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

FORM6-K

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

For the month of: July, 2025.

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 registrantfiles or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒       Form 40-F ☐

On July 25, 2025, Fusion Fuel Green PLC, an Irishpublic limited company (the “Company”), issued a press release announcing certain contracts that were entered into duringJuly 2025 with Al Shola Al Modea Gas Distribution LLC, the Company’s majority-owned subsidiary, relating to liquified petroleumgas services. 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 Exhibit99.1 hereto and the statements contained therein may include “forward-looking statements” within the meaning ofSection 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, whichstatements involve substantial risks and uncertainties. Forward-looking statements generally relate to future events or the Company’sfuture 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’sexpectations, strategy, plans, or intentions. Forward-looking statements relating to expectations about future results or events are basedupon information available to the Company as of today’s date and are not guarantees of the future performance of the Company, andactual results may vary materially from the results and expectations discussed. The Company’s expectations and beliefs regardingthese matters may not materialize, and actual results in future periods are subject to risks and uncertainties that could cause actualresults to differ materially from those projected, including, without limitation, 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 (the “Annual Report”), and other filings with theSEC. Should any of these risks or uncertainties materialize, or should the underlying assumptions about the Company’s business andthe commercial markets in which the Company operates prove incorrect, actual results may vary materially from those described as anticipated,estimated or expected in the Annual Report. All subsequent written and oral forward-looking statements concerning the Company or othermatters and attributable to the Company or any person acting on its behalf are expressly qualified in their entirety by the cautionarystatements above. The Company does not undertake any obligation to publicly update any of these forward-looking statements to reflectevents or circumstances that may arise after the date hereof, except as required by law.

SIGNATURES

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.

Exhibit 99.1

Fusion Fuel Announces New LPG Projects forSubsidiary Al Shola Gas

DUBLIN, Ireland, 25 July 2025 – Fusion Fuel Green PLC (NASDAQ: HTOO) (“Fusion Fuel” or the “Company”), aprovider of integrated energy solutions, today announced that, in July 2025, its majority-owned operating subsidiary, Al Shola Al ModeaGas Distribution LLC (“Al Shola Gas”), confirmed a number of new projects for the installation and maintenance of liquefiedpetroleum gas (“LPG”) systems and the supply of bulk LPG across multiple large-scale residential and commercial developmentsin Dubai, United Arab Emirates.

The largest new projects under contract are valuedat over AED 1.9 million (approximately $517,000). These projects include utility operations and bulk LPG supply for a 20-floor high-riseresidential edifice comprising 722 apartments with a confirmed value of AED 885,000 (approximately $241,000), and utility arrangementsfor an 8-floor mixed-use development comprising residential and commercial spaces, valued at AED 850,000 (approximately $232,000).

In addition to these larger projects, Al Shola Gas confirmed several new contracts with total estimated values of approximately AED 200,000(approximately $54,000).

Collectively, these new orders are expected torepresent a significant contribution to the Al Shola Gas pipeline for the upcoming quarters.

Since the beginning of 2025, Al Shola Gas has averaged between 580 and 630 metric tons (MT) of bulk LPG and 160 to 180 MT of LPG in cylindersper month, underscoring the continued strong demand for LPG supply and services in the UAE market.

John-Paul Backwell, CEO of Fusion Fuel, commented:

“These additional orders demonstrate the strength of Al Shola Gas’s market presence and its ability to secure and servicehigh-profile developments in Dubai. The new projects not only add meaningful near-term revenue but also reinforce our strategy to growour energy services platform in the Gulf region, supporting our broader mission to deliver innovative, sustainable, and reliable energysolutions. The substantial growth in orders and project backlog means that the engineering team at Al Shola Gas is now fully booked forthe upcoming 18 months.”

About Fusion Fuel Green PLC

Fusion Fuel Green PLC (NASDAQ: HTOO) providesintegrated energy engineering, distribution, and green hydrogen solutions through its Al Shola Gas and BrightHy Solutions platforms. Withoperations spanning LPG supply to hydrogen solutions, the Company supports decarbonization across industrial, residential, and commercialsectors.

Forward-Looking Statements

This press release includes “forward-lookingstatements” within the meaning of Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. SecuritiesExchange Act of 1934, as amended, which statements involve substantial risks and uncertainties. Forward-looking statements generally relateto future events or the Company’s future financial or operating performance. In some cases, you can identify these statements becausethey contain words such as “may,” “will,” “believes,” “expects,” “anticipates,”“estimates,” “projects,” “intends,” “should,” “seeks,” “future,”“continue,” “plan,” “target,” “predict,” “potential,” or the negative of suchterms, or other comparable terminology that concern the Company’s expectations, strategy, plans, or intentions. Forward-lookingstatements relating to expectations about future results or events are based upon information available to the Company as of today’sdate and are not guarantees of the future performance of the Company, and actual results may vary materially from the results and expectationsdiscussed. The Company’s expectations and beliefs regarding these matters may not materialize. Actual results in future periodsare subject to risks and uncertainties that could cause actual results to differ materially from those projected, including, without limitation,the risks and uncertainties described under Item 3. “Key Information – D. Risk Factors” and elsewhere in the Company’sAnnual Report on Form 20-F filed with the SEC on May 9, 2025 (the “Annual Report”), and other filings with the SEC. Shouldany of these risks or uncertainties materialize, or should the underlying assumptions about the Company’s business and the commercialmarkets in which the Company operates prove incorrect, actual results may vary materially from those described as anticipated, estimated,or expected in the Annual Report. All subsequent written and oral forward-looking statements concerning the Company or other matters andattributable to the Company or any person acting on its behalf are expressly qualified in their entirety by the cautionary statementsabove. The Company does not undertake any obligation to publicly update any of these forward-looking statements to reflect events or circumstancesthat may arise after the date hereof, except as required by law.

Investor Relations Contact

ir@fusion-fuel.eu

www.fusion-fuel.eu