Pinnacle West Capital
PNW · NYSE · Utilities
$94.21
$1.36 (-1.44%) today
Market Cap
$11.42B
24h Volume
$236.2M
P/E Ratio
18.1
52w High
$108.38
52w Low
$82.87
Est. AI Revenue
8%
7-Day Sparkline (Static)
Company facts
Performance
About Pinnacle West Capital
Pinnacle West Capital is the holding company for Arizona Public Service, the largest electric utility in Arizona. APS generates, transmits and distributes electricity to customers across the state, including the Phoenix metro, and earns returns approved by Arizona regulators on its infrastructure investment.
Phoenix has become one of the country's busiest markets for data centers and advanced manufacturing. The TSMC semiconductor complex and multiple hyperscaler data center campuses sit in or near APS territory, and large-load customers dominate the utility's disclosed growth pipeline. APS also operates the Palo Verde Generating Station, one of the largest nuclear plants in the United States, giving it carbon free firm power that data center operators value.
Founded in 1985 and headquartered in Phoenix, Pinnacle West employs about 6,600 people and trades on the NYSE.
Pinnacle West Capital in the AI buildout
Pinnacle West sits in the Utilities & Grid layer of the AI buildout. Phoenix ranks among the top US data center markets, and APS is the utility that connects those campuses, along with the TSMC semiconductor ecosystem growing around them. Its load growth runs among the highest of any US utility, driving new generation, storage and transmission investment. Palo Verde's nuclear output adds firm, carbon free supply. As a regulated utility, though, Pinnacle West earns approved returns on that buildout rather than AI revenue.
PNW is tracked in Utilities & Grid, rated Peripheral on the AI Exposure leaderboard.
By the numbers
52-week range
PNW trades at $94.21, 44% of the way up its 52-week range of $82.87 to $108.38.
Market cap
Market capitalization is $11.42B, with an AI Exposure Score of 27 out of 100.
Valuation vs peers
Its P/E ratio of 18.1 is below the Utilities & Grid category median of 21.7.
Next earnings
Pinnacle West Capital is next expected to report earnings on November 3, 2026.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does Pinnacle West Capital do?
Pinnacle West Capital is the parent of Arizona Public Service, Arizona's largest electric utility. APS generates and delivers electricity across the state, including the Phoenix metro, and operates the Palo Verde Generating Station, one of the largest US nuclear plants.
How is Pinnacle West Capital exposed to AI?
Phoenix is one of the fastest growing data center and semiconductor markets in the country, and large-load customers dominate APS's disclosed growth pipeline. Supercycle rates it Peripheral with an AI Exposure Score of 27 out of 100.
Why is Phoenix important to the AI buildout?
The Phoenix metro combines available land, growing transmission and the TSMC semiconductor complex, making it a magnet for hyperscaler data centers and chip suppliers. APS is the utility that powers most of that growth.
Who leads Pinnacle West?
Theodore N. Geisler serves as CEO. The company is headquartered in Phoenix, Arizona, employs about 6,600 people, and was founded in 1985. Its shares trade on the New York Stock Exchange under the ticker PNW.
Is PNW a pure play AI stock?
No. Pinnacle West is a regulated utility earning approved returns on infrastructure in Arizona. Data center and semiconductor load drives its growth, but Supercycle classifies it as Peripheral rather than a pure play.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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