ESS Tech, Inc. announced that founding chairman Michael Niggli notified the company on April 10, 2026, of his decision to resign from the board of directors, Audit Committee, and Nominating and ...
About ESS Tech Inc. ESS Tech, Inc. is a long-duration energy storage company, which specializes in iron flow battery technology. It develops long duration iron flow batteries for ...
CEO Drew Buckley described 2025 as “a year of deliberate transformation,” highlighting ESS’ restructuring, commercial progress, and strengthened balance sheet. He confirmed a $9.9 million contract ...