As filed with the U.S. Securities and Exchange Commission on April 29, 2024 Registration No. 333-[●] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Alternus Clean Energy, Inc. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorporation or Organization) Delaware 4931 87-1431377 (Primary Standard Industrial Classification Number) (I.R.S. Employer Identification Number) 360 Kingsle ...