Welcome to our dedicated page for Ess Tech news (Ticker: GWH), a resource for investors and traders seeking the latest updates and insights on Ess Tech stock.
ESS Tech, Inc. develops and manufactures long-duration energy storage systems based on iron flow battery technology for commercial and utility-scale applications. Company news centers on financial results, customer deployments and commissioning of LDES projects, third-party utility demonstrations, Energy Base development, and partnerships that expand non-lithium battery storage applications.
Updates also cover collaborations with utilities, public-sector customers and technology partners, the use of iron, salt and water in ESS battery chemistry, acquisitions that add intellectual property, and financing actions supporting commercialization and manufacturing execution.
ESS Tech (NYSE:GWH) reported Q2 2026 revenue of $73 thousand, down sharply from $2.4 million a year earlier, generating a gross loss of $7.4 million and a net loss of $15.6 million, or $(0.46) per share. Adjusted EBITDA loss was $7.9 million, roughly flat year-over-year.
ESS outlined a strategic pivot toward U.S.-made sodium-ion storage, including a non-binding LOI for a business combination with a private energy company implying a combined enterprise value of about $515 million, and an LOI with Juniper Energy for 500+ MWh of storage anchored by a planned 80 MWh California project. The company began rolling out its Bridge™ modular sodium-ion system, signed an LOI with Alsym Energy for 8.5 GWh of sodium-ion cells, repaid $37 million of a $40 million Yorkville note, and ended June 30 with $10.8 million in cash and cash equivalents; unrestricted cash was $5.6 million as of July 31.
ESS Tech (NYSE:GWH) rescheduled its second quarter 2026 financial results conference call to Tuesday, August 11, 2026 at 5:00 p.m. Eastern Time, to discuss results for the quarter ended June 30, 2026.
According to the company, management will also provide updates on commercial progress, customer deployments, anticipated technology milestones, and a recently signed non-binding Letter of Intent for a proposed business combination. CEO Drew Buckley and CFO Kate Suhadolnik will host the call, followed by Q&A. Investors can access the event via dial-in, webcast, and later replay through the investor relations section of the ESS website.
ESS Tech (NYSE:GWH) announced it has signed a non-binding Letter of Intent for a proposed business combination with an unnamed private energy-sector company. The Counterparty’s identity and key commercial terms remain confidential while due diligence and negotiations of definitive agreements proceed. ESS aims to announce a final agreement by the end of September 2026 and is targeting closing before year-end, while continuing to advance its existing technology platform.
The LOI does not obligate either party to complete the deal. Any transaction would require satisfactory due diligence, definitive documentation, and board, stockholder and regulatory approvals, including stock exchange listing compliance. ESS expects to file a proxy statement or Form S-4 with the SEC for stockholder approval if the transaction proceeds.
ESS (NYSE: GWH) announced that it has been named one of TIME and Statista's World's Top GreenTech Companies 2026, its second consecutive inclusion after 2025. The global ranking recognizes firms contributing to sustainability based on environmental impact, financial strength and innovation.
According to ESS, the recognition reflects its focus on safer, non-lithium energy storage using abundant, responsibly sourced materials. The company offers sodium-ion and iron flow battery systems for grid modernization, renewable integration, data centers, critical infrastructure, and commercial and industrial facilities.
ESS highlighted several recent milestones: expansion into sodium-ion technology, identification of more than $1 billion in early-stage project opportunities, launch of the Bridge™ modular energy storage system, and a customer agreement with potential to exceed 500 MWh. ESS also emphasized leveraging an emerging American supply chain to support energy security and decarbonization.
ESS (NYSE: GWH) will host a conference call on Thursday, August 13, 2026 at 5:00 p.m. Eastern Time to discuss its second quarter 2026 financial results for the period ended June 30, 2026, and to provide updates on commercial progress, customer deployments and anticipated technology milestones.
CEO Drew Buckley and CFO Kate Suhadolnik will lead the call, followed by a Q&A session. A supporting presentation and replay will be available via the investor relations section of the company’s website and through a webcast at https://events.q4inc.com/attendee/666579401. Dial-in numbers include 1-833-461-5787 (U.S.) and 1-585-542-9983 (international) using Meeting ID 666 579 401.
ESS (NYSE: GWH) announced a Letter of Intent with Juniper Energy for the deployment of 500 MWh or more of sodium-ion battery energy storage systems by 2032. The LOI creates a framework for a long-term partnership to use ESS sodium-ion technology across multiple projects.
The collaboration begins with a planned 10 MW / 80 MWh project in California, expected to use ESS's modular sodium-ion AC solution Bridge™ and its Energy Management System, with targeted commercial operation in 2027. ESS highlights that its sodium-ion systems use abundant materials and are designed to reduce exposure to geopolitical supply risks and Foreign Entity of Concern restrictions.
ESS (NYSE:GWH) launched Bridge™, a modular 1.2 MWh AC sodium-ion battery energy storage system for utilities, AI data centers, critical infrastructure and commercial users.
Stackable to 4.8 MWh in a 20-foot footprint, Bridge targets safer, non-lithium storage with wide temperature tolerance and 20-year design life.
ESS (NYSE:GWH), a provider of non-lithium energy storage solutions, has been added to the Russell Microcap® Index, effective at U.S. market open on June 29, 2026.
According to ESS, index inclusion may expand institutional visibility as it develops U.S.-made sodium-ion batteries for AI, data centers and other high-growth energy markets, and advances iron flow technology.
ESS (NYSE:GWH) reported strong early customer engagement for its planned U.S.-made sodium-ion battery energy storage system (BESS), targeting short- and medium-duration uses that often rely on lithium-ion.
Early-stage customer opportunities are approaching $1 billion, prompting ESS to accelerate sodium-ion development and reallocate resources while continuing iron flow battery work.
ESS (NYSE:GWH), a manufacturer of iron flow long-duration energy storage systems, announced CEO Drew Buckley will speak in Clean Energy Group’s Beyond Lithium webinar series.
The webinar is scheduled for June 3, 2026, from 3:00–4:00 PM ET and will cover ESS’s technology, target applications, services, market readiness, and path to commercialization.