German firm hits energy independence with solar, batteries, hydrogen

Esysteme21 has built a 100% self-sufficient energy system with photovoltaics, hydrogen and battery storage. The German solar company describes the concept as a solution for medium-sized enterprises. From pv magazine Germany Esysteme21, a German solar company, claims to have achieved complete energy self-sufficiency using photovoltaics, hydrogen, and battery storage. It is now offering this option to industrial and commercial customers. Norbert Unterharnscheidt, managing director of Esysteme21, told pv magazine that their energy costs for electricity and heat now average €0. 25 ($0. 27)/kWh. Initially, ...

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