Welcome to the Aqueous Battery Brief. In this week’s roundup: Delectrik’s 100MW-hour VRFB deal, and Eos shows that zinc storage is something all parties can agree on. | Not yet a subscriber? Join here.
Adoption, Deals, and Tech
Delectrik to Deliver 100MW-hour VRFB
Indian flow battery firm Delectrik Systems has been tapped by NTPC Renewable Energy, the renewable energy arm of Indian utility giant NTPC, to deliver a 100MW-hour (MWh) vanadium redox flow battery at the Khavda Solar Park in the Indian state of Gujarat.
Delectrik won the deal in collaboration with infrastructure firm Bondada Engineering. The battery is set to be installed next year.
Details in Best Magazine, Power Technology, and PV Magazine India.
Eos Shows Non-Partisan Aqueous Demand
Between public praise from President Trump and deployment in Lincoln, Nebraska – a left-leaning city in a right-leaning state – two Eos deals point to demand for aqueous energy storage that crosses partisan lines.
Eos to Support U.S. Golden Dome Missile Defense System
In a multi-million-dollar partnership with the Department of War, Eos Energy Enterprises has signed on to deliver its Eos Z3™ zinc-based energy storage technology in support of the U.S.’s Golden Dome missile defense system. President Trump praised the agreement publicly, referencing “EOS in Pittsburgh” by name.
Read more in Renewable Energy Magazine
Eos to Help Power Lincoln, Nebraska Utility & Microgrid
In another win for Eos, Nebraska public power utility Lincoln Electric System celebrated the launch of its first utility-scale battery energy storage system: a 3-megawatt, four-hour Eos Z3 application. The battery will be used to reduce peak demand, provide operational flexibility, help maximize the value of renewable generation, and enhance the LES Community Microgrid.
Get the full story from Public Power
At 250, the U.S. Needs Aqueous Storage

As the U.S. hits this milestone year, the country faces new urgency to secure energy independence, global AI leadership, and military dominance.
Fostering aqueous energy storage is critical to the country achieving all three.
Read why in the latest opinion piece from Octet CEO & Founder, Onas Bolton.
Mark Your Calendars
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Battcon 2026, the go-to conference dedicated for end users, battery engineers and manufacturers. July 26–29 2026, Orlando FL. Details & Registration
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Volta Foundation’s Women in Batteries Conference. July 28–30, Silicon Valley. Details & Registration.
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Clean Energy Group‘s webinar will spotlight iron-air giant Form Energy. Hear from Sarah Jackson, Form’s Director of Government Affairs. Time: August 6th 2026 @ 1PM ET. Details & Registration
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Volta Foundation’s Battery Forum features two tracks: Next-Gen Chemistry and Cost Reduction. August 26, 11:00 AM – 1:00 PM ET. Virtual Conference. Details & Registration.
📆 Get ahead of your planning with the Aqueous Energy Events Calendar in our December 29th Aqueous Battery Brief.
Who’s Hiring
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