Steady Energy is developing the LDR-50 small modular reactor with the initial goal of decarbonising district heating systems. The CEO of the Finnish company, Tommi Nyman, explains why the decision to focus on heat rather than electricity was taken.The company was spun out of VTT, Finland's national research lab, and was prompted by its researchers noting that 10% of CO2 emissions come from heating water or steam to 150C and thinking "why not build something simple that would only cover low te...