Technical FAQs 3

Which energy storage projects have been commissioned in Switzerland?

Axpo commissioned its BESS in February this year while utility Thurplus commissioned a 3MW system in September last year. But Switzerland was the location for one of the largest energy storage projects commissioned in recent years, a 20GWh pumped hydro energy storage (PHES) unit which started operations in June 2022 in the Canton of Valais.

Is MW storage the country's largest battery storage project?

MW Storage is a developer of BESS projects which is also active in the German market, with a 100MW/200MWh project underway that it claimed is the country’s largest. The inauguration ceremony for the BESS project. Image: EWS AG. EWS AG and MW Storage have expanded a battery storage project in Switzerland to 28MW, making it the country's largest.

What is the Coalition for green energy & storage (CGES)?

This initiative was founded by the ETH Domain. The founders ETH Zurich, EPFL, PSI and Empa launched the Coalition for Green Energy & Storage (CGES) in 2023 as the first joint initiative to face the energy crisis in 2023.

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