Underwater gravity energy storage has been proposed as an ideal solution for weekly energy storage, by an international group of scientists. The novel technology is considered an alternative to pumped-hydro storage for coasts and islands without mountains that are located close to deep waters, and may also be interesting for PV if used to store green hydrogen.
The 50 kW version of the new inverter features an efficiency of 98.6% and a European efficiency of 98.1%. It can be deployed with a decentralised approach, next to the PV modules, or centralised, at the grid connection point.
Production of high-efficiency solar PV modules in the Austrian region of Carinthia should commence as early as December 2018. Using a fully automated production line, Energetica Industries says it is well equipped for competition with Asian manufacturers.
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