MN8 Energy Signs Supply Agreement with Eos Energy to Deploy Up to 750 MWh of American-Made Long Duration Energy Storage Across Renewable Projects

Rhea-AI Summary

Eos Energy Enterprises (NASDAQ: EOSE) signed a supply agreement with MN8 Energy to deliver up to 750 MWh of American-made Z3™ zinc-based battery energy storage systems across renewable projects, announced Oct. 21, 2025. The initial opportunity would deploy 200 MWh of 10-hour duration systems to combine solar plus long-duration storage for round-the-clock renewable power.

The agreement targets high-demand sectors such as data centers and commercial/industrial users, covers deployments in PJM and other U.S. markets, and emphasizes non-flammable, U.S.-manufactured technology paired with DawnOS™ for long-duration dispatchability.

Positive

• Up to 750 MWh supply agreement with MN8
• Initial 200 MWh deployment with 10-hour discharge
• American-made zinc-based Z3 systems (non-flammable)
• Targets critical customers such as data centers and C&I

Negative

• Agreement quantity is conditional (“up to 750 MWh”)
• No financial terms or pricing disclosed in announcement

Insights

Energy-commercial strategist

Eos secured a significant U.S. supply deal to provide up to 750 MWh of long‑duration zinc‑based storage to MN8, boosting commercial momentum.

Eos Energy Enterprises will supply up to 750 MWh of its Z3™ zinc‑based battery systems to MN8 Energy to support a portfolio of projects, with initial deployments considered for 200 MWh of 10‑hour systems that pair with solar to deliver round‑the‑clock power. The arrangement targets high‑demand enterprise applications such as data centers, commercial and industrial facilities, and manufacturing, and emphasizes U.S. domestic manufacturing and non‑flammable chemistry.

The business mechanism is straightforward: a supplier agreement that expands Eos’s commercial pipeline and gives MN8 a long‑duration storage option for firming renewable output and meeting resiliency needs. Dependencies and risks are clear from the text: execution of the supply deliveries, integration of 10‑hour Z3 systems with solar projects, and successful deployment within PJM and other U.S. markets. There is no financial value or pricing disclosed, so revenue timing and margin effects remain unspecified.

Watch concrete, monitorable items over the near term: delivery cadence and project starts for the initial 200 MWh tranche, confirmation of sites and interconnection within Oct. 21, 2025‑era project timelines, and any future announcements that quantify contract value or schedule for the remaining up to 750 MWh. Expect the clearest signals when shipment schedules, commercial milestones, or firmed purchase orders appear in subsequent disclosures.

Agreement underscores growing demand for U.S.-made energy storage that strengthens reliability and delivers long-duration flexibility to meet the needs of high-demand sectors

PITTSBURGH, Oct. 21, 2025 (GLOBE NEWSWIRE) -- Eos Energy Enterprises, Inc. (NASDAQ: EOSE) ("Eos" or the “Company”), an American energy company and the leading innovator in designing, sourcing, manufacturing, and providing zinc-based battery energy storage systems (BESS), today announced a supply agreement for as much as 750 MWh with MN8 Energy, one of the largest independent renewable companies in the United States, to deploy Eos next-generation Z3™ energy storage systems supporting a portfolio of projects that include providing clean, dispatchable power for large load applications.

The first projects MN8 would consider utilizing Eos’ Z3 technology for would incorporate 200 MWh of storage systems with 10-hour energy discharge duration, combining solar generation and long-duration storage to deliver round-the-clock renewable power. The supply agreement represents a significant step forward in bringing a reliable, American-made solution to high demand sectors such as data centers, commercial and industrial facilities, or manufacturing – where resiliency and sustainability are increasingly critical.

“The agreement with MN8 marks another major milestone in Eos’ commercial momentum and demonstrates continued confidence in our technology and our domestic manufacturing capability,” said Justin Vagnozzi, Eos Senior Vice President of Global Sales. “Together with MN8, we’re delivering long-duration storage that supports a stronger and more reliable energy system built here in America.”

As demand for both clean energy and energy storage accelerates across the United States, this new collaboration with a top-tier developer enables Eos to serve critical, high-growth customers facing unprecedented load growth. Eos’ zinc-based energy storage systems provide a U.S.-manufactured solution that can deliver non-flammable, flexible and dispatchable energy for extended durations helping customers such as data centers operate with greater resilience while supporting their carbon-free power goals.

This supply agreement enables MN8 to pursue opportunities to deploy Eos’ zinc-based Z3™ systems across its energy portfolio within PJM and other U.S. markets with the goal of providing long-duration energy storage capabilities to meet enterprise customers’ increasingly sophisticated requirements. Together, MN8 and Eos are demonstrating how domestic manufacturing and advanced storage technology can deliver power that enhances grid reliability and national security.

With the addition of the MN8 agreement, Eos continues to execute its growing commercial pipeline, reflecting strong market confidence in its non-flammable zinc-based technology. Combined with its proprietary DawnOS™ operating system, Eos’ innovative technology delivers reliability at scale for America’s expanding energy demand, supporting long-duration applications and sustainability across the full life cycle.

About Eos Energy Enterprises
Eos Energy Enterprises, Inc. is accelerating the shift to American energy independence with positively ingenious solutions that transform how the world stores power. Our breakthrough Znyth™ aqueous zinc battery was designed to overcome the limitations of conventional lithium-ion technology. It is safe, scalable, efficient, sustainable, manufactured in the U.S., and the core of our innovative systems that today provides utility, industrial, and commercial customers with a proven, reliable energy storage alternative for 3 to 12-hour applications. Eos was founded in 2008 and is headquartered in Edison, New Jersey. For more information about Eos (NASDAQ: EOSE), visit eose.com.

About MN8 Energy
MN8 Energy serves enterprise customers on their journey to an electrified, decarbonized world by providing renewable energy and related services. With approximately 4 gigawatts of operational and under-construction solar projects, 1.1 gigawatt hours of battery energy storage capacity comprised of over 875 projects across 29 states, and more than 40 high-power EV charging stations across 14 states, MN8 is one of the largest and most sophisticated independent solar energy and energy storage power producers in the United States. MN8 is headquartered in New York and has offices in South Florida, Dallas, and Madrid.

Contacts
Investors:	ir@eose.com
Media:	media@eose.com

Forward Looking Statements

Except for the historical information contained herein, the matters set forth in this press release are forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements include, but are not limited to, statements that refer to outlook, projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions. The words "anticipate," "believe," "continue," "could," "estimate," "expect," "intends," "may," "might," "plan," "possible," "potential," "predict," "project," "should," "would" and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. Forward-looking statements are based on our management’s beliefs, as well as assumptions made by, and the information currently available to, them. Because such statements are based on expectations as to future financial and operating results and are not statements of fact, actual results may differ materially from those projected.

Factors which may cause actual results to differ materially from current expectations include, but are not limited to: changes adversely affecting the business in which we are engaged; our ability to forecast trends accurately; our ability to generate cash, service indebtedness and incur additional indebtedness; our ability to achieve the operational milestones on the delayed draw term loan; our ability to raise financing in the future; risks associated with the credit agreement with Cerberus, including risks of default, dilution of outstanding Common Stock, consequences for failure to meet milestones and contractual lockup of shares; our customers’ ability to secure project financing; the amount of final tax credits available to our customers or to Eos pursuant to the Inflation Reduction Act; the timing and availability of future funding under the Department of Energy Loan Facility; our ability to continue to develop efficient manufacturing processes to scale and to forecast related costs and efficiencies accurately; fluctuations in our revenue and operating results; competition from existing or new competitors; our ability to convert firm order backlog and pipeline to revenue; risks associated with security breaches in our information technology systems; risks related to legal proceedings or claims; risks associated with evolving energy policies in the United States and other countries and the potential costs of regulatory compliance; risks associated with changes to the U.S. trade environment; our ability to maintain the listing of our shares of common stock on NASDAQ; our ability to grow our business and manage growth profitably, maintain relationships with customers and suppliers and retain our management and key employees; risks related to the adverse changes in general economic conditions, including inflationary pressures and increased interest rates; risk from supply chain disruptions and other impacts of geopolitical conflict; changes in applicable laws or regulations; the possibility that Eos may be adversely affected by other economic, business, and/or competitive factors; other factors beyond our control; risks related to adverse changes in general economic conditions; and other risks and uncertainties.

The forward-looking statements contained in this press release are also subject to additional risks, uncertainties, and factors, including those more fully described in the Company’s most recent filings with the Securities and Exchange Commission, including the Company’s most recent Annual Report on Form 10-K and subsequent reports on Forms 10-Q and 8-K. Further information on potential risks that could affect actual results will be included in the subsequent periodic and current reports and other filings that the Company makes with the Securities and Exchange Commission from time to time. Moreover, the Company operates in a very competitive and rapidly changing environment, and new risks and uncertainties may emerge that could have an impact on the forward-looking statements contained in this press release.

Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and, except as required by law, the Company assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise.

FAQ

What did Eos (EOSE) announce on October 21, 2025 regarding MN8 Energy?

Eos announced a supply agreement to deliver up to 750 MWh of Z3™ zinc-based energy storage to MN8 Energy.

How much storage will the first MN8 projects using Eos Z3 include?

The first projects would consider 200 MWh of storage with a 10-hour energy discharge duration.

Which customers and markets will Eos’ MN8 supply target?

The agreement targets high-demand sectors like data centers, commercial and industrial customers across PJM and other U.S. markets.

What technology does Eos supply under the MN8 agreement?

Eos will supply its Z3™ zinc-based, non-flammable BESS paired with the DawnOS™ operating system.

Does the MN8 supply agreement disclose pricing or delivery schedule for EOSE?

No; the announcement did not disclose financial terms, pricing, or a delivery schedule.

What does the 'up to 750 MWh' wording mean for Eos shareholders?

It indicates the agreement is for a maximum of 750 MWh, so actual shipped volume may be lower or staged over time.