Steady Energy Develops Small Modular Reactor for Heat Transition in Germany Amid Controversy
Steady Energy, led by former EnBW manager Ulrich Gräber, is developing a Small Modular Reactor (SMR) to provide low-temperature heat for Germany's energy transition. The project claims to exploit a legal loophole in nuclear energy legislation. However, critiques highlight conflicts of interest and economic feasibility concerns, pointing out that the pilot project is essentially a large electric heater, not a functioning reactor. A study by VTT indicates potential profitability, but relies on optimistic assumptions and fails to compare with renewable alternatives.
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Steady Energy is working on a Small Modular Reactor (SMR) to generate low-temperature heat (120-150°C) for Germany’s energy transition, led by ex-EnBW manager Ulrich Gräber. The project claims to exploit a legal gap in nuclear law, but it faces scrutiny over its viability.
The pilot project announced in February 2026 in Helsinki is a replica using an electric resistor rather than a functional reactor. A feasibility study from VTT suggests profitability for the LDR-50 reactor model, but it relies on unrealistic assumptions regarding construction time and investment costs.
Critics argue the comparison to current systems overlooks efficient alternatives like heat pumps. The economic reality for Germany remains unfavorable, as existing renewable technologies are more viable and ready for deployment.
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