Jimmy Energy
Updated: August 28, 2026
Founders: Antoine Guyot, Mathilde Grivet
Country: France | Funding: €15M (+)
Website: https://www.jimmy-energy.eu/
Jimmy designs and operates nuclear-reactor-based thermal generators to produce and supply industrial clients with decarbonized process heat at a lower cost than fossil fuels, with a secured price over 20 years. It's nuclear reactor with no turbine, no generator and no grid connection is a 131-foot box running helium at 1,382 degrees and TRISO fuel
Website: https://www.jimmy-energy.eu/
Jimmy designs and operates nuclear-reactor-based thermal generators to produce and supply industrial clients with decarbonized process heat at a lower cost than fossil fuels, with a secured price over 20 years. It's nuclear reactor with no turbine, no generator and no grid connection is a 131-foot box running helium at 1,382 degrees and TRISO fuel
