20220504
4.44 MB
28
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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-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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:8pt;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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGV4dHJlZ2lvbjozZTdmNTlmYmJjMzg0Y2IxOTNjYjM4ZTU3ZmY5ZWVmNF8xNDI2_f3a89e34-23fc-46f6-abf0-ee6d13826412">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-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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:8pt;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 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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="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8xLTAtMS0xLTY1MDQ3_62abe490-bc8f-464d-a1b1-acf759bf9490">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8xLTItMS0xLTY1MDQ3_4faafb25-d6a8-437c-8f8f-81fa19de1d80">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8xLTctMS0xLTY1MDQ3_e6871ad7-ed89-401a-ac3f-a89d50926bb8">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8zLTItMS0xLTY1MDQ3_7a80b012-1ddf-4973-804a-d163ad3e9a3b">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV80LTItMS0xLTY1MDQ3_5254fd66-c2b9-48bc-a9d2-0aa061a696c9">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV80LTMtMS0xLTY1MDQ3_b342afed-e702-4acc-8060-410bf12a1e94">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV80LTQtMS0xLTY1MDQ3_251ccb0d-4df6-40d7-8c07-3dcafb0aa324">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV81LTItMS0xLTY1MDQ3_a86b8b30-5ec3-43ad-84bb-de0d1e732dce">(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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV81LTMtMS0xLTY1MDQ3_24c1089d-ccf5-4117-887f-e181b9678f1e">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityFileNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV82LTAtMS0xLTY1MDQ3_7beab9fe-3be3-4285-9f50-d71f5b1a47ae">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV82LTItMS0xLTY1MDQ3_31da3d02-f6bc-4605-98d1-edb4c9504192">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityTaxIdentificationNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV82LTctMS0xLTY1MDQ3_8c0d383b-4a01-4b43-bdf0-12437caa0d36">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV84LTItMS0xLTY1MDQ3_b8a22e5c-1f8b-4ac5-868d-f810282e6fa7">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV85LTItMS0xLTY1MDQ3_064e2d81-a856-4118-9f95-b692397aa9b6">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV85LTMtMS0xLTY1MDQ3_d85afae8-6dc5-4094-9779-3fcbd4ad566b">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV85LTQtMS0xLTY1MDQ3_0e74c587-4156-4fc2-a26f-185009bbb179">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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8xMC0yLTEtMS02NTA0Nw_1cbeaa21-8713-43aa-89e8-1199704ce2de">(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="iec862f4ed69b4c44ae81572f2a3db853_D20220504-20220504" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6NzQyYWQ1MDFhYjlmNDc2ZGE5MWExN2JlODkwYWEwYWUvdGFibGVyYW5nZTo3NDJhZDUwMWFiOWY0NzZkYTkxYTE3YmU4OTBhYTBhZV8xMC0zLTEtMS02NTA0Nw_a20196d8-8839-4ab0-89f1-f747c960dda1">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="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6YTNkNWM0ZTQ0NzkxNDNlMDg0ZGM2OWRkZDc3ZGI4ZWUvdGFibGVyYW5nZTphM2Q1YzRlNDQ3OTE0M2UwODRkYzY5ZGRkNzdkYjhlZV8wLTAtMS0xLTY1MDQ3_027ce461-89f3-4a93-a7dc-e2dd11a28131">☐</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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6YTNkNWM0ZTQ0NzkxNDNlMDg0ZGM2OWRkZDc3ZGI4ZWUvdGFibGVyYW5nZTphM2Q1YzRlNDQ3OTE0M2UwODRkYzY5ZGRkNzdkYjhlZV8yLTAtMS0xLTY1MDQ3_143ce08d-e30c-4347-bacc-c64a2521b033">☐</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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6YTNkNWM0ZTQ0NzkxNDNlMDg0ZGM2OWRkZDc3ZGI4ZWUvdGFibGVyYW5nZTphM2Q1YzRlNDQ3OTE0M2UwODRkYzY5ZGRkNzdkYjhlZV80LTAtMS0xLTY1MDQ3_af16506a-97ed-47c8-a46c-0bf189bc5f3d">☐</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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6YTNkNWM0ZTQ0NzkxNDNlMDg0ZGM2OWRkZDc3ZGI4ZWUvdGFibGVyYW5nZTphM2Q1YzRlNDQ3OTE0M2UwODRkYzY5ZGRkNzdkYjhlZV82LTAtMS0xLTY1MDQ3_c3ae4199-cf8e-4a6f-8a3d-4b0364403615">☐</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-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6ZjZjMTYxMWIwZmQ4NDBhY2IzMjUwNDhkMTFiNDcyODQvdGFibGVyYW5nZTpmNmMxNjExYjBmZDg0MGFjYjMyNTA0OGQxMWI0NzI4NF8xLTAtMS0xLTY1MDQ3_98e76256-0371-4f12-bb6e-d08a986d35bb">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6ZjZjMTYxMWIwZmQ4NDBhY2IzMjUwNDhkMTFiNDcyODQvdGFibGVyYW5nZTpmNmMxNjExYjBmZDg0MGFjYjMyNTA0OGQxMWI0NzI4NF8xLTEtMS0xLTY1MDQ3_4fadc499-a718-46e3-ad76-1626bfbc4dda">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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6ZjZjMTYxMWIwZmQ4NDBhY2IzMjUwNDhkMTFiNDcyODQvdGFibGVyYW5nZTpmNmMxNjExYjBmZDg0MGFjYjMyNTA0OGQxMWI0NzI4NF8xLTItMS0xLTY1MDQ3_9c2c6e3c-fb6a-49f6-8c21-c724bfc5b08d">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-top:5pt;text-indent:288pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;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="ie15f223e9b4949648ee3708955c1031f_D20220504-20220504" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOjEyZDNjYmI1MTI0ZTQ1ZTc5Y2U1YjJmYzE5ZDE3NmExL3NlYzoxMmQzY2JiNTEyNGU0NWU3OWNlNWIyZmMxOWQxNzZhMV8xL2ZyYWc6M2U3ZjU5ZmJiYzM4NGNiMTkzY2IzOGU1N2ZmOWVlZjQvdGFibGU6N2JjZjQzOThiMDEzNDlhZmFhNDc4MDkwYTUzYTg4OGEvdGFibGVyYW5nZTo3YmNmNDM5OGIwMTM0OWFmYWE0NzgwOTBhNTNhODg4YV8wLTEtMS0xLTY1MDQ3_ae388b1b-c1d9-4061-9774-412df800b74c">☐</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="i12d3cbb5124e45e79ce5b2fc19d176a1_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:11pt;font-weight:700;line-height:120%">Item 2.02. Results of Operations and Financial Condition.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:11pt;font-weight:400;line-height:120%">    The following information is furnished pursuant to Item 2.02.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">    On May 4, 2022, Pinnacle West Capital Corporation (“Pinnacle West”) issued a press release regarding its financial results for the fiscal quarter ended March 31, 2022. A copy of the press release is 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:11pt;font-weight:700;line-height:120%">Item 7.01. Regulation FD Disclosure.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:11pt;font-weight:400;line-height:120%">    The following information is furnished pursuant to Item 7.01.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">    Pinnacle West is providing a copy of the slide presentation made in connection with the quarterly earnings conference call on May 4, 2022. This information contains Pinnacle West operating results for the fiscal quarter ended March 31, 2022, earnings outlook for 2022 and a quarterly consolidated statistical summary. The slide presentation is attached hereto as Exhibit 99.2 and is concurrently being posted to Pinnacle West’s website at www.pinnaclewest.com. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Item 9.01.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">    </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Financial Statements and Exhibits.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;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:11pt;font-weight:700;line-height:120%">    (d)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">    </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Exhibits</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> </span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:91.228%"><tr><td style="width:1.0%"></td><td style="width:10.278%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.771%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:67.651%"></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:11pt;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:11pt;font-weight:700;line-height:100%">Registrant(s)</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:11pt;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:11pt;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:11pt;font-weight:400;line-height:100%">Pinnacle West<br/>Arizona Public 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:11pt;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:11pt;font-weight:400;line-height:100%;text-decoration:underline" href="#a8-kpnw03312022exhibit991.htm">Earnings News Release issued on May 4, 2022</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:11pt;font-weight:400;line-height:100%">99.2</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:11pt;font-weight:400;line-height:100%">Pinnacle West<br/>Arizona Public 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:11pt;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:11pt;font-weight:400;line-height:100%;text-decoration:underline" href="#a1q_2022xearningsxdeckxf.htm">Pinnacle West Capital Corporation First Quarter 2022 Results slide presentation accompanying May 4, 2022 conference call</a></span></div></td></tr></table></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="i12d3cbb5124e45e79ce5b2fc19d176a1_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: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 style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:480.00pt"><tr><td style="width:1.0pt"></td><td style="width:136.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:46.00pt"></td><td style="width:1.0pt"></td><td style="width:1.0pt"></td><td style="width:292.00pt"></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: May 4, 2022</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: May 4, 2022</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 style="text-align:center"><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div style="text-align:center"><span><br/></span></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>