As filed with the Securities and Exchange Commission on April 26, 2023 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 Commission file number: 001-14668 COMPANHIA PARANAENSE DE ENERGIA – COPEL (Exact Name of Registrant as Specified in its Charter) Energy Company of Paraná The Federative Republic of Brazil (Translation of Registrant’s Name into Engli ...