Zinc battery storage provider Eos signs agreement for >1GWh of projects with developer Hecate Energy

LinkedIn
Twitter
Reddit
Facebook
Email
Image: Eos Energy Storage via Facebook.

Eos Energy Storage has signed an agreement to deploy “more than 1GWh” of its aqueous zinc chemistry battery energy storage systems worth around US$250 million with US-based project developer Hecate Energy.

Eos designs, integrates and manufactures energy storage systems based around its proprietary battery chemistry, which plates and replates zinc on the batteries’ electrodes, and claims the technology provides low-cost, medium to long-duration energy storage with minimal degradation of battery cells for a 15 to 30-year lifetime using abundant raw materials.

The company said yesterday that it has signed a “broad-ranging agreement” to supply systems, with an estimated value greater than US$250 million to Hecate for projects in Colorado, New Mexico and Texas. Eos will deliver that capacity over the next 24 months for the developer.

In addition to having delivered large-scale solar and wind in three countries for customers that include Google, Hecate Energy has created a dedicated energy storage division, called Hecate Grid, in partnership with InfraRed Capital Partners. As with its renewables projects, Hecate will develop, build, own and operate assets in the utility-scale segment.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Eos is one of a number of market participants looking to commercialise a novel battery technology centred around a zinc chemistry in competition or complement to lithium-ion and other energy storage.

The technology provider recently claimed big wins with agreements to deploy 1.5GWh of systems for customers in Texas and California and a partnership to work on a few megawatts-worth microgrid projects in Africa, while the company is targeting becoming publicly-listed in the near future through a business combination transaction with special purpose acquisition company B Riley Principal Merger Corp.

15 September 2026
San Diego, USA
You can expect to meet and network with all the key industry players again in 2025 from major US asset owners, operators, RTOs and ISOs, optimizers, software and analytics providers, technical consultancies, O&M technology providers and more.

Read Next

Premium
May 11, 2026
The US clean energy manufacturing industry is starting to undergo a wholesale restructuring and recapitalisation as companies look to reduce their exposure to numerous risks, including FEOC. 
May 11, 2026
Energy storage developer and system integrator Energy Vault has released its Q1 2026 financial results, showing expansion in its project portfolio, AI infrastructure activities, and operations in Australia and Japan.
May 11, 2026
South Korean-owned company Qcells, part of the Hanwha Group, has introduced its first domestically assembled residential battery energy storage system (BESS) to the US market.
May 8, 2026
Denmark-headquartered independent power producer (IPP) Ørsted has purchased a 150MW battery energy storage system (BESS) in Michigan, US, from developer ESA Solar Energy.
Premium
May 7, 2026
The business model for battery energy storage systems (BESS) in the US is changing rapidly, according to industry experts who gathered recently to discuss revenue strategies and market conditions.