GWH News & Events

ESS Tech announced strong early customer engagement for its planned U.S.-made sodium-ion battery energy storage system, BESS, offering, focused on short- and medium-duration applications that have historically been served by lithium-ion systems. Since announcing its letter of intent with Alsym Energy seven weeks ago, ESS has generated significant customer interest for sodium-ion solutions across data centers, critical infrastructure, and utility markets, exceeding demand expectations with limited outbound marketing. The company has now developed early-stage opportunities approaching $1B for its sodium-ion solutions and is accelerating development of its sodium-ion BESS platform to meet growing near-term demand for safer, domestically sourced energy storage solutions.

Reports Q1 revenue $128,000 vs $600,000 last year. "The first quarter and second quarter to date reflect continued initiatives to reset ESS around execution, capital discipline, and scalable commercial opportunities," said Drew Buckley, Chief Executive Officer of ESS. "We continued to strengthen our leadership team, improve our financial position, and sharpen our operating focus as we advance into the Company's next phase. We advanced Project New Horizon with Salt River Project and Google, were awarded a $9.9 million contract with Concurrent Technologies Corporation ("CTC") and the United States Air Force Research Laboratory ("AFRL") for a large capacity energy storage system, recently announced our partnership with Alsym Energy, and added commercial leadership with the appointment of Randy Selesky as Chief Commercial Officer."

ESS Tech highlighted the findings of a final report issued in connection with Burbank Water and Power for the American Public Power Association to evaluate the application of ESS' Iron Flow Battery technology in a real-world utility environment. The report, prepared under the APPA's Demonstration of Energy & Efficiency Developments program, documented the installation, operation, and evaluation of an ESS Energy Warehouse system. According to the report, the system was successfully installed, energized, and operated through the 21-month project evaluation period co-located with a solar resource, with Burbank Water and Power concluding that ESS' Iron Flow Battery technology works and there is a place for this battery in a utility's overall energy storage strategy. "This project provides another example of how ESS iron flow technology can perform in an operating utility environment," said Drew Buckley, Chief Executive Officer of ESS. "Third-party demonstration projects like this are important because they show how the technology performs in real-world utility applications. The project helps validate the underlying strengths of our core technology, which carry through to our next generation Energy Base product: long-duration performance, a safe and non-flammable chemistry based on iron, salt and water, and the value of a solution manufactured in America as utilities look for durable energy storage alternatives to lithium-ion." The Burbank Water and Power final report noted several attributes of the system and underlying chemistry, including the use of iron, salt, and water, non-flammable and sustainable, easily sourced components, domestic manufacturing, and a projected long operating life. The report also stated that utility personnel were successfully trained on operation and maintenance of the system and that the project supported broader education and engagement around iron flow battery technology.