Clean Earth Acquisitions Corp. completed a business combination with Alternus Energy Group Plc, resulting in a change of name to Alternus Clean Energy Inc. The company issued shares of Class A common stock to AEG and acquired the issued and outstanding equity interests in the Acquired Subsidiaries. The company also entered into various agreements, including employment agreements with executive officers and indemnification agreements with directors and officers. BDO USA P.C. was dismissed as the company's independent registered public accounting firm, and the company intends to appoint a new firm. The company also adopted the 2023 Stock Incentive Plan and the Third Amended and Restated Certificate of Incorporation. Unregistered sales of equity securities occurred, and the company ceased to be a shell company. The filing includes financial statements, pro forma financial information, and other exhibits.