Pinnacle West Capital vs Ameren
Side-by-side comparison of AI visibility scores, market position, and capabilities
Phoenix AZ regulated utility (NYSE: PNW) at $5.12B 2024 revenue, net income +21%; TSMC/Intel semiconductor fab + data center load growth driving 2.1% customer growth and 5.7% weather-normalized sales increase.
About
Pinnacle West Capital Corporation is a Phoenix, Arizona-based regulated electric utility holding company — publicly traded on the New York Stock Exchange (NYSE: PNW) as an S&P 500 Utilities component — providing electricity generation, transmission, and distribution services to approximately 1.4 million customers across 11 of Arizona's 15 counties through its primary subsidiary Arizona Public Service Company (APS), through approximately 6,000 employees. In full year 2024, Pinnacle West reported net income of $608.8 million ($5.24 per diluted share, +21.38% year-over-year) and consolidated revenue of $5.12 billion (+9.13%), driven by new customer rates approved in APS's rate case settlement, 2.1% customer growth across Greater Phoenix, and a 5.7% increase in weather-normalized sales from rapidly expanding semiconductor fabrication and data center operations. Arizona's economic growth — led by TSMC's $65 billion fab complex in North Phoenix, Intel's Chandler fabrication campus, and the accelerating hyperscale data center build in the Phoenix metropolitan area — positions APS as one of the highest-load-growth regulated utilities in the United States. CEO Jeff Guldner leads the company through an era of unprecedented demand growth requiring substantial transmission and distribution investment to serve the new large industrial and commercial loads.
St. Louis MO regulated utility (NYSE: AEE) ~$8.2B revenue; 2.4M electric + 900K gas customers in MO/IL, 250MW solar project near Callaway Nuclear (2028), formula rate in Illinois competing with Evergy.
About
Ameren Corporation is a St. Louis, Missouri-based regulated electric and natural gas utility holding company — publicly traded on the New York Stock Exchange (NYSE: AEE) as an S&P 500 Utilities component — serving approximately 2.4 million electric customers and 900,000 natural gas customers in Missouri and Illinois through two primary regulated subsidiaries: AmerenMissouri (electric and gas in Missouri, including the Callaway Nuclear Power Station — Missouri's only commercial nuclear plant) and AmerenIllinois (electric and gas distribution across central and southern Illinois), through approximately 9,000 employees. In fiscal year 2024, Ameren reported revenue of approximately $8.2 billion, with continued capital investment in transmission upgrades, distribution modernization, and renewable energy additions. Ameren Missouri's clean energy transition includes the announced Reform Renewable Energy Center — a 250-megawatt solar facility near the Callaway Nuclear site, with construction beginning in 2026 and expected to power 44,000 homes by 2028, creating 300 construction jobs. CEO Martin Lyons, who succeeded Warner Baxter in 2022, has maintained Ameren's steady capital investment trajectory targeting 6-8% annual EPS growth through infrastructure modernization and renewable energy additions in both states. The company's transmission infrastructure — spanning MISO (Midcontinent Independent System Operator) in Missouri and PJM Interconnection in Illinois — positions Ameren to benefit from grid investment programs enabling renewable energy integration across the Midwest.
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