Pinnacle West Capital vs Marathon Petroleum
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.
Findlay OH petroleum refining (NYSE: MPC); largest US refiner 3M barrels/day, CEO Maryann Mannen elected Chairman (Jan 2026), MPLX midstream MLP, Martinez renewable diesel conversion competing with Valero and Phillips 66.
About
Marathon Petroleum Corporation is a Findlay, Ohio-based petroleum refining and midstream company — publicly traded on the New York Stock Exchange (NYSE: MPC) as an S&P 500 Energy component — operating the largest crude oil refining system in the United States with 13 refineries and approximately 3 million barrels per day of crude oil processing capacity across Texas, Louisiana, Illinois, Michigan, Ohio, North Dakota, California, and Washington, along with a majority ownership interest in MPLX LP (NYSE: MPLX), a midstream pipeline, terminal, and marine vessel MLP that gathers, processes, transports, and stores crude oil, natural gas, and petroleum products. In a defining leadership development, Marathon Petroleum's board elected CEO Maryann T. Mannen as Chairman of the Board effective January 1, 2026, succeeding Michael Hennigan who retired after leading the company through the Speedway divestiture and pandemic recovery — consolidating corporate governance leadership in Mannen following her tenure as CEO during which she managed the company's operations and capital allocation strategy. Marathon Petroleum's large-scale refining system (including the Galveston Bay refinery in Texas City as the largest US refinery at 631,000 barrels/day) processes crude oil into gasoline, diesel, jet fuel, and specialty products distributed through branded Speedway (sold to 7-Eleven in 2021) and independent dealer networks and MPLX's logistics infrastructure.
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