This company is building such a system, to shift home rooftop solar power into the winter. (To shift from day to night, batteries are more efficient.) https://w

This company is building such a system, to shift home rooftop solar power into the winter. (To shift from day to night, batteries are more efficient.) https://www.homepowersolutions.de/en/product/ https://www.homepowersolutions.de/en/product/