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Other Income and Other Expense (Tables)
 9 Months Ended
Sep. 30, 2022
Other Income and Expenses [Abstract]  
Schedule of other income and other expense The following table provides detail of Pinnacle West’s Consolidated other income and other expense (dollars in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
Other income:
Interest income$1,785 $1,602 $5,118 $5,236 
Debt return on Four Corners SCR deferrals (Note 4)— 4,091 — 12,266 
Debt return on Ocotillo modernization project (Note 4)— 6,386 — 19,169 
Miscellaneous434 4 487 48 
Total other income$2,219 $12,083 $5,605 $36,719 
Other expense:
Non-operating costs(2,956)(2,973)(9,110)(9,013)
Investment losses — net(935)(704)(2,191)(1,478)
Miscellaneous(2,854)(2,505)(3,450)(4,728)
Total other expense$(6,745)$(6,182)$(14,751)$(15,219)
The following table provides detail of APS’s other income and other expense (dollars in thousands):

 Three Months Ended
September 30,		Nine Months Ended
September 30,
 2022202120222021
Other income:    
Interest income$1,402 $1,118 $3,897 $3,645 
Debt return on Four Corners SCR deferrals (Note 4)— 4,091 — 12,266 
Debt return on Ocotillo modernization project (Note 4)— 6,386 — 19,169 
Miscellaneous259 2 312 40 
Total other income$1,661 $11,597 $4,209 $35,120 
Other expense:  
Non-operating costs(2,369)(1,892)(6,407)(7,284)
Miscellaneous(654)(304)(1,250)(2,523)
Total other expense$(3,023)$(2,196)$(7,657)$(9,807)