Copel(ELP) - 2021 Q4 - Annual Report

As filed with the Securities and Exchange Commission on April 27, 2022 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, 2021 Commission file number: 001-14668 COMPANHIA PARANAENSE DE ENERGIA – COPEL (Exact Name of Registrant as Specified in its Charter) Energy Company of Paraná (Translation of Registrant's Name into English)The Federative Republic of Braz ...