MN8 Energy, Google, and Eos Energy Enterprises Bring Advanced Clean Energy Solutions to West Virginia

Eos Energy Enterprises (EOSE) is partnering with MN8 Energy and Google on an integrated clean energy project that will supply new around-the-clock capacity to the PJM grid serving Google data centers, including a planned facility in West Virginia.

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The collaboration pairs utility-scale solar with lithium-ion energy storage and American-made, zinc-based long-duration energy storage to deliver new clean energy and capacity to the PJM grid

NEW YORK & PITTSBURGH--(BUSINESS WIRE)-- MN8 Energy (MN8), a scaled power platform, Eos Energy Enterprises, Inc. (NASDAQ: EOSE), a U.S. manufacturer of zinc-based long-duration energy storage systems, and Google, today announced a collaboration to deliver new, clean, around-the-clock energy resources to the PJM grid in support of growing demand in the region.

Owned and operated by MN8, the project combines 86 MW of utility-scale solar, 10 MW/100 MWh of Eos’ Z3™ zinc-based long-duration energy storage, and 70 MW/280 MWh of lithium-ion energy storage. The integrated portfolio adds new clean, dispatchable capacity to the grid serving Google’s data centers in the region, including a planned project in West Virginia. The solar project is expected to reach commercial operation in 2028, with lithium-ion storage and long-duration storage following in 2029 and 2030, respectively.

An Innovative Capacity Solution

MN8 custom-designed its Mammoth Solar project in Kanawha County, West Virginia as an integrated utility-scale solar system with short- and long-duration storage that converts intermittent renewable generation into a single, dispatchable resource. The multi-technology solution fills a critical grid need by delivering clean capacity matched to data center load profiles. It's the first commercial-scale long-duration energy storage deployment in West Virginia.

“At Google, we’re committed to backing solutions that both serve our data center capacity needs and accelerate progress toward cleaner, more affordable energy systems,” said Lucia Tian, Director, Advanced Energy Technologies at Google. “This collaboration with MN8 and Eos aims to deploy a smart portfolio of round-the-clock technology solutions to help power our digital infrastructure, while creating meaningful economic benefits for West Virginia.”

Under the agreement, Google will purchase the energy, capacity, and clean energy attributes of the project, advancing the company’s commitment to bring new capacity to the grids where it operates. The project is part of Google’s broader efforts to accelerate LDES technology commercialization with the aim to rapidly bring its potential to communities everywhere — making reliable, affordable electricity available around the clock and supporting the resilience of grids as they integrate growing amounts of renewable energy sources.

“This project reflects what MN8 does best: understanding a customer’s unique energy profile and building a solution around it,” said Jon Yoder, President and CEO of MN8 Energy. “Because Google was willing to pair next-generation storage with utility-scale solar, we could engineer proven and emerging technologies into one dispatchable resource – and deliver clean, around-the-clock power where the grid needs it most.”

Deploying American-made Long-Duration Energy Storage

The project marks Google’s first project that uses Eos’ American-made Z3 technology and the first project under the previously announced MN8-Eos Master Supply Agreement. The 10 MW/100 MWh system is designed to provide 10 hours of storage, extending the availability of solar generation beyond the shorter-duration energy storage resources and enabling the combined portfolio to deliver dependable capacity across more hours of the day. This project will prove how Eos’ aqueous zinc chemistry can support critical grid infrastructure.

“The grid needs more from every megawatt of new generation,” said Nathan Kroeker, Chief Commercial Officer at Eos. “Our work with Google is focused on deploying American-made long-duration storage where it solves real grid reliability challenges. Z3 extends the value of clean generation across more hours, strengthens the overall portfolio, and delivers more dependable capacity when it’s needed most.”

Creating Economic Benefits in West Virginia and Across the Region

Built on a reclaimed coal mine in West Virginia, this project is expected to create economic opportunity in a community with a long energy history. Based on MN8’s estimates, it represents up to $350 million in capital investment and is expected to generate approximately $4 million in property tax revenue for the county and local schools over the first 20 years of operations, with millions more in the 15-20 years that follow. Construction is expected to create approximately 200 jobs, with additional full- and part-time roles supporting the project throughout its operating life.

The project's impact also extends across the PJM interconnection, connecting new energy infrastructure in West Virginia with American manufacturing and regional innovation. MN8 and Eos maintain significant operations and workforces across the Mid-Atlantic and Northeast, from MN8 projects spanning the region to Eos headquarters and manufacturing in Pittsburgh, Pennsylvania. Together, the companies support domestic supply chains and regional economies.

About MN8

MN8 is a scaled power platform that develops, owns and operates energy assets for the enterprises driving the new American economy. We help customers secure scaled power to support growth, resiliency and long-term energy goals. With more than 4 gigawatts of operating and under-construction assets across 29 states, MN8 is one of the largest independent power producers in the United States, serving more than 200 customers — including leading AI and hyperscale technology companies, Fortune 500 corporations and government agencies. Our integrated platform spans utility-scale solar, battery storage, EV and electrification infrastructure, and powered land capabilities. Founded within Goldman Sachs and operating independently since 2022, MN8 pairs institutional-grade financial discipline with full-lifecycle execution capabilities. MN8 is headquartered in New York, with offices in South Florida, Dallas and Madrid, Spain. Learn more at mn8.com.

About Eos Energy Enterprises

Eos is accelerating the shift to American energy independence with positively ingenious solutions that transform how the world stores power. The Company’s BESS features the innovative Znyth™ technology, a proven chemistry with readily available non-precious earth components, that is the pre-eminent safe, non-flammable, secure, stable, and scalable alternative to conventional technology. The Company’s BESS is ideal for utility-scale, microgrid, commercial, and industrial long-duration energy storage applications (i.e., 4 to 16+ hours) and provides customers with significant operational flexibility to cost effectively address current and future increased grid demand and complexity. For more information about Eos (NASDAQ: EOSE), visit eose.com.

About Google

Google's mission is to organize the world's information and make it universally accessible and useful. Through products and platforms like Search, Maps, Gmail, Android, Google Play, Google Cloud, Chrome and YouTube, Google plays a meaningful role in the daily lives of billions of people and has become one of the most widely-known companies in the world. Google is a subsidiary of Alphabet Inc.

View source version on businesswire.com: https://www.businesswire.com/news/home/20260902424949/en/

Candice Adams, candice.adams@mn8.com, +1 332 345 2243

Source: MN8 Energy

Key Terms

long-duration energy storage technical

Long-duration energy storage is technology that can store large amounts of electricity for many hours to days and release it when needed, like a very large rechargeable battery that can power a neighborhood through the night or during multi-day cloudy periods. It matters to investors because it enables more reliable use of wind and solar, reduces the need for backup power plants, creates new revenue opportunities from capacity and grid services, and can change the economics of energy projects and utilities.

dispatchable resource technical

A dispatchable resource is a power source or storage system that grid operators can turn on, turn off, or adjust output from on demand to meet electricity needs. Think of it like a tap you can open or close to control water flow: its predictable availability and controllability matter to investors because they determine how reliably the grid can meet demand, influence revenue from capacity and ancillary services, and affect asset valuation under different market rules.

aqueous zinc chemistry technical

The behavior and reactions of zinc and its ions in water-based (aqueous) solutions, including how zinc dissolves, plates out, corrodes, complexes with other chemicals, and moves under electrical or chemical gradients. Think of it like the plumbing and chemistry of zinc in a watery recipe: small changes in ingredients, acidity, or additives change how zinc behaves. It matters to investors because these properties determine the performance, life, safety, manufacturing cost, and regulatory risks of zinc-based products such as batteries, coatings, and medical formulations.

utility-scale solar technical

Large solar power installations built to supply electricity directly to the grid rather than to individual homes, typically measured in megawatts and sited on open land, desert, or water. For investors, these projects are like factories that produce a steady product — electricity — and matter because they require big upfront capital but can provide long-term, contract-backed revenue, exposure to energy policy and price shifts, and predictable cash flows over decades.