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 October, 2021

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____

Registration as Corporate Taxpayer (CNPJ): 76.483.817/0001-20

LISTED COMPANY

Brazilian SEC Registration: 1431-1

US SEC Registration (ordinary shares): 20441B308

US SEC Registration (preferred, class B): 20441B407

Spanish SEC Registration (Latibex, preferred, class B): 29922

203^rd EXTRAORDINARY GENERAL MEETING

CALL NOTICE

The Shareholders of Companhia Paranaense de Energia - Copel are invited to attend the Extraordinary General Meeting to be carried out partially in digital form, pursuant to CVM instruction no. 481/2009, on November 26, 2021, at 11 a.m., at the Company’s head office located at Rua José Izidoro Biazetto nº 158, Bloco A, Bairro Campo Comprido, CEP 81200-240, Curitiba - PR and via Microsoft Teams, to decide on the following agenda:

EXTRAORDINARY GENERAL MEETING

a)   attribution of powers to the General Shareholders' Meeting to approve the indemnity policy, general conditions of the indemnity agreement, validation of indemnity in cases where the amounts have a significant impact on the Company's financial structure, and situations where more than half of the managers are potential beneficiaries concomitantly due to the same fact, as defined in the indemnity policy;

b)  adjustment in the attribution of the Board of Directors, which now has the competence to approve the execution of indemnity agreements, observing the indemnity policy and the general conditions of the indemnity agreements approved by the General Shareholders' Meeting;

c)   exclusion, in the Company's Bylaws, of the conditions imposed by the controlling shareholder regarding the migration to Level 2 of Governance of Brasil, Bolsa, Balcão - B3; and

d) consolidation of such proposed statutory changes in the Company's current Bylaws.

Documents referring to the matters to be discussed at the General Meeting, including the Manual for Participation in General Shareholders’ Meetings and the Management's Proposal, are available for shareholders’ consultation at the Company’s headquarters as well as on its website (ri.copel.com).

Considering the effects of the COVID-19 (coronavirus) pandemic in Brazil and the measures adopted by health authorities and governments to address it, the Extraordinary General Meeting shall be carried out in a partially digital mode, so the Company’s shareholder may take part in the General Meeting:

(a) through a ballot paper for the exercise of his/her voting right at a distance, whose template is available to shareholders on the following websites: the Company’s (http://ri.copel.com), Brasil, Bolsa, Balcão - B3 and Brazilian Securities and Exchange Comission (CVM);

(b) via digital platform (Microsoft Teams), which shall be accessed personally or by a dully appointed proxy, according to CVM Instruction no. 481/2009; or

(c) attending it in person, at the Company’s head office, located at Rua José Izidoro Biazetto
nº 158, Bloco A, Bairro Campo Comprido, CEP 81200-240, Curitiba - PR, Brazil, or by appointing a proxy with specific powers to represent him/her, who shall attend it in person.

We inform you that the shareholder may participate in the Meeting having or not sent the Ballot Paper, but if he/she chooses to vote at the Meeting, any voting instructions previously sent by means of the Ballot by the shareholder will be disregarded, and the vote cast at the Meeting will prevail.

Distance voting ballots may be sent, pursuant to CVM Instruction no. 481/09, through the Shareholders' custody agents, to the Bookkeeping Agent for the shares issued by the Company, or directly to the Company, in accordance with the guidelines in the Manual for Participation in Shareholders' Meetings.

The proof of share ownership must be made in accordance with Federal Law no. 6404/1976 - Corporation Law and Copel's Bylaws, as applicable.

To participate in the Meeting in person, it is recommended that powers-of-attorney for the General Meeting, together with all other supporting documents, be sent by e-mail to acionistas@copel.com up to 48 working hours before the Meeting is held.

To participate in the Meeting via Digital Platform, the shareholder must necessarily send a request to the Company, to the e-mail address acionistas@copel.com, up to 48 hours prior to the Meeting, that is, until 11:00 a.m. (Brasília time), on November 24, 2021, which must be duly accompanied by the following documents:

- Individual Shareholder:

(a) valid identification with photo (original or certified copy) of the shareholder;  

(b) proof of ownership of shares issued by Copel, issued by the depositary financial institution or custodian; 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 Legal Entity:

(a) valid identification with photo of the legal representative (original or certified copy);

(b) documents proving representation, including appointment by proxy and copies of professional qualification documents and minutes of the directors' election; and, in the case of an investment fund, copies of (i) bylaws/regulations of the fund in effect, (ii) professional qualification documents of its director, administrator or legal representative, as the case may be; and (iii) the minutes of the election of such persons;

(c) proof of ownership of shares issued by Copel, issued by the depositary financial institution or custodian; and (d) indication of an e-mail address to receive an individual invitation to access the Digital Platform and consequently participate in the Meeting.

The instructions for accessing the Digital Platform and/or sending the Distance Voting Ballots, pursuant to CVM Instruction no. 481/2009, can be found in the Manual for Participation in Shareholders' Meetings. We inform you that under the terms of the legislation in force, the Meeting will be recorded.

Despite the possibility of participating via Digital Platform, Copel recommends shareholders to adopt the Distance Voting Ballots.

We also highlight that, in the case of governmental decrees related to control measures of the COVID-19 (coronavirus) pandemic issued after the publication of this Call Notice, which prevent the physical presence in the meeting, the General Meeting will be held exclusively digitally, as it shall be previously informed to the shareholders through a communication to the market.

Curitiba, October 26, 2021

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 October 27, 2021

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.