First commercial gravity-based energy storage tower begins commissioning

There are many ways to store energy, from electrochemical batteries, to pumped hydro, to iron-air batteries, to flywheels, and more. Energy Vault has taken a new approach, building towers with electric motors that lift and lower large blocks, making use of gravity’s force to dispatch electricity when it is needed.

The Switzerland and California-based company announced that it is entering the first phases of commissioning for its first commercial-scale gravity energy storage system (GESS). Slated to be fully grid-interconnected in Q4 2023, the gravity tower will mark the world’s first non-pumped hydro gravity-based storage facility.

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