American-made
Long-Duration
Energy Storage Technology
ESS Expands Commitment to Pacific Northwest with Department of Energy Funding
Leveraging a $50M investment from the U.S. Department of Energy, ESS will expand domestic long-duration energy storage technology manufacturing capacity in the U.S. to address large-scale demands for long-duration energy storage.
Long-duration energy storage (LDES) provides solutions for growing grid concerns, including:
Extreme weather events
Electricity demand growing
Decarbonization policies and goals
Aging or unreliable energy infrastructure
Curtailment of renewable energy production
Iron flow batteries are
Flexible and long-lasting
Safe and sustainable
Cost effective
Project Irongate will expand iron flow battery module manufacturing capacity to 5.6 GW per year by 2027 – 84% of projected 2027 demand built in the U.S.
Why Project Irongate?
Project Irongate delivers economic benefits, community benefits, and climate benefits to the Pacific Northwest and across the United States.
Over 1,700 new, high-quality jobs
Large workforce development opportunities
$120M total investment in the greater Portland-Vancouver metro area
Supports community and Justice40 priorities
Over $1.5B annual impact on U.S. supply chain
Reinforces the domestic clean tech supply chain
Significantly decrease per kWh costs by 2030