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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F ( Mark One ) □ REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR □ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR □ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission File Number 001-39789 FUSION FUEL GREEN PLC ( Exact name of registrant as specified in its charter ) N / A ( Translation of Registrant's name into English ) Ireland ( Jurisdiction of incorporation or organization ) 10 Earlsfort Terrace Dublin 2 , D02 T380 , Ireland ( Address of principal executive offices ) Frederico Figueira de Chaves , Chief Financial Officer 10 Earlsfort Terrace Dublin 2 , D02 T380 , Ireland Tel : +353 1 920 1000 ( Name , telephone , e - mail and / or facsimile number and address of Company contact person ) Securities registered pursuant to Section 12 ( b ) of the Act : Title of each class Trading Symbol ( s ) Class A Ordinary Shares , $ 0.0001 par value per share HTOO Name of each exchange on which registered The Nasdaq Stock Market LLC Warrants to purchase Ordinary Shares Securities registered pursuant to Section 12 ( g ) of the Act : HTOOW The Nasdaq Stock Market LLC None ( Title of class ) Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None ( Title of class )