Defence Finance Monitor

Defence Finance Monitor

Jimmy Energy: Micro-SMR Architecture and Industrial Heat Decarbonization

Technical analysis of Jimmy Energy’s high-temperature gas-cooled reactors (HTGR). Mapping TRISO fuel integration and decentralized thermal power for European industrial sovereignty.

Dec 28, 2025
∙ Paid

Jimmy Energy is a Paris-based French deep-tech startup that designs small modular reactors (SMRs) to provide industrial process heat with near-zero carbon emissions[1][2]. Its flagship product is a high-temperature gas-cooled micro-reactor (“Thermal Generator”) delivering roughly 10–20 MW of thermal power, built around proven TRISO nuclear fuel particle…

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