Exelon vs Ameren
Side-by-side comparison of AI visibility scores, market position, and capabilities
Chicago Mid-Atlantic/Midwest regulated utility (NASDAQ: EXC) ~$21.6B FY2024 revenue; ComEd/PECO/BGE/Pepco/Delmarva/ACE 10.2M customers, $34.5B capex 2024-2027, Constellation spinoff 2022 competing with PSEG and Dominion.
About
Exelon Corporation is a Chicago, Illinois-based regulated electric and gas utility holding company — publicly traded on the NASDAQ (NASDAQ: EXC) as an S&P 500 Utilities component — serving approximately 10.2 million electric and gas customers across six regulated utilities: Commonwealth Edison (ComEd — Chicago and Northern Illinois), PECO Energy (Philadelphia and southeastern Pennsylvania), BGE (Baltimore Gas and Electric — Baltimore metro), Pepco (Washington DC and suburban Maryland), Delmarva Power (Delaware and Eastern Shore), and Atlantic City Electric (southern New Jersey) through approximately 21,000 employees. In fiscal year 2024, Exelon reported revenues of approximately $21.6 billion and adjusted EPS of $2.40, as the company managed through its first full year as a pure-play regulated utility following the February 2022 separation of Constellation Energy (the competitive nuclear generation business) as an independent public company — Exelon retaining only the regulated utility distribution and transmission subsidiaries serving Mid-Atlantic and Midwest metropolitan areas. CEO Calvin Butler (joined as CEO in November 2022) leads Exelon's strategy of executing the regulated utility capital plan: $34.5 billion in capital investment over 2024-2027 for distribution system upgrades, grid modernization, electric vehicle charging infrastructure, and regulatory compliance investments across the six utility service territories. Exelon's Mid-Atlantic service territory (Washington DC, Baltimore, Philadelphia, and Chicago) includes the densest concentration of federal government facilities, healthcare systems, and university campuses in the US — creating anchor commercial customers with high-reliability requirements that support premium rate case arguments.
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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