SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the
Securities Exchange Act of 1934
For the month of June, 2025
Commission File Number 1-14668
COMPANHIA PARANAENSE DE ENERGIA
(Exact name of registrant as specified in its
charter)
Energy Company of Paraná
(Translation of Registrant's name into English)
José Izidoro Biazetto, 158
81200-240 Curitiba, Paraná
Federative Republic of Brazil
+55 (41) 3331-4011
(Address of principal executive offices)
Indicate by check
mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form
20-F ___X___ Form 40-F _______
Indicate
by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information
to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
Yes _______ No ___X____

COMPANHIA PARANAENSE DE ENERGIA - COPEL
Registration as Corporate Taxpayer (CNPJ): 76.483.817/0001-20
NIRE 41300036535
Brazilian SEC Registration: 1431-1
B3 (CPLE3, CPLE5, CPLE6)
NYSE (ELP, ELPC)
LATIBEX (XCOP, XCOPO)
EXTRAORDINARY GENERAL MEETING
CALL NOTICE
The Shareholders of Companhia Paranaense de Energia - Copel
are invited to attend the Extraordinary General Meeting, to be held exclusively in digital mode, pursuant to art. 124 of Law no. 6404/76
- Brazilian Corporate Law and CVM Resolution no. 81/2022 - RCVM 81, and therefore be considered to be held at the Company's headquarters,
on August 4, 2025, at 2 p.m., on first call, via the Ten Meetings digital platform (https://assembleia.ten.com.br/685488074),
to decide on the following agenda:
| 1. | Authorization for the
Mangement to submit to B3 S.A. — Brazil, Bolsa, Balcão (“B3”) a request for admission of the Company to
the special segment of the B3 stock market called Novo Mercado, even if under conditions, and of the Company's shares to trading
in said segment; |
| 2. | Amendment of Art. 5 of
the Company's bylaws to create a new class "C" of preferred shares, nominative, book-entry and without nominal value ("PNC"),
compulsorily redeemable, without the need for approval at a special meeting of holders of PNC shares, pursuant to § 6 of Art. 44
of the Corporation Law; |
| 3. | Mandatory conversion of
all class “A” preferred shares (“PNA”) and class “B” preferred shares (“PNB”)
into common shares and PNC preferred shares, so that each PNA or PNB preferred share is conversed into one new common share and one new
PNC share (“Share Conversion”), the effectiveness of which shall be subject to the implementation of the following
conditions precedent (“Conditions Precedent”): |
(i)
ratification of the Share Conversion at an Extraordinary Meeting of
Holders of Preferred Shares, pursuant to Art. 136, § 1 of the Brazilian Corporate Law (“Ratification”);
(ii) approval by creditors whose
financial instruments provide for the early repaiment of Company debts or those of its subsidiaries, as a result of the approval of any
matters provided herein (“Waivers”); and

(iii) effective entry of the Company into the Novo
Mercado segment and effective admission to trading of the Company's shares in the Novo Mercado segment ("Migration
to Novo Mercado").
| 4. | Application of available
reserves in the compulsory redemption of all PNC shares, at a price of R$ 0.7749 per share, without changing the share capital amount,
the effectiveness of which will be subject to the implementation of the Conditions Precedent (“Redemption”); |
| 5. | Amendment and consolidation
of the Company's bylaws to provide for Share Conversion, Redemption, improvement in governance and authority rules and inclusion of the
provisions required by the Novo Mercado listing regulation, pursuant to the management proposal, whose effectiveness will be conditioned
to the implementation of the Conditions Precedent ("Amendment of Bylaws"); |
| 6. | Authorization for Management to take all
necessary actions to implement the above resolutions. |
Documents referring to the matters to be discussed at the
Annual General Meeting, including the Management’s Proposal and the Manual for Participation in General Shareholders’ Meetings,
are available for shareholders’ consultation at the Company’s headquarters as well as on its website (ri.copel.com).
The General Meeting shall be carried out exclusively in digital
mode, so the Company’s shareholder may take part:
| (a) | through a voting ballot,
the template for which is available to shareholders on the following
websites: the Company’s (ri.copel.com), Brasil, Bolsa, Balcão - B3 and Brazilian Securities and Exchange Commission (CVM);
or |
| (b) | via digital platform (Ten
Meetings), which shall be accessed personally or by a dully appointed proxy, according to RCVM 81. |
Shareholders may participate in the Meeting whether or not
they have sent in the ballot paper. If they have sent it and choose to also participate in the Meeting, they may change the votes cast
via Ballot by expressing this decision at the beginning of the Meeting.
The Ballots may be sent, under the terms of RCVM 81, through
the shareholders' custody agents, to the Central Depositary of B3 or, if the shares are in a book-entry environment, to the bookkeeper
(Itaú Corretora de Valores S.A.) or, also, directly to the Company, in accordance with the guidelines set out in the Proposal,
by July 31, 2025 or, in the case of service providers, within the period respectively set by them.

To participate in the Meeting via Digital Platform, up to
2 days before the Meeting is held, that is, until August 2, 2025, the shareholder must access the Ten Meetings platform (https://assembleia.ten.com.br/685488074)
fill in all the registration data and attach all the documents necessary for their qualification to participate and/or vote in the Meeting,
namely:
| · | Natural Person Shareholder: |
| a) | vvalid identification document with photo
of the shareholder and the proxy, if applicable; |
| b) | instrument granting powers to a third party,
if the shareholder participates through a proxy; and |
| c) | indication of an e-mail address to receive
an individual invitation to access the Digital Platform and consequently participate in the Meeting. |
| · | Legal Entity Shareholder
or Investment Fund: |
| a) | valid identification document with photo
of the legal representative; |
| b) | documents proving representation, including
a copy of the minutes of the election of the director(s) who represent the shareholder attending the Meeting or who, as the case may be,
grant(s) the power of attorney to attend the Meeting, and the power of attorney instrument; |
| c) | in the case of an investment fund, copies
of: |
| i. | regulations of the fund
in effect; |
| ii. | the articles of association
or bylaws of its manager or administrator, as the case may be, in compliance with the fund's voting policy; and |
| d) | iindication of an e-mail address to receive
an individual invitation to access the Digital Platform and consequently participate in the Meeting. |
For participation by proxy, the granting of powers of representation
must have taken place less than one year previously, pursuant to article 126, paragraph 1 of the Corporate Law.
In addition, in compliance with the provisions of article
654, paragraph 1 and paragraph 2 of the Civil Code, the power of attorney must contain an indication of the place where it was given,
the full qualifications of the grantor and the grantee, the date and purpose of the grant with the designation and extent of the powers
conferred, containing the signature of the grantor.
Natural persons who are shareholders of Copel may only be
represented at the Meeting by a proxy who is a shareholder, officer of the Company, lawyer or financial institution, as provided for in
art. 126, §1 of the Brazilian Corporate Law. Legal entities that are shareholders of the Company may be represented by a proxy appointed
in accordance with their articles of association or bylaws and in accordance with the rules of the Civil Code, without the need for such
person to be an officer of the Company, a shareholder or a lawyer (Proc. CVM RJ2014/3578, j. 4.11.2014)

Shareholders who fail to register and/or report the absence
of receipt of access instructions in the manner and within the time limits set out above and in the Proposal will not be able to participate
in the Meeting. On the date of the Meeting, the shareholder's attendance will only be recorded by accessing the electronic system, in
accordance with the instructions and within the times and deadlines published by the Company.
Pursuant to RCVM 81, additional information and instructions
for access to the Digital Platform and/or submission of the Voting Ballot are included in the Proposal.
Curitiba, June 23, 2025
Marcel Martins Malczewski
Chairman of the Board of Directors
SIGNATURE
Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly
authorized.
Date June 23, 2025
| COMPANHIA PARANAENSE DE ENERGIA – COPEL |
| |
|
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| By: |
/S/
Daniel Pimentel Slaviero
|
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Daniel Pimentel Slaviero
Chief Executive Officer |
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FORWARD-LOOKING STATEMENTS
This press release may contain forward-looking statements.
These statements are statements that are not historical facts, and are based on management's current view and estimates of future
economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes",
"estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended
to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal
operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends
affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect
the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected
events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic
and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual
results to differ materially from current expectations.