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, 2025
 
Commission File Number 1-34129
 
 
CENTRAIS ELÉTRICAS BRASILEIRAS S.A.
- ELETROBRÁS
(Exact name of registrant as specified in its
charter)
BRAZILIAN ELECTRIC POWER COMPANY
(Translation of Registrant's name into English)
Rua da Quitanda, 196 – 24th floor,
Centro, CEP 20091-005,
Rio de Janeiro, RJ, Brazil
(Address of principal executive office)
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____
    
    
    
Classificação: Pública Transmission Auction Rio de Janeiro, October 31, 2025, AXIA Energia announces that has successfully
acquired lots 6A, 6B, 7A, and 7B in Transmission Auction No. 04/2025, held today by the Brazilian Electricity Regulatory Agency –
ANEEL, as detailed below. Lot Description Location (State) ANEEL Maximum RAP¹ (BRL million) Purchase RAP (BRL million) Discount (%)
ANEEL Capex (BRL million) Term (months) 6A SE 500 kV Nova Ponte 3 - Compensações Síncronas 2 x (-200/+300) Mvar;
MG 88,25 43,10 51,17 542,27 42 6B SE 500 kV Paracatu 4 - Compensação Síncrona 1 x (-200/+300) Mvar MG 46,03 23,74
48,43 282,81 42 7A SE 500 kV Açu III - Compensações Síncronas 2 x (-200/+300) Mva RN 87,33 48,20 44,81 536,45
42 7B SE 500 kV João Câmara III - Compensação Síncrona 1 x (-200/+300) Mvar RN 43,72 23,70 45,79 268,54
42 1 RAP- Receita Anual Permitida. With the outcome of today’s auction, AXIA Energia strengthens its leadership position in the
transmission market, with a focus on value creation and disciplined capital allocation. Eduardo Haiama Vice President of Finance and Investor
Relations
 
 
 
 
    
    
    
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 31, 2025
    | CENTRAIS ELÉTRICAS BRASILEIRAS S.A. - ELETROBRÁS | 
    |   | 
      | 
      | 
    | By: | 
    
         /S/ Eduardo Haiama 
  | 
      | 
    |   | 
    
         Eduardo Haiama 
        Vice-President of Finance and Investor Relations  | 
      | 
 
 
FORWARD-LOOKING STATEMENTS
 
This document may contain estimates and projections that are not statements
of past events but reflect our management’s beliefs and expectations and may constitute forward-looking statements under Section
27A of the Securities Act of 1933, as amended, and Section 21E of the Securities and Exchange Act of 1934, as amended. The words “believes”,
“may”, “can”, “estimates”, “continues”, “anticipates”, “intends”,
“expects”, and similar expressions are intended to identify estimates that necessarily involve known and unknown risks and
uncertainties. Known risks and uncertainties include, but are not limited to: general economic, regulatory, political, and business conditions
in Brazil and abroad; fluctuations in interest rates, inflation, and the value of the Brazilian Real; changes in consumer electricity
usage patterns and volumes; competitive conditions; our level of indebtedness; the possibility of receiving payments related to our receivables;
changes in rainfall and water levels in reservoirs used to operate our hydroelectric plants; our financing and capital investment plans;
existing and future government regulations; and other risks described in our annual report and other documents filed with the CVM and
SEC. Estimates and projections refer only to the date they were expressed, and we do not assume any obligation to update any of these
estimates or projections due to new information or future events. Future results of the Company’s operations and initiatives may
differ from current expectations, and investors should not rely solely on the information contained herein. This material contains calculations
that may not reflect precise results due to rounding.