Research and Development Initiative
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Supporting industry digital transformation through R&D and demonstrations
The NRC approved something unprecedented in January 2026: replacing the analog safety controls at an operating nuclear reactor with fully digital systems. Constellation's $167 million upgrade at Limerick transforms control rooms built in the 1980s into modern digital command centers—the first time regulators have greenlit swapping multiple analog safety systems for a single digital platform while fuel rods are still running. The industry has been trying to make this leap for 30 years, blocked by regulatory caution and the stakes of getting it wrong. Just days after securing this approval, Constellation completed its acquisition of Calpine Corporation on January 7, 2026, creating the nation's largest electricity producer with over 55,000 megawatts of generating capacity across nuclear, natural gas, and geothermal assets.
Updated Feb 5
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