ESS Tech Inc. has completed the first commercial deliveries of its Energy Center product to a Florida utility and finalized construction and initial testing for Portland General Electric (PGE) in Oregon. The launch of this innovative product marks a significant advancement in ESS’s iron flow technology, designed for long-duration energy storage.
Key Advancements in Energy Center
Increased Energy Density: The new product offers a 20% increase in electrolyte energy density, enhancing storage capacity and overall performance.
Lower Energy Requirements: The Energy Center also benefits from reduced auxiliary energy needs, helping reduce costs for ESS customers.
Improved Value: These technological advancements offer improved energy storage capacity and greater value compared to earlier-generation products.
Partnership and Testing
ESS partnered with Portland General Electric (PGE) to advance alternative energy storage technologies. PGE’s Colin Solini highlighted that long-duration batteries are key to providing reliable power throughout the clean energy transition. The Energy Center product will undergo further testing to ensure seamless integration into PGE’s system, helping deliver long-term benefits to customers.
Certification and Global Production
The Energy Center has received certifications from internationally recognized standards, including UL 1973, UL 9540A, and IEEE 693 – High, demonstrating its superior safety and resilience. With growing global demand for long-duration energy storage solutions, ESS plans to ramp up production throughout 2025 to meet the needs of utilities, independent power producers, and commercial customers.
Meeting Growing Demand for Storage
Eric Dresselhuys, CEO of ESS, emphasized that these milestones reflect over a year of hard work by the ESS product team. With growing demand for larger-scale, longer-duration energy storage, the Energy Center will play a crucial role in ensuring grid reliability and resiliency as the world transitions to clean energy.
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