Calogena is a French nuclear startup at Step 2 of the ASNR regulatory review (preparatory review) alongside Naarea and Thorizon (for its French operations). Calogena focuses on industrial heat applications — targeting decarbonisation of industrial processes requiring high-temperature heat. The company is part of France's vibrant SMR startup ecosystem that the France 2030 programme has catalysed. The ASNR regulatory framework creates a trusted pathway that is attracting private capital and accelerating development timelines.