Iron Flow Chemistry
It is purpose-built to solve long-duration energy storage. Can be deployed anywhere from densely populated neighborhoods to regions prone to wildfires. Non-flammable electrolyte, no risk of thermal
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It is purpose-built to solve long-duration energy storage. Can be deployed anywhere from densely populated neighborhoods to regions prone to wildfires. Non-flammable electrolyte, no risk of thermal
ESS'' latest long-duration energy storage (LDES) solution is redefining energy storage, with industry-leading design and operational flexibility to cost-effectively meet customer needs.
A net zero energy system requires energy storage for 24/7 renewables. When the sun sets and the wind dies, long-duration energy storage will keep the lights on.
ESS launches Energy Base solution, offering up to 22 hours of energy storage and decoupling power capacity from energy capacity, unlocking low-cost, long-duration energy storage.
Salt River Project (SRP) selected ESS Tech at its Copper Crossing Energy & Research Center in Florence, AZ—part of SRP''s long-duration storage pilot portfolio and backed by a 10-year energy
New battery technologies can help. With long design-life, operational flexibility and unlimited cycling, projects powered by ESS IFB technology can capitalize on negative pricing and offer attractive
ESS Tech, Inc. is emerging as a frontrunner in this space with its American-made long-duration iron flow batteries. A leading manufacturer of LDES solutions, the
The New South Wales Roadmap Tender Round 6 for long duration storage has awarded contracts to six new battery energy storage projects representing 1.17 GW/12 GWh of capacity,
Flow battery manufacturer ESS Inc. could be profitable “in the next few years,” if its new product is a success, the company''s CFO has said.
ESS Tech, Inc. has partnered with Munich Re to launch industry-first insurance coverage of our flow batteries. The innovative policy means the battery modules in our storage solutions come with up to
ESS''s iron flow batteries operate without risk of thermal runaway and perform in diverse temperatures—a crucial attribute in the Arizona climate. Designed for a 25-year lifespan with over
Salt River Project (SRP) and ESS Inc. (NYSE: GWH) have announced a 50-megawatt-hour (MWh) long-duration energy storage (LDES) pilot project, signaling a major step forward for grid
Arizona public power utility Salt River Project and ESS, a leading manufacturer of iron flow long duration energy storage systems, on Oct. 9 announced an agreement to add Project New
ESS Tech, Inc. (NYSE: GWH) is the leading manufacturer of long-duration iron flow energy storage solutions. ESS was established in 2011 with a mission to accelerate decarbonization safely and
Lowest cost of service ESS batteries offer the lowest overall cost of service for long-duration or multi-cycling requirements, especially in heavy use applications. Long asset life ESS storage systems
The ESS Iron Flow Battery (IFB) project will be part of SRP''s effort to evaluate emerging, non-lithium ion LDES technologies and support SRP''s reliability and sustainability goals. The
In June 2025, ESS Tech accelerated its iron flow long-duration energy storage roadmap by 18 months, achieving 12.2 hours at rated power with improved efficiency, durability and cost reductions under
With up to 22 hours of energy storage, ESS'' scalable, flexible solutions enable intermittent energy to provide baseload power to meet growing energy demand from AI data centers and an increasingly
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