Summary: Liechtenstein is embracing solar energy storage solutions to achieve energy independence. New study: Grid-friendly operation of private battery storage systems With mandatory PV and the switch to environmentally friendly heating systems, Liechtenstein's buildings are to be supplied with energy in a more secure and climate-friendly way in future. Why Liechtenstein? A. The Liechtenstein Group recently entered into a joint venture agreement with Spanish solar PV developer Glide Energy with the aim of developing several photovoltaic and battery storage. We are active in the field of Renewable Energy, with a focus on the areas of wind power, hydropower, and. Battery energy system storage Liechtens, has been operational since December 1949. In 2011-2015, it underwent a reconstruction that converted it into a umped-storage hydroelectric power station.