More Money Flows to Flow Batteries: ESS Nabs $13 Million Funding Round

The company wants to expand its annual iron flow battery production to 900 megawatt-hours. JULIAN SPECTOR, GTM, December 12, 2017  New funding could help ESS bring annual battery output to 900 megawatt-hours. Photo Credit: ESS Iron flow battery maker ESS raised $13...

What is a Flow Battery?

Originally published on Solar Power World By Kathie Zipp | December 4, 2017 Conventional flow batteries contain two electrolyte solutions in two separate tanks, circulated through two independent loops, separated by a membrane and energy is stored chemically in the...

Microgrids for Mines: Global Perspectives

Energy and Mines, Melodie Michel, November 2017: ESS’ CEO, Craig Evans was interviewed as part of Energy and Mines “Microgrids for Mines: Global Perspectives” report on the importance of using storage to deliver stability and efficiency in the mining...

Why Energy Storage May Be Bigger Thank You Think

Microgrid Knowledge, April 27, 2017 Three decades ago when the Energy Storage Association tried to galvanize support it drew 35 people to the room. Last week, at its annual conference in Denver, there were near 2,000.   Sure, they came because battery prices are...

ESS Announces Shipment of USACE Unit to Ft. Leonard Wood, Missouri

ESS announced it has shipped the 60kW/225kWh All-Iron Flow Battery (IFB) system under contract to the U.S. Army Corps of Engineers. The battery will be part of an integrated microgrid at Fort Leonard Wood in Missouri, where they will demonstrate long-duration storage...