Technology - 29/March/2019

Molten salt heat storage

Researchers in Germany are looking at further developing molten salt technology as a means to store heat and produce electricity

Policy: Germany will close its coal and lignite power stations within the next 20 years and is now working out how to go about it without disrupting electricity supply

Experiment: One solution being explored is to replace lignite or coal boilers with molten salt based thermal storage heated by surplus electricity from renewable sources

Aims: Lower the costs and improve the efficiency of molten salt technology

In January 2019, Germany agreed a roadmap for the step-by-step closure of its coal and lignite power station fleet by 2038. The federal government is now drafting legislation for implementation. Various solutions are being explored to help create a steady and secure electricity supply in a post-fossil fuel era. One is to replace lignite or coal boilers with molten salt based thermal storage heated by surplus electricity from renewable sources.
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