Grenada energy vault battery

How long does a G-vault battery last?

Energy Vault sells the product on longevity: Batteries degrade, but if a G-Vault works for 35 years, the levelized cost of storage goes down. This requires selling to the sorts of companies willing to sink money into novel assets with a longer promised life expectancy than the well-understood lithium-ion options.

What is Energy Vault?

Energy Vault initially pitched itself as a long-duration storage hardware breakthrough; it was answering the clarion call to turn variable renewable generation into something like a dependable baseload power source. Sign up to get Canary's daily newsletter and stay on top of our latest headlines.

Should Energy Vault switch to a more conventional grid storage business?

Given that context, if switching from transformative technology to a more conventional grid storage business brings in more revenue now, Energy Vault’s investors may think that’s just fine. Julian Spector is a senior reporter at Canary Media.

Why did PG&E choose Energy Vault?

Utility PG& E separately chose Energy Vault to provide clean backup power for the town of Calistoga when wildfire risks prompt power shutoffs. The assignment was to provide at least two days’ worth of power without the broader grid, and at a lower price than trucking in mobile diesel generators.