Excess wind and solar power are behind the technology developed by Energy Vault Inc.

The Westlake Village company takes the extra energy created by wind turbines and solar panels and store it, then releases it at peak demand times by lowering 35-ton blocks from an elevator-like shaft. The technology allows electric utilities and generation companies to adjust deliver of power to when customer need it, rather than when wind and solar is available.

Robert Piconi, co-founder and chief executive of Energy Vault, said the process is done with computerized control software with components of artificial intelligence.


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