pv magazine
Summary
Finnish startup Polar Night Energy has announced a new pilot project that will test the next generation of its sand battery technology.
The sand battery pilot plant will build on the company’s existing technology, which stores thermal energy for industrial or district heating, and will be capable of converting the stored thermal energy back into electricity, a process known as power-to-heat-to-power (P2H2P).
The project will be built in Valkeakoski, southern Finland, in collaboration with Valkeakosken Energia, an energy company owned by the city. Construction is due to begin in autumn this year. The site will feature a thermal energy storage unit and technical building covering nearly the entire plot.
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