“The energy storage industry is all about incremental improvements, so it’s rare to see a product come to market that does something radically different.
That happened last week when the stealthy Swiss/Southern Californian startup Energy Vault went public with an unusually creative grid storage concept. It devised a six-armed crane that stacks concrete blocks with cheap and abundant grid power, and drops them down to retrieve electricity when needed.
The company pitches this as a durable, trustworthy solution for the thorny problem of storing electricity for long periods of time.”
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