9 Accumulators, namely, storage batteries; hydrogen-based energy system featuring fuel cell technology comprised of solar batteries, fuel cells, and accumulators, namely, storage batteries; hydrogen-based electricity generators with fuel cell technology comprised of water-electrolysis hydrogen generators, hydrogen storage tank, fuel cells, water supply installations for feeding water for industrial purposes and accumulators, namely, electric storage batteries; downloadable and recorded computer programs for estimating and controlling the most appropriate distribution of electrical power; downloadable and recorded computer programs for controlling the most appropriate supply of electrical power and hot water in case of disasters