Welcome to the Aqueous Battery Brief. In this week’s roundup: Elestor’s wind deal, Offgrid’s new facility, and ZincFive’s journey.
Estimated reading time: 3 – 5 minutes.
Elestor to Deploy System for Europe’s Largest Onshore Wind Farm
Fresh off a €30 million (US$34 million) Series A, Dutch hydrogen-iron flow developer Elestor has signed with Windpark Zeewolde to deploy a 20MW/200-800MWh storage system at what is described as Europe’s largest onshore wind farm.
The battery will help store Windpark Zeewolde’s copious energy that can’t be exported during peak periods due to grid congestion.
Read more in Energy Storage News.
Offgrid Launches Manufacturing Base in UK
India-founded Offgrid Energy Labs has launched its first ZincGel pilot battery manufacturing facility.
The 10 MWh demonstration line in Hook, United Kingdom, is the zinc-bromine tech producer’s first commercial pilot manufacturing facility — marking the transition from lab to commercial-scale.
Details in The Economic Times.
Not Stopping for Traffic Lights: ZincFive’s Journey to IPO
ZincFive‘s first use case was as a backup system for traffic lights. Today, the firm is eyeing an IPO, is backed by a $100 million committed private investment in public equity (PIPE), and has its sights on becoming a leading power technology in the booming data center market.
Read about the nickel-zinc firm’s journey in ESS News.
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
- Volta Foundation‘s Women in Batteries Conference. July 28 – 30, Silicon Valley. Details & Registration.
- Clean Energy Group‘s webinar spotlighting iron-air giant Form Energy. Hear from Sarah Jackson, Form’s Director of Government Affairs. Time: August 6th 2026 @ 1PM ET. Details & Registration
📆 Get ahead of your planning with the Aqueous Energy Events Calendar in our December 29th Aqueous Battery Brief.
Who’s Hiring
Seeking a new role — or know someone who is? Start with the quick links to aqueous firms’ open roles pages below.
Have a specific open position you’d like to highlight? Send us an e-mail.
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Same stray “March” artifact near the bottom as last issue — omitted again.