NRGV is the more innovative of the two. For example, they combine hydrogen with BESS or hydropower. [https://www.energyvault.com/projects/minieradenergia](https://www.energyvault.com/projects/minieradenergia) [https://pv-magazine-usa.com/2025/09/30/california-hybrid-hydrogen-fuel-cell-and-battery-storage-facility-is-now-online/](https://pv-magazine-usa.com/2025/09/30/california-hybrid-hydrogen-fuel-cell-and-battery-storage-facility-is-now-online/)

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