Renewable energy mix on the island of Pellworm
North Sea island belonging to the North Frisian archipelago, the surface extends for 37,44 km² for 1200 inhabitants. The combination of wind, photovoltaic, biogas and large accumulators (lithium-ion), multiple domestic batteries (redox flow technology) and smart meters, ensure on average 21 GWh / year of electricity, three times the need ...

