Energy Vault
$NRGV Listed NYSE ©️ 2023 Energy Vault, Inc. All Rights Reserved.
185 employees · est. 2017 · Westlake Village, United Sta...
Plus Power
Plus Power develops battery energy storage systems that enable a more efficient and reliable electrical grid.
228 employees · est. 2018 · San Francisco, United States
Energy Vault is the older company (2017 vs 2018); Plus Power is the larger of the two.
Side-by-Side Comparison
| Metric | Energy Vault | Plus Power |
|---|---|---|
| Founded | ||
| Founded | 2017 older | 2018 |
| Headquarters | ||
| Headquarters | Westlake Village, United States | San Francisco, United States |
| Employees | ||
| Employees | 185 | 228 larger |
| Industry | ||
| Industry | Energy, Renewable Energy, Energy Storage | Energy, Renewable Energy, Energy Storage |
| Funding Stage | ||
| Funding Stage | Post Ipo Equity | Debt Financing |
| Total Funding | ||
| Total Funding | $776.00M | $2.12B |
| Funding Rounds | ||
| Funding Rounds | 12 | 3 |
| Services | ||
| Services | Deployment of Energy Storage Systems, Energy Storage Solutions Development, Energy Management Software (VaultOS™), Integrated Energy Project Management, Sustainable Energy Solutions | Not tracked yet |
| Target Customers | ||
| Target Customers | Utility Companies, Industrial Energy Consumers, Renewable Energy Producers, Energy Project Developers, Infrastructure Investors | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Utility-scale Energy Storage, Gravity-based Storage, Battery Storage, Green Hydrogen Energy Storage, Energy Management Software, Integration Platform, Short-duration Energy Storage, Long-duration Energy Storage, Levelized Energy Costs, Power Reliability, Eco-friendly Materials, Circular Economy, Modular Energy Systems, Kinetic Energy Technology, Renewable Energy Transition | Battery Energy Storage, Electrical Grid Efficiency, Utility-scale Energy Storage, Energy Storage Projects, Transmission-connected Battery Storage, Electric Utility Partnerships, Operating Cost Reduction, Ancillary Services, Renewable Energy Executives, Energy Technology, Finance, Transmission Infrastructure, Energy Industry |
| Website | ||
| Website | energyvault.com | pluspower.com |
About Energy Vault
Energy Vault is a dynamic player in the energy sector, focusing on transformative utility-scale energy storage solutions. Founded in 2017 and headquartered in the United States, the company specializes in energy, renewable energy, and energy storage. Its proprietary technologies include gravitationa...
About Plus Power
Plus Power is a US-based startup founded in 2018 that focuses on developing battery energy storage systems. The company's slogan, "Plus Power develops battery energy storage systems that enable a more efficient and reliable electrical grid," encapsulates its core mission. Led by seasoned executives...
We will tell you when either one moves
BounceWatch watches Energy Vault and Plus Power for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Energy Vault and Plus Power — by email.
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Compiled from the BounceWatch company index. We last looked at Energy Vault on 19 Aug 2025, and Plus Power on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.