Eos Energy Forms Frontier Power Joint Venture, Secures $150 Million Investment from Cerberus and Hudson Bay

The Offering is being conducted under an effective shelf registration statement with a base prospectus and a separate prospectus supplement; investors can obtain the preliminary prospectus and related materials, and copies can be requested via ir@eose.com or accessed for free on the SEC's website.
The amended and restated term sheet (A&R Term Sheet) revises the May 12, 2026 binding term sheet to form Frontier Power USA Parent, LLC as the JV Company, with CCM Frontier JV Holdco, LLC (an affiliate of Cerberus) expected to receive 50,000,001 Class A-1 Units in the JV.
Hudson Bay Capital Management's affiliate, HBC MSF Capital Solutions Blocker II LLC, is identified as a participant in the A&R Term Sheet, highlighting Hudson Bay's involvement in providing financing for the JV.
Closing of the joint venture is conditioned on DOE consent and the execution of definitive agreements, indicating regulatory approval is a key gating factor for advancing the frontier power development platform.
Eos Energy Enterprises (NASDAQ: EOSE) is betting big on a new energy storage venture. The company announced a $75 million registered direct offering of common stock and warrants to Yahoo Finance, aimed at funding its stake in Frontier Power USA — a joint venture backed by private equity heavyweights Cerberus Capital Management and Hudson Bay Capital Management.
The JV structure targets $150 million in total preferred capital — $100 million from Cerberus and $50 million from Hudson Bay. Eos plans to match that with a separate $150 million rights offering to existing shareholders. Closing hinges on one critical gatekeeper: the U.S. Department of Energy.
Under the amended and restated term sheet filed with the SEC, Cerberus will contribute $100 million in preferred capital through its affiliate CCM Frontier JV Holdco, LLC. In return, it receives 50,000,001 Class A-1 Units in Frontier Power USA Parent, LLC. Hudson Bay contributes $50 million and gets warrants plus a specific exchange right — a provision letting it swap its stake under defined conditions, according to Stock Titan.
The A&R Term Sheet revises an earlier binding agreement signed on May 12, 2026. That original deal was between Eos and Cerberus alone. Hudson Bay's addition signals growing institutional confidence in the Frontier Power platform. The JV is designed to develop, own, and operate energy storage assets powered by Eos's zinc-based battery technology.
To raise its share of the JV capital, Eos priced a registered direct offering of 13,683,634 shares of common stock alongside warrants, according to Yahoo Finance. The buyer is Hudson Bay Capital Management. The offering is conducted under an existing shelf registration — a pre-approved SEC filing that lets companies sell securities quickly. Investors can get the prospectus at ir@eose.com or directly from the SEC's website.
Benzinga reported the total offering size at approximately $75 million. Eos will also run a separate $150 million rights offering — selling new shares directly to existing shareholders at a set price. Together, these two raises are designed to cover Eos's full equity contribution to the Frontier Power JV without relying on traditional debt markets.
The JV cannot close until the Department of Energy gives its consent. This is not a formality. The DOE previously issued a conditional $398.6 million loan commitment to Eos for its zinc battery manufacturing project, known as Project Monolith, based in Turtle Creek, Pennsylvania. Any major ownership change at Eos requires the DOE's sign-off to protect the government's financial stake in that loan.
If the DOE approves, analysts see the JV as a turning point. Eos would shift from selling batteries to running a "power-as-a-service" platform. The Frontier Power vehicle would act as its own anchor customer — buying Eos batteries for the projects it develops. That model could help fill Eos's Turtle Creek factory while reducing dependence on outside buyers.
The financing plan is not without cost to existing investors. The registered direct offering and the $150 million rights offering together add significant new shares to Eos's float — meaning current shareholders own a smaller piece of the company after both deals close. The JV's "distribution waterfall" structure means Cerberus and Hudson Bay, holding preferred units, get paid first before common shareholders see returns.
Still, the strategic logic is hard to ignore. Long-duration energy storage — the market Eos competes in — is projected to need between $1.5 trillion and $3 trillion in global investment by 2040 to meet climate goals. By forming Frontier Power USA with two major private equity firms, Eos is positioning itself not just as a battery maker, but as a platform company built to capture a slice of that enormous market.
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