Installed by Switzerland-based MET Group, the project is powered by Tesla Megapack 2 units, supplied by Huawei Technologies’ battery units, and built by Forest-Vill and follows a smaller 4 MW / 8 MWh pilot at the same site in 2022.
[pdf] Swiss energy company MET Group has inaugurated the largest stand-alone electricity storage system in Hungary’s history. The new installation, located at the Dunamenti power plant in Százhalombatta near Budapest, has a rated power output of 40 MW and an energy storage capacity of 80 MWh.
[pdf] These forms range from high-voltage direct current (HVDC) converter stations to the flexible ac transmission system (FACTS) devices that are used to control and regulate ac power grids, variable-speed drives for motors, interfaces with storage devices of several types, interfacing of distributed energy resources with the grid, the electric drive in transportation systems, fault current–limiting devices, the solid-state distribution transformer, and transfer switches.
[pdf] 
