Fusion Fuel (NASDAQ: HTOO) JV BioSteam launches biomass steam project in South Africa

Rhea-AI Filing Summary

Fusion Fuel Green PLC reported that its 51%-owned joint venture, BioSteam Energy, has begun commercial operations at its first biomass-powered industrial steam project at a dairy facility in South Africa. The project is expected to generate approximately $0.7 million in annual revenue from supplying biomass-based steam.

The system replaces fossil-fuel-based steam with biomass, and the company expects this to reduce the facility’s carbon footprint and enable generation of carbon credits through landfill avoidance and fuel-switching. Fusion Fuel also holds a right of first refusal on future in-scope projects developed with partner Alien Fuel, positioning BioSteam Energy as a potential platform for additional industrial decarbonization projects in Southern Africa.

Key Figures

Expected annual revenue: $0.7 million per year Joint venture ownership: 51% interest Commercial operations start date: May 1, 2026

3 metrics

Expected annual revenue $0.7 million per year From BioSteam Energy’s initial biomass steam project

Joint venture ownership 51% interest Fusion Fuel stake in BioSteam Energy

Commercial operations start date May 1, 2026 BioSteam Energy began producing steam

Key Terms

biomass-powered industrial steam, carbon credits, right of first refusal, foreign private issuer, +1 more

5 terms

biomass-powered industrial steam technical

"its first biomass-powered industrial steam project at a well-established dairy facility"

carbon credits financial

"expected to reduce the facility’s carbon footprint while enabling the generation of carbon credits"

Carbon credits are tradable permits that represent the right to emit a specific amount of greenhouse gases, or the removal of that amount from the atmosphere; think of them like coupons companies buy or sell to balance their pollution. They matter to investors because they create costs or potential revenue streams, affect a company's regulatory compliance and reputation, and form a marketable asset whose price can influence profitability and valuation.

right of first refusal financial

"has a right of first refusal on future projects developed by or offered to Alien Fuel"

A right of first refusal gives an existing shareholder or party the chance to buy an asset or shares before the owner can sell them to someone else. Think of it like being offered the first option to buy a house when the owner decides to sell; it matters to investors because it can limit who can acquire a stake, slow or block transactions, and affect the price and liquidity of an investment by restricting open-market sales or new buyers.

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

forward-looking statements regulatory

"include “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: May, 2026.

Commission File Number: 001-39789

Fusion Fuel Green PLC
(Translation of registrant’s name into English)

9 Pembroke Street Upper

Dublin D02 KR83

Ireland
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

On May 11, 2026, Fusion Fuel Green PLC, an Irish public limited company (the “Company”), issued a press release announcing that Biosteam Energy (Proprietary) Limited, a private company incorporated in South Africa (“BioSteam Energy”), and a 51.0%-owned subsidiary of the Company, had begun commercial operations and certain related matters. A copy of the press release is furnished as Exhibit 99.1 to this Report on Form 6-K.

Forward-Looking Statements

The press release attached as Exhibit 99.1 hereto and the statements contained therein include “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended, which statements involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or the Company’s future financial or operating performance. In some cases, you can identify these statements because they contain words such as “may,” “will,” “believes,” “expects,” “anticipates,” “estimates,” “projects,” “intends,” “should,” “seeks,” “future,” “continue,” “plan,” “target,” “predict,” “potential,” or the negative of such terms, or other comparable terminology that concern the Company’s expectations, strategy, plans, or intentions. Forward-looking statements relating to expectations about future results or events are based upon information available to the Company as of today’s date and are not guarantees of the future performance of the Company, and actual results may vary materially from the results and expectations discussed. Such forward-looking statements include, but are not limited to, statements regarding BioSteam Energy, including expected annual revenue generation of approximately $0.7 million from its initial project, potential carbon credit generation, future project development, and the exercise of rights of first refusal on future projects. The Company’s expectations and beliefs regarding these matters may not materialize, and actual results in future periods are subject to risks and uncertainties that could cause actual results to differ materially from those projected, including, without limitation, risks related to the operation and performance of BioSteam Energy, including the ability to achieve expected revenue levels from carbon credit generation or other related revenue; the risk that actual revenue from BioSteam Energy’s initial project may be less than the approximately $0.7 million per annum currently expected due to operational disruptions, reduced customer demand, pricing changes, failure to generate carbon credits, or other factors; the availability, cost, and reliability of biomass feedstock supply; risks associated with operating in South Africa, including political, regulatory, economic, and currency exchange risks; changes in environmental laws, carbon credit certification standards, or government incentive programs that could affect the viability or value of carbon credits; the ability of BioSteam Energy to secure and develop additional projects, including through the exercise of rights of first refusal; dependence on the joint venture relationship, including risks related to disagreements between joint venture partners or changes in strategic priorities; technology and operational risks associated with biomass-powered steam generation systems, including unplanned downtime or underperformance; the Company’s ability to manage and integrate its international operations; competition from existing or new offerings that may emerge; impacts from strategic changes to the Company’s business on net sales, revenues, income from continuing operations, or other results of operations; the Company’s ability to obtain sufficient funding to maintain operations and develop additional services and offerings; and the risks and uncertainties described under Item 3. “Key Information – D. Risk Factors” and elsewhere in the Company’s Annual Report on Form 20-F filed with the U.S. Securities and Exchange Commission (the “SEC”) on May 9, 2025, and other filings with the SEC. Should any of these risks or uncertainties materialize or should the underlying assumptions about the Company’s business and the commercial markets in which the Company operates prove incorrect, actual results may vary materially from those described as anticipated, estimated or expected. All subsequent written and oral forward-looking statements concerning the Company or other matters and attributable to the Company or any person acting on its behalf are expressly qualified in their entirety by the cautionary statements above. The Company does not undertake any obligation to publicly update any of these forward-looking statements to reflect events or circumstances that may arise after the date hereof, except as required by law.

Exhibit No.		Description
99.1		Press Release dated May 11, 2026

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Fusion Fuel Green PLC
	(Registrant)
Date: May 11, 2026	/s/ Frederico Figueira de Chaves
	Frederico Figueira de Chaves
	Chief Executive Officer

Exhibit 99.1

Fusion Fuel Announces BioSteam Energy Has Begun Commercial Operations

Majority-owned joint venture begins biomass-powered steam operations at dairy facility in South Africa, with right of first refusal on future projects

Dublin, May 11, 2026 (GLOBE NEWSWIRE) — Fusion Fuel Green PLC (Nasdaq: HTOO) (“Fusion Fuel” or the “Company”), a leading provider of full-service energy engineering, advisory, and utility solutions, today announced that Biosteam Energy (Proprietary) Limited (“BioSteam Energy”), the Company’s majority-owned joint venture has completed installation and commissioning and commenced commercial operations for its first biomass-powered industrial steam project at a well-established dairy facility in South Africa. This project is expected to generate approximately $0.7 million in annual revenue with further potential projects in the pipeline.

Developed in partnership with Alien Fuel (Proprietary) Limited (“Alien Fuel”), the project establishes Fusion Fuel’s first operations in Southern Africa. The system replaces a fossil-fuel-based steam generation process with a biomass alternative, and is expected to reduce the facility’s carbon footprint while enabling the generation of carbon credits through landfill avoidance and fuel-switching benefits.

Under the terms of the joint venture, Fusion Fuel holds a 51% interest in BioSteam Energy and has a right of first refusal on future projects developed by or offered to Alien Fuel or its related entities within the scope of the joint venture’s business.

“This project represents an important step in executing our strategy to deploy scalable, revenue-generating and carbon-reducing energy solutions for transitioning industries,” said Frederico Figueira de Chaves, CEO of Fusion Fuel. “Importantly, BioSteam Energy began producing steam on May 1^st, marking the commencement of initial operations at the project. With a right of first refusal on Alien Fuel’s in-scope future projects, BioSteam Energy provides a foundation for potential growth as demand for industrial decarbonization continues to develop.”

About Fusion Fuel Green PLC

Fusion Fuel Green PLC (Nasdaq: HTOO) provides integrated energy engineering, distribution, and green hydrogen solutions through its Al Shola Gas, BrightHy Solutions, and BioSteam Energy platforms. With operations spanning LPG supply to hydrogen and bio-steam solutions, the Company supports decarbonization across industrial, residential, and commercial sectors. For more information, please visit www.fusion-fuel.eu.

Forward-Looking Statements

This press release and the statements contained herein include “forward-looking statements” within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended, which statements involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or the Company’s future financial or operating performance. In some cases, you can identify these statements because they contain words such as “may,” “will,” “believes,” “expects,” “anticipates,” “estimates,” “projects,” “intends,” “should,” “seeks,” “future,” “continue,” “plan,” “target,” “predict,” “potential,” or the negative of such terms, or other comparable terminology that concern the Company’s expectations, strategy, plans, or intentions. Forward-looking statements relating to expectations about future results or events are based upon information available to the Company as of today’s date and are not guarantees of the future performance of the Company, and actual results may vary materially from the results and expectations discussed. Such forward-looking statements include, but are not limited to, statements regarding BioSteam Energy, including expected annual revenue generation of approximately $0.7 million from its initial project, potential carbon credit generation, future project development, and the exercise of rights of first refusal on future projects. The Company’s expectations and beliefs regarding these matters may not materialize, and actual results in future periods are subject to risks and uncertainties that could cause actual results to differ materially from those projected, including, without limitation, risks related to the operation and performance of BioSteam Energy, including the ability to achieve expected revenue levels from carbon credit generation or other related revenue; the risk that actual revenue from BioSteam Energy’s initial project may be less than the approximately $0.7 million per annum currently expected due to operational disruptions, reduced customer demand, pricing changes, failure to generate carbon credits, or other factors; the availability, cost, and reliability of biomass feedstock supply; risks associated with operating in South Africa, including political, regulatory, economic, and currency exchange risks; changes in environmental laws, carbon credit certification standards, or government incentive programs that could affect the viability or value of carbon credits; the ability of BioSteam Energy to secure and develop additional projects, including through the exercise of rights of first refusal; dependence on the joint venture relationship, including risks related to disagreements between joint venture partners or changes in strategic priorities; technology and operational risks associated with biomass-powered steam generation systems, including unplanned downtime or underperformance; the Company’s ability to manage and integrate its international operations; competition from existing or new offerings that may emerge; impacts from strategic changes to the Company’s business on net sales, revenues, income from continuing operations, or other results of operations; the Company’s ability to obtain sufficient funding to maintain operations and develop additional services and offerings; and the risks and uncertainties described under Item 3. “Key Information – D. Risk Factors” and elsewhere in the Company’s Annual Report on Form 20-F filed with the SEC on May 9, 2025, and other filings with the SEC. Should any of these risks or uncertainties materialize or should the underlying assumptions about the Company’s business and the commercial markets in which the Company operates prove incorrect, actual results may vary materially from those described as anticipated, estimated or expected. All subsequent written and oral forward-looking statements concerning the Company or other matters and attributable to the Company or any person acting on its behalf are expressly qualified in their entirety by the cautionary statements above. The Company does not undertake any obligation to publicly update any of these forward-looking statements to reflect events or circumstances that may arise after the date hereof, except as required by law.

Investor Relations Contact:

ir@fusion-fuel.eu

www.fusion-fuel.eu

FAQ

What did Fusion Fuel Green PLC (HTOO) announce in its May 2026 Form 6-K?

Fusion Fuel Green PLC announced that its 51%-owned joint venture, BioSteam Energy, began commercial operations on a biomass-powered steam project in South Africa, marking its first operational presence in Southern Africa and creating a new recurring revenue stream from industrial steam supply.

How much revenue is BioSteam Energy’s initial project expected to generate for Fusion Fuel (HTOO)?

The initial biomass-powered steam project is expected to generate approximately $0.7 million in annual revenue. This comes from supplying industrial steam to a dairy facility in South Africa and may be complemented over time by potential revenues linked to carbon credit generation.

What type of facility is served by Fusion Fuel’s BioSteam Energy project in South Africa?

BioSteam Energy’s first commercial project provides biomass-powered industrial steam to a well-established dairy facility in South Africa. The system replaces a fossil-fuel-based steam generation process, aiming to lower the facility’s carbon footprint through cleaner energy and potential carbon credit benefits.

What ownership stake does Fusion Fuel (HTOO) hold in BioSteam Energy?

Fusion Fuel holds a 51% interest in BioSteam Energy, giving it majority ownership of the biomass-focused joint venture. This structure lets Fusion Fuel consolidate strategic control while partnering with Alien Fuel to develop additional industrial decarbonization projects within the joint venture’s defined business scope.

What strategic rights does Fusion Fuel have for future BioSteam Energy projects?

Under the joint venture terms, Fusion Fuel has a right of first refusal on future projects developed by or offered to Alien Fuel and its related entities within the joint venture’s scope. This provides priority access to additional biomass steam and decarbonization opportunities tied to BioSteam Energy.

How does the BioSteam Energy project support Fusion Fuel’s decarbonization strategy?

The project replaces fossil-fuel steam with biomass-powered steam, which is expected to reduce emissions and enable carbon credit generation. This aligns with Fusion Fuel’s strategy of deploying scalable, revenue-generating and carbon-reducing energy solutions across industrial sectors, particularly as demand for industrial decarbonization develops.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 13.8 KB