Attachment: 8-K


pnw-20210503.xsd
Attachment: XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT


pnw-20210503_cal.xml
Attachment: XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT


pnw-20210503_def.xml
Attachment: XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT


pnw-20210503_lab.xml
Attachment: XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT


pnw-20210503_pre.xml
Attachment: XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT