent:36pt"><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i60b425418fa84e7c9b9ce14dceaab144_7"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="-sec-extract:summary"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 7.01    Regulation FD Disclosure.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The following information is furnished pursuant to Item 7.01.</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">Pinnacle West Capital Corporation (“Pinnacle West”) will be participating in various meetings with securities analysts and investors in November 2020 and will be utilizing handouts during those meetings. Copies of the handouts are attached hereto as Exhibit 99.1.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%">Item 7.01 Regulation FD Disclosure.</span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%">Item 8.01 Other Events.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:115%">Retail Rate Case Rebuttal Testimony</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">On November 6, 2020, Arizona Public Service Company (“APS”) filed its Rebuttal Testimony for its pending general retail rate case. The principal provisions of APS's Rebuttal Testimony which differ from APS’s requests in its initial application include, among other things:</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">a $169 million revenue increase (compared to the original request of $184 million)</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">an average annual bill increase of 5.14% (compared to the original requested increase of 5.6%)</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">a return on equity of 10% (compared to the original request of 10.15%)</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">a return on the increment of fair value rate base of 0.8% (compared to the original request of 1%)</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">a new cost recovery adjustor mechanism, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">the Advanced Energy Mechanism (“AEM”), to enable more timely recovery of clean investments as APS pursues its Clean Energy Plan</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">recognition that securitization financing is a potentially useful tool to recover the remaining book value of retiring assets and effectuate a transition to a cleaner energy future that APS intends to pursue, provided legislative hurdles are addressed</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">•</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.98pt">a Coal Community Transition (“CCT”) plan related to the closure or future closure of coal-fired generation facilities consisting of, among other things:</span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$100 million paid over 10 years to the Navajo Nation for a sustainable transition to a post-coal economy, which would be funded by customers</span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$1.25 million paid over five years to the Navajo Nation to fund an economic development organization, which will be funded by shareholders</span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$10 million to facilitate electrification projects within the Navajo Nation, which would be funded equally by customers and shareholders</span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$2.5 million per year in transmission revenue sharing to the Navajo Nation beginning after the closure of the Four Corners Power Plant through 2038, which will be funded by shareholders </span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$12 million paid over five years to the Navajo County Communities surrounding Cholla Power Plant, which would primarily be funded by customers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> </span></div><div style="padding-left:72pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">◦</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%;padding-left:13.93pt">$3.7 million paid over five years to the Hopi Tribe related to APS’s ownership interests in the Navajo Generating Station, which would primarily be funded by customers</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">The hearing for this rate case is currently scheduled to begin December 14, 2020.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> </span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%">APS cannot predict the outcome of this proceeding.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:115%"> For details regarding APS’s original requests in its general retail rate case, see Note 4 to the Pinnacle West/APS Quarterly Report on Form 10-Q for the quarter ended September 30, 2020.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">Item 9.01    Financial Statements and Exhibits.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:120%">    (d)    Exhibits</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:120%"> </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:93.421%"><tr><td style="width:1.0%"></td><td style="width:10.324%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.774%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:67.602%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Exhibit No.</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Registrant(s)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:700;line-height:100%">Description</span></td></tr><tr style="height:14pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">99.1</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pinnacle West<br/>Arizona Public<br/>Service Company</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#eei_2020investorpresenta.htm">Pinnacle West handouts for use at </a><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#eei_2020investorpresenta.htm">meetings</a><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#eei_2020investorpresenta.htm"> in </a><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#eei_2020investorpresenta.htm">November</a><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%;text-decoration:underline" href="#eei_2020investorpresenta.htm"> 2020</a></span></div></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">104</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11.5pt;font-weight:400;line-height:100%">Pinnacle West<br/>Arizona Public<br/>Service Company</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">104 Cover Page Interactive Data File (embedded within the Inline XBRL document)</span></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i60b425418fa84e7c9b9ce14dceaab144_10"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="margin-bottom:3pt;margin-top:12pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">SIGNATURES</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">    Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%">                        </span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:398.25pt"><tr><td style="width:1.0pt"></td><td style="width:139.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:13.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:240.25pt"></td><td style="width:1.0pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">PINNACLE WEST CAPITAL CORPORATION</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Registrant)</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Dated: November 6, 2020</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">By: /s/ Theodore N. Geisler</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Theodore N. Geisler</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Senior Vice President and</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Chief Financial Officer</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">ARIZONA PUBLIC SERVICE COMPANY</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">(Registrant)</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Dated: November 6, 2020</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">By: /s/ Theodore N. Geisler            </span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Theodore N. Geisler</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Senior Vice President and</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:100%">Chief Financial Officer</span></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div></body></html>