Companhia Paranaense de Energia – Copel ADR 2025年年度报告和过渡报告

FORM20-F ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year endedDecember 31, 2024Commission file number:001-14668 COMPANHIA PARANAENSE DE ENERGIA – COPEL (Exact Name of Registrant as Specified in its Charter) The Federative Republic ofBrazil Title of Each Class Securities registered or to be registered pursuant to Section 12(g) of the Act: NoneSecurities for which there is a reporting obligation pursuant to Section 15(d) of the Act: NoneIndicate the number of outstanding shares of each of the Issuer’s classes of capital or common stock as of December 31, 2024 1,297,723,500Common Shares, without par value3,128,000Class A Preferred Shares, without par value1,676,260,690Class B Preferred Shares, without par value Yes☒No☐ If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filingrequirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 ofRegulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company.See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Securities Exchange Act: Large accelerated filer☒Accelerated filer☐ Non-accelerated filer☐Emerging growth company☐ If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has electednot to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of theExchange Act.☐ †The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its AccountingStandards Codification after April 5, 2012. Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internalcontrol over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (§ 15 U.S.C. 7262(b)) by the registered public accounting firm thatprepared or issued its audit report.☒ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in thefiling reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensationreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ U.S. GAAP☐ IFRS -International Financial Reporting Standardsas issued by the InternationalAccountingStandards Board☒Other☐ If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected tofollow. If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ TABLE OF CONTENTS ITEM 12D. AMERICAN DEPOSITARY SHARES134ITEM 13. DEFAULTS, DIVIDEND ARREARAGES AND DELINQUENCIES134ITEM 14. MATERIAL MODIFICATIONS TO THE RIGHTS OF SECURITY HOLDERS AND USE OF PROCEEDS135ITEM 15. CONTROL AND PROCEDURES135ITEM 16A. AUDIT COMMITTEE FINANCIAL EXPERT136ITEM 16B. CODE OF ETHICS136ITEM 16C. PRINCIPAL ACCOUNTANT FEES AND SERVICES136ITEM 16D. EXEMPTION FROM THE LISTING STANDARDS FOR AUDIT COMMITTEES137ITEM 16E. PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS137ITEM 16F. CHANGES IN REGISTRANT’S CERTIFYING ACCOUNTANT138ITEM 16G. CORPORATE GOVERNANCE138ITEM 16H. MINE SAFETY DISCLOSURE139ITEM 16I. DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS139ITEM 16J. INSIDER TRADING POLICIES139ITEM 16K. CYBERSECURITY140ITEM 17. FINANCIAL STATEMENTS141ITEM 18. FINANCIAL STATEMENTS141ITEM 19. EXHIBITS142TECHNICAL GLOSSARY143SIGNATURES148 Report of Independent Registered Public Accounting Firm2Report of Independent Registered Public Accounting Firm6Consolidated Statements of Financial Position7Consolidated Statements of Income9Consolidated Statements of Comprehensive Income10Consolidated Statements of Changes in Equ