Blykalla is a Swedish developer of next-generation nuclear power, commercializing its advanced lead-cooled reactor, SEALER, for the US and European markets. Designed for hyperscalers and energy-intensive industries, the 55 MWe SEALER provides high-density, dispatchable power for on-site deployment.
Building on over 25 years of research, Blykalla has overcome historical material challenges in lead-cooled reactors through patented aluminum-alloyed steels that form a self-healing protective layer, enabling long-term commercial deployment. Backed by partners including Oklo, Uniper, and ABB, Blykalla aims to become a reliable, clean power provider for the global AI and industrial economy.