Johan Salwén
Material and Welding Engineer – EngineeringI have several years of professional experience in welding and metallurgy at one of the world leading manufacturer in advanced stainless steels and special alloys. My background is material science and international welding engineer (IWE). My passion is always continuing developing my knowledge and at the same time share it with my colleagues. For me it is important to always have a drive to want to improve the properties of the material and the weld.
As a person I am structured, thorough, creative and a team player. I enjoy working in a role where I have close contact with my colleagues, customers and production. It is especially interesting and fun working with the development from concept to finished product.
In my role at Blykalla, I am responsible for the material and welding selections for the future lead cold nuclear reactor. It is important for me to build a safe and cost saving reactor that in the future can help everyone in the world to have a stable electricity and hopefully by this make a better world by reducing the carbon dioxide emissions.
Some of my colleagues
About Blykalla
Blykalla is Sweden's only SMR vendor, commercializing lead-cooled fast reactors for industrial use. Based on 20+ years of research, their SEALER technology is a compact 55 MWe unit designed to offer a safe, efficient, and scalable power solution. With a strong foundation within Sweden, Blykalla is well positioned to deliver Europe's first advanced SMR, providing reliable and sustainable baseload energy to power AI and clean industries.
Backed by partners such as Uniper, ABB, KSB, Höganäs, and the Royal Institute of Technology, Blykalla has secured close to EUR 50 million in funding, including a SEK 99 million grant from the Swedish Energy Agency and a EUR 17 million investment from the EU. The company plans to complete its first SEALER reactor by 2030 and begin serial production in the 2030s. By 2050, their technology could generate up to 500 TWh of clean electricity annually, cutting global CO₂ emissions by 0.5 gigatons each year.
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