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Pinnacle West Capital Corporation (PNW)
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Pinnacle West Capital Corporation (PNW) Interest Expense

The interest expense for Pinnacle West Capital Corporation (PNW) is $421.97 Million with a year-over-year change of +11.79%. Interest expense is the cost a company incurs for borrowed funds, including interest on bonds, loans, and other forms of debt financing.

PNW Interest Expense

PNW Interest Expense Chart

$421.97M

Reported annual fiscal-period values; no daily interpolation.

+136.13% 10Y

Current Interest Expense

$421.97M

$421.97 Million

Year-over-Year Change

+11.79%

vs. $377.47M prior year

Historical Data

30

Years of data available

Annual Interest Expense History

YearInterest ExpenseYoY Change% Change
2025$421.97M+$44.50M+11.79%
2024$377.47M+$46.15M+13.93%
2023$331.32M+$75.78M+29.66%
2022$255.54M+$22.28M+9.55%
2021$233.26M+$4.29M+1.87%
2020$228.97M+$12.25M+5.65%
2019$216.72M$-1.56M-0.72%
2018$218.28M+$20.60M+10.42%
2017$197.68M+$11.93M+6.42%
2016$185.75M+$7.04M+3.94%
2015$178.71M$-6.79M-3.66%
2014$185.49M$-1.53M-0.82%
2013$187.03M$-12.62M-6.32%
2012$199.65M$-23.99M-10.73%
2011$223.64M$-4.00M-1.76%
2010$227.63M+$4.52M+2.03%
2009$223.11M+$25.64M+12.99%
2008$197.47M$-15.15M-7.13%
2007$212.62M+$15.79M+8.02%
2006$196.83M+$11.74M+6.34%
2005$185.09M$-10.77M-5.50%
2004$195.86M$-8.73M-4.27%
2003$204.59M+$204.59M
2002$0+$0
2001$0+$0
2000$0+$0
1999$0+$0
1998$0+$0
1997$0+$0
1996$0
Data as of Wednesday, June 24, 2026

About Pinnacle West Capital Corporation

Pinnacle West Capital Corporation (PNW), primarily operating through its Arizona Public Service Company (APS) subsidiary, delivers retail and wholesale electricity services predominantly within Arizona. The company manages the full scope of electricity provision, encompassing generation, transmission, and distribution, leveraging a diverse energy portfolio that includes coal, nuclear, natural gas, oil, and solar power facilities. Its robust infrastructure for power delivery features approximately 5,814 pole miles of overhead transmission lines and roughly 74 miles of subterranean transmission lines. For distribution, the company maintains about 11,258 miles of overhead lines and an estimated 22,821 miles of underground primary cabling. This network is further supported by 475 owned and managed transmission and distribution substations. PNW possesses or leases roughly 6,323 megawatts of regulated power generation capacity and supplies electricity to an estimated 1.3 million customers. Established in 1985, Pinnacle West Capital Corporation's corporate headquarters are situated in Phoenix, Arizona.

Phoenix, AZ
94 employees
Utilities / Regulated Electric
Sector
Utilities
Industry
Regulated Electric
CEO
Theodore N. Geisler