The ESS Energy WarehouseTM

Now available in Brazil from VedantaESS, Ltda.

Sustainable, scalable and easily transportable energy storage is here. Using food-grade, earth-abundant elements like iron, salt, and water for the electrolyte, the innovative ESS Energy WarehouseTM, developed and manufactured by ESS, Inc., is changing how the industry deploys energy storage. Now, companies can choose a long-duration battery solution that is not only a viable alternative to lithium-ion batteries – but also comes at a lower cost. Healthy environment. Healthy bottom line.

Rugged & Turnkey

Housed in a rugged ISO container, the ESS Energy WarehouseTM can be transported pre-assembled anywhere.


With a non-toxic, non-hazardous, non-flammable and completely recyclable iron-based electrolyte, the ESS Energy WarehouseTM sets a high bar for safe, reliable and environmentally conscious energy storage.

Source: ESS, Inc. –

Low Cost

ESS, Inc.’s patented battery design combines plentiful and cost-effective materials with an innovative cell design that dramatically increases power density and enables a smaller, less costly power stack.

Flexible & High Performing

The ESS Energy WarehouseTM delivers more than 20,000 cycles at over 80% depth of discharge during a 25-year life, with minimal maintenance.

Source: ESS, Inc. –

Learn more about ESS INc.’s patented iron flow battery technology here

ESS White Paper - Further Beyond Four Hours - 2018
Source: ESS, Inc. –

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ESS Datasheet 100kW-400kWh - april 2018
Source: ESS, Inc. –

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About ESS, Inc.

ESS, Inc. Energy Warehouse containers

ESS, Inc. logoEnergy Storage Systems (ESS, Inc.) was launched in the United States in 2011 by a team with deep experience in fuel cells, electrochemistry, advanced material science, and renewable energy. After five years of intensive innovation, engineering development, and rigorous validation, backed by ARPA-E and others, the company began shipping turn-key battery solutions in 2016.