v3.26.1
Revenue (Tables)
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue
The following table provides detail of Pinnacle West’s consolidated revenues disaggregated by revenue sources (dollars in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Retail Electric Service
Residential$695,702 $651,666 $1,189,403 $1,100,589 
Non-Residential708,268 654,038 1,310,001 1,178,895 
Wholesale Energy Sales13,709 17,893 28,685 42,717 
Transmission Services for Others29,188 31,996 61,215 57,543 
Other Sources8,882 3,158 16,042 11,287 
Total Operating Revenues$1,455,749 $1,358,751 $2,605,346 $2,391,031 
Schedule of Allowance for Doubtful Accounts
The following table provides a rollforward of Pinnacle West’s allowance for doubtful accounts (dollars in thousands):

Six Months EndedYear Ended
June 30, 2026December 31, 2025
Balance at beginning of period$25,495 $24,849 
Bad debt expense13,528 28,603 
Actual write-offs(16,618)(27,957)
Balance at end of period$22,405 $25,495