Ceres spins out RFC Power

Ceres spins out RFC Power, raising £10m but offers little near-term financial clarity.

Risk flags

• ●Execution risk is high because the announcement provides no evidence of commercial traction, revenue, or operational milestones for Certain Energy. The success of the spin-out and the value of Ceres’ retained stake depend entirely on future technology development and market acceptance.
• ●Financial disclosure risk is present, as the announcement omits any historical financials, cash flow, or profitability data for RFC Power. Investors cannot assess whether the business is sustainable or how the new funding will be deployed.
• ●Forward-looking statements dominate the narrative, with key claims about ownership, revenue sharing, and board appointments not yet realised. This creates uncertainty around the timing and likelihood of any financial return to Ceres.
• ●Capital intensity is notable, with £10 million raised for a company valued at around £12 million post-money. This suggests high capital requirements relative to current business scale, increasing the risk if commercialisation is delayed or fails.

Bottom line

This announcement marks a structural shift for Ceres, spinning out RFC Power (now Certain Energy) and participating in a £10 million Series A round. The only concrete outcomes are the funding, the stated post-money valuation, and Ceres’ continued involvement as a major shareholder and service provider. All future benefits—revenue sharing, technology alignment, and board participation—are aspirational and depend on successful commercialisation, which remains unproven and likely years away. There is no evidence of current revenue, product sales, or operational progress, so the investment case rests on potential rather than performance. The narrative is optimistic but lacks near-term financial substance. For investors, this is a long-dated, high-risk bet on unproven technology, and only further disclosure of realised commercial or technical milestones would make the story actionable. The key takeaway: the transaction is real, but the path to financial impact is speculative and unquantified.

Announcement summary

(LSE:CWR) Ceres Power Holdings plc announced the spin-out of RFC Power, a manganese flow battery technology company specialising in long-duration energy storage, which became a fully owned subsidiary within the Ceres Group in September 2025 following the acquisition of its remaining share capital and intellectual property for a nominal amount. RFC Power announced a £10 million Series A funding round led by the British Business Bank, with participation from Centrica plc, Ceres, and Temasek Trust's Catalytic Capital for Climate and Health (C3H). The cash contribution from Ceres amounts to £1 million, with an additional £1.5 million of equity to be issued to Ceres in exchange for in-kind engineering services. RFC Power has a post money value of c.£12 million. Following the fundraise, Ceres will retain c.37% ownership of RFC Power and will receive a share of future revenues from all products sold. Ceres' Chief Financial Officer Stuart Paynter will also join the Board of RFC Power. Following completion of the fundraise and change in ownership, RFC Power has been rebranded to Certain Energy.

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