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ESS Powers Up with Orders and Deployments Worldwide


Global deployment of iron flow technology continues to accelerate with recent installations at Amsterdam Airport Schiphol and Burbank Water & Power. 

Munich – June 19, 2024 – ESS Tech, Inc. (“ESS”) (NYSE: GWH), a leading manufacturer of long-duration energy storage systems (LDES) for commercial and utility-scale applications, today highlighted recent progress as the company accelerates global deployment of LDES to meet the needs of an increasingly renewable energy system. The company’s iron flow battery technology has been installed across a wide range of use cases and sectors, from commercial and industrial applications to utility-scale generation and decarbonization projects.  

In May, ESS commissioned an energy storage system at Amsterdam Airport Schiphol to enable the phase-out of the polluting diesel ground power units currently supplying electrical power to aircraft while parked at airport gates. These will be replaced by mobile batteries, known as Electric Ground Power Units (E-GPUs), which will use the Energy Warehouse to charge. The electrification of ground operations will reduce carbon emissions and air pollution, providing a model for airports worldwide seeking to reduce the climate impacts of air transportation. ESS technology was selected due to its inherent fire safety, making it suitable for use in close proximity to passenger aircraft.   

The project at Amsterdam Airport Schiphol is supported by TULIPS, an EU-funded consortium of airports seeking to accelerate the implementation of sustainable technologies to reduce airport emissions.

In California, ESS recently celebrated the commissioning of the first iron flow battery system on Burbank Water & Power’s EcoCampus. The 75 kW / 500kWh Energy WarehouseTM system has been installed and connected to a 265 kW solar array. Once fully operational, the system will provide power equivalent to the consumption of ~300 homes and will demonstrate the critical role of iron flow technology in a renewable, resilient energy system.  

This commissioning follows ESS’ recently announced partnership with Sapele Power Plc (“Sapele”), which will see ESS’ entry into the African market. Sapele is a leading Nigerian integrated energy company specialising in power generation, and the project will include an initial 1 MW / 8 MWh of LDES. This agreement represents the largest battery storage system export to Africa to date and is financed by the Export-Import Bank of the United States of America. 

Lastly, ESS continues to make progress on the LDES component of the largest clean energy hub in Europe. First announced at Smarter E Munich in 2023, ESS and German energy provider LEAG are partnering to develop an initial 50 MW / 500 MWh iron flow battery system which will be installed at the Boxberg Power Plant site in Eastern Germany. The project will convert the former coal-fired power station into a renewable energy hub, powered by ​​up to 14 GW of renewables with up to 3 GWh of LDES. This LDES system will enable the hub to provide green baseload energy.

“We are gaining momentum with orders and deployments across a variety of sectors and use cases demonstrating the flexibility and importance of iron flow technology,” said Eric Dresselhuys, ESS CEO. “As leading energy companies select ESS technology, they are demonstrating how our safe and sustainable technology can be deployed at scale for a variety of use cases to catalyze the clean energy transition.”   

About ESS 

At ESS (NYSE: GWH), our mission is to accelerate global decarbonization by providing safe, sustainable, long-duration energy storage that powers people, communities and businesses with clean, renewable energy anytime and anywhere it’s needed. As more renewable energy is added to the grid, long- duration energy storage is essential to providing the reliability and resiliency we need when the sun is not shining and the wind is not blowing.     

Our technology uses earth-abundant iron, salt and water to deliver environmentally safe solutions capable of providing up to 12 hours of flexible energy capacity for commercial and utility-scale energy storage applications. Established in 2011, ESS Inc. enables project developers, independent power producers, utilities and other large energy users to deploy reliable, sustainable long-duration energy storage solutions. For more information visit www.essinc.com 

Contacts: 

Investors: 

Erik Bylin
Investors@essinc.com 

Media: 

Morgan Pitts
503.568.0755
morgan.pitts@essinc.com