Alpiq will manage the largest, most powerful battery in Switzerland on behalf of MW Storage AG for a period of five years.
Energy from the battery system will be used on the ancillary services market to stabilise the transmission grid.
In a second step, Alpiq will apply to the national transmission grid operator, Swissgrid, to also qualify the battery for primary control power.
The 20MW battery storage facility will go into operation in the third quarter of 2020 in Brunnen in the Canton of Schwyz.
The battery has been funded by private investors and has a capacity of 18 MWh, a volume equivalent to seven shipping containers. The stored energy could be used to simultaneously operate around 11,000 computers for twelve hours or drive 1,400 electric cars a distance of around 100 kilometres each.
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