Bloom Energy vs Constellation Energy
Side-by-side comparison of AI visibility scores, market position, and capabilities
San Jose solid oxide fuel cell manufacturer (NYSE: BE) at $1.47B 2024 revenue; $5B Brookfield partnership for AI data center deployment with 1.4 GW installed at 1,000+ sites competing with Cummins for distributed clean power.
About
Bloom Energy Corporation is a San Jose, California-based solid oxide fuel cell manufacturer — publicly traded on the New York Stock Exchange (NYSE: BE) — designing and manufacturing the Bloom Energy Server (Bloom Box), a distributed on-site power generation system that converts natural gas, biogas, or hydrogen into electricity through electrochemical conversion rather than combustion. Founded in 2001 by CEO KR Sridhar, who originally developed solid oxide fuel cell technology for NASA's Mars program, Bloom Energy has installed approximately 1.4 gigawatts of systems at over 1,000 locations across nine countries, serving customers including Google, Walmart, Equinix, and Apple. In fiscal year 2024, Bloom Energy reported annual revenue of $1.47 billion. In 2025, Bloom Energy announced a $5 billion strategic partnership with Brookfield Asset Management to deploy fuel cell technology across AI data centers globally — positioning Bloom Energy as a primary power solution for the surging energy demand from artificial intelligence infrastructure, with a European site expected before end of 2025. Bloom Energy went public in 2018 after raising over $1 billion in venture capital.
Baltimore largest US nuclear operator (NASDAQ: CEG) at $23.6B FY2024 revenue; 21 reactors, Three Mile Island restarted Sept 2024 for Microsoft AI data center, 24/7 carbon-free power competing with Vistra and NRG.
About
Constellation Energy Corporation is a Baltimore, Maryland-based clean energy company — publicly traded on NASDAQ (NASDAQ: CEG) as an S&P 500 Utilities component with a market capitalization of approximately $70 billion — operating the United States' largest fleet of carbon-free nuclear power plants with 21 nuclear reactors at 13 generating stations across Illinois, Pennsylvania, Maryland, New Jersey, and New York, through approximately 13,000 employees generating approximately 10% of all clean electricity in the United States. In fiscal year 2024, Constellation Energy reported revenue of $23.6 billion. Constellation was separated from Exelon Corporation in February 2022, when Exelon spun off its power generation business as an independent company while retaining the regulated utility subsidiaries (ComEd, PECO, BGE, Pepco, Delmarva, Atlantic City Electric). CEO Joe Dominguez leads Constellation's strategy of capitalizing on the AI data center electricity demand surge — nuclear power's unique combination of 24/7 carbon-free reliability makes Constellation the preferred clean power supplier for tech companies' 24/7 carbon-free electricity commitments that intermittent wind and solar cannot fulfill. Constellation's landmark achievement was the September 2024 restart of Three Mile Island Unit 1 (renamed Crane Clean Energy Center) — the reactor that operated safely for decades before closing in 2019 due to economic competition from cheap natural gas — under a 20-year power purchase agreement with Microsoft to supply the data center campus supporting Microsoft's Azure AI infrastructure in Pennsylvania.
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