As filed with the U.S. Securities and Exchange Commission on January 19, 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) Delaware 000-41306 87-1431377 (State or Other Jurisdiction of Incorporation or Organization) (Commission File Number) (I.R.S. Employer Identification Number) 360 Kingsley Park Drive, Suite ...