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Energy Vault Holdings›
Products & Services
AddedJun 27, 2026
UpdatedJul 6, 2026
EVx Gravity Energy Storage System

Energy Vault Holdings› offers EVx Gravity Energy Storage System

Product
Currently Offered

EVx is Energy Vault's gravity-based long-duration energy storage system for power grids.

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Overview

EVx is Energy Vault's commercial-scale gravity energy storage system, which stores energy by raising and lowering heavy composite blocks and releasing that potential energy to generate electricity. The company markets it as a long-duration storage option with high round-trip efficiency and a multi-decade operating life.

Energy Vault has deployed EVx projects including a 25 MW/100 MWh system in Rudong, China. The system is positioned as an alternative to other long-duration storage technologies such as flow batteries, thermal storage, and compressed air.

EVx Gravity Energy Storage System - Classification

Industry
  • Energy Storage

EVx Gravity Energy Storage System - Direct Competitors

  • Sizable Energy

    Sizable Energy logo

    Offshore Pumped Hydro Energy Storage

    sizableenergy.com

AttributeEVx Gravity Energy Storage SystemOffshore Pumped Hydro Energy Storage
ProviderEnergy Vault Holdingsenergyvault.com$0 raised · PublicSizable Energysizableenergy.com$8M raised · Seed
Founded20202018
Sells ToEnterpriseEnterprise
Pricing ModelRecurringDirect Sales, Hardware Sales
OwnershipPublicVenture-backed private company
EVx Gravity Energy Storage System

Provider Energy Vault Holdingsenergyvault.com$0 raised · Public

Founded 2020

Sells To Enterprise

Pricing Model Recurring

Ownership Public

Offshore Pumped Hydro Energy Storage

Provider Sizable Energysizableenergy.com$8M raised · Seed

Founded 2018

Sells To Enterprise

Pricing Model Direct Sales, Hardware Sales

Ownership Venture-backed private company

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