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ESS Tech, Inc.
Long-Duration Iron Flow Energy Storage Solutions

What is ESS Tech, Inc.?

ESS Tech, Inc. is a pioneering provider of iron flow battery technology, addressing the growing need for long-duration energy storage (LDES) in modern electricity grids. Their scalable solutions capture excess renewable energy and deliver consistent power, supporting applications such as AI data centers, electrified transport, and utility-scale distributed energy resources. Built in America and designed for rapid deployment, ESS’s storage systems provide up to 22 hours of uninterrupted energy and maintain zero capacity degradation over a 25-year design life.

Leveraging non-toxic, abundant materials like iron, salt, and water, ESS’s technology enhances energy resilience and grid reliability while facilitating the transition to clean, baseload power generation. Their innovative products and commitment to research and development position them at the forefront of sustainable energy storage, enabling customers to maximize renewable energy value and meet surging global power demands.

Features

  • Iron Flow Technology: Utilizes iron, salt, and water for energy storage.
  • Long-Duration Storage: Provides up to 22 hours of continuous energy.
  • Scalable Solutions: Supports data centers, utilities, transport, and industrial microgrids.
  • Zero Capacity Degradation: Maintains storage performance over a 25-year design life.
  • Rapid Deployment: Deployable in months instead of years.
  • Safe & Sustainable: Non-toxic, easy-to-source materials for enhanced safety and sustainability.

Use Cases

  • Powering AI data centers with resilient, long-duration energy storage.
  • Managing grid reliability for utilities facing increased renewable integration.
  • Supporting industrial microgrids and electrified transport operations.
  • Maximizing the value of excess renewable energy through uninterrupted baseload power supply.
  • Enabling utility-scale distributed energy resources (DER).

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