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 July, 2026
Commission File Number 1-34129
AXIA Energia S.A.
(Exact name of registrant as specified in its
charter)
AXIA Energia S.A.
(Translation of Registrant's name into English)
Avenida Graça Aranha, 26
Centro, CEP 20030-900
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____
MARKET NOTICE
OF THE PUBLIC OFFERING
FOR THE DISTRIBUTION OF THE 11TH (ELEVENTH) ISSUE OF SIMPLE DEBENTURES, NOT CONVERTIBLE INTO SHARES, OF THE UNSECURED TYPE, IN A SINGLE
SERIES, FOR PUBLIC DISTRIBUTION, UNDER THE AUTOMATIC REGISTRATION PROCEDURE, OF
AXIA ENERGIA S.A.
CNPJ no. 00.001.180/0001-26
in the total amount of
R$ 500,000,000.00
(five hundred million reais)
ISIN CODE OF DEBENTURES: BRAXIADBS0I5
Risk Rating of the Issue to be
assigned by Standard & Poor’s*
*The risk rating must be
obtained prior to registration of the Offer and communicated to the market in accordance with CVM Resolution 160.
DISCLOSURE OF A PROSPECTUS
WAS WAIVED, PURSUANT TO ITEM I OF ARTICLE 9, AND OF THE INFORMATION SHEET, IN ACCORDANCE WITH §1 OF ARTICLE 23, BOTH OF CVM RESOLUTION
160 (AS DEFINED BELOW) FOR THE EXECUTION OF THIS OFFER (AS DEFINED BELOW).
| 1 | SECURITY OFFERED AND IDENTIFICATION OF THE OFFEROR |
AXIA
ENERGIA S.A., a corporation registered as a securities issuer, category “A”, with the Brazilian Securities and
Exchange Commission (“CVM”), in an operational phase,
headquartered in the city of Rio de Janeiro, state of Rio de Janeiro, at Avenida Graça Aranha, No. 26, Store A, Centro, ZIP Code
20.030-900, registered with the National Register of Legal Entities of the Ministry of Finance (“CNPJ”)
under no. 00.001.180/0001-26, with its constitutive acts registered with the Board of Trade of the State of Rio de Janeiro (“JUCERJA”)
under NIRE 33.300.346.767 (“Issuer”), together with
BTG PACTUAL INVESTMENT BANKING LTDA., an institution that is part
of the securities distribution system, with an office in the City of São Paulo, State of São Paulo, at Avenida Brigadeiro
Faria Lima, No. 3.477, 14th floor, ZIP Code 04538-133, registered with the CNPJ under no. 46.482.072/0001-13 (“Lead
Coordinator”) and with XP INVESTIMENTOS CORRETORA DE CÂMBIO,
TÍTULOS E VALORES MOBILIÁRIOS S.A., a financial institution that is part of the securities distribution system, headquartered
in the city of Rio de Janeiro, state of Rio de Janeiro,
at Praia do Botafogo, No. 501, block 1, ZIP Code
22.250-911, enrolled with the CNPJ under No. 02.332.886/0001-04 ("XP Investimentos"
and, together with the Lead Coordinator, the "Coordinators"),
communicate, pursuant to article 57 of CVM Resolution No. 160, of July 13, 2022, as in force ("CVM
Resolution 160"), that, as of the present date, the public offer for the distribution of, initially, 500,000 (five hundred
thousand) simple debentures, not convertible into shares, of the unsecured type, in a single series, of the 11th (eleventh) issue of the
Issuer ("Issue" and "Debentures",
respectively), with a unit par value of R$ 1,000.00 (one thousand reais), on the date of issue, that is, July 15, 2026 (“Issue
Date”), totaling, on the Issue Date, the amount of, initially, R$ 500,000,000.00 (five hundred million reais). The Debentures
will be intended exclusively for professional investors, as defined in articles 11 and 13 of CVM Resolution No. 30, of May 11, 2021, as
amended ("Professional Investors"), and are therefore
subject to the automatic registration procedure for public offering of securities distribution, pursuant to article 25 and article 26,
item IV, subitem "a", of CVM Resolution 160, article 19 of Law No. 6,385, of December 7, 1976, as amended, and other applicable
legal and regulatory provisions ("Offering"), as provided
in the "Private Instrument of the Deed of the 11th (Eleventh) Issuance
of Simple Debentures, Non-Convertible into Shares, of the Unsecured Type, in a Single Series, for Public Distribution, under the Automatic
Registration Procedure, of AXIA Energia S.A.“, executed on July 17, 2026, between the Issuer and VÓRTX
DISTRIBUIDORA DE TÍTULOS E VALORES MOBILIÁRIOS LTDA., a financial institution authorized to operate by the Central
Bank of Brazil, incorporated as a limited liability business company, with headquarters in the city of São Paulo, state of São
Paulo, at Rua Gilberto Sabino, No. 215, unit 41, room 2, Pinheiros, ZIP Code 05.425-020, enrolled in the CNPJ under No. 22.610.500/0001-88,
in the capacity of trustee, representing the community of holders of the Debentures ("Indenture").
The procedure used to gather interest in the
investment, organized by the Coordinators, with or without receiving reserves, without minimum or maximum lots, will be adopted to verify
the demand for the Debentures, in order to define, in agreement with the Issuer, (i)
the final Debenture Remuneration rate (as defined in the Indenture), observing the Ceiling Rate (as defined in the Indenture);
and (ii) the Redemption Premium Factor (as defined in the Indenture)
and the Amex Premium Factor (as defined in the Indenture) ("Bookbuilding
Procedure").
The Debentures will be issued in the manner provided
for in article 2 of Law No. 12.431, of June 24, 2011, as amended (“Law
12.431”), and in Decree No. 11.964, of March 26, 2024, as amended (“Decree
11.964”), or rules that amend, replace or complement them. The Project (as defined below) was filed with the National
Secretariat for Energy Transition and Planning of the Ministry of Mines and Energy (“MME”)
under No. 48340.004093/2026-64, on July 07, 2026.
Pursuant to article 2, paragraph 1, of Law 12.431,
Decree 11.964, and Resolution of the National Monetary Council ("CMN")
No. 5.034, of July 21, 2022, as amended ("CMN Resolution 5.034"),
the funds raised by the Issuer through the Debentures will be used exclusively for future payment, reimbursement of expenses, costs or
debts related to the implementation of the project described below ("Project")
that have occurred within a period equal to or less than 48 (forty-eight) months from the closing date of the Offer:
| MME Filing |
48340.004093/2026-64, on 07/07/2026. |
| Corporate Name and CNPJ of the Priority Project Holder |
Santo Antônio Energia S.A.; CNPJ: 09.391.823/0001-60 |
| Priority Sector in which the Project is Classified |
Energy - Generation from renewable sources (Art. 4, III, point "a") |
| Project Name |
HPP Santo Antônio |
| Project Purpose |
Payment of future expenses or reimbursement of
expenditures, expenses or debts related to projects for investment in CAPEX related to the implementation, operation, maintenance and
modernization of the UHE Santo Antônio,
subject of MME Concession Agreement No. 01/2008. |
| Project Objective |
Generation of renewable electricity for commercialization
in free and regulated energy
markets. |
| Project Start Date |
March/2012 |
| Estimated Project Closure Date |
October/2047 |
| Current Project Phase |
The Santo Antônio HPP has been in operation
since 03.30.2012. |
| Social or environmental benefits arising from the implementation of the Project |
The HPP generates jobs in the region, as well
as revenues for the municipality, fostering local development. In addition, the project owner is part of the Axia group, which is committed
to sustainable development and the preservation of the areas around its projects. It is noteworthy that, in its business, the Axia group
considers aspects related to climate change, including goals to reduce and neutralize its emissions. The group also makes several social
investments and continuously
forms partnerships for social programs. |
|
Estimated volume of financial resources required to
carry
out the Project |
R$ 20,076,000,000.00 |
|
Volume of financial resources
estimated to be raised through Issue |
R$ 500,000,000.00 |
|
Percentage that is estimated to be raised with the
Debentures in view of
the Project's financial resources needs |
2.49% |
| 3 | WAIVER OF PROSPECTUS AND OFFER INFORMATION SHEET |
The Debentures shall be offered exclusively to
Professional Investors, therefore disclosure of a prospectus and information sheet and the use of an Offer acceptance document are waived,
pursuant to article 9, item I and §3, and article 23, §1, both of CVM Resolution 160.
| 4 | AUTOMATIC REGISTRATION PROCEDURE FOR DISTRIBUTION |
The Offer will be made under the automatic registration
procedure and has not been submitted to the prior analysis of the Brazilian Association of Financial and Capital Market Entities (“ANBIMA”)
or any regulatory or self-regulatory entity, pursuant to article 26, item IV, item “a”, and article 27, item I, both of CVM
Resolution 160, considering that (i) the Issuer qualifies as a frequent
issuer of fixed income securities – EFRF, as it is an issuer with great exposure to the market – EGEM, as provided for in
item I, article 38-A of CVM Resolution No. 80, of March 29, 2022, as in force; (ii)
the Debentures are non-convertible and not exchangeable into shares issued by the Issuer; and (iii)
the Offer will be intended exclusively for Professional Investors.
The Offer shall be registered with ANBIMA within
7 (seven) days from the date of publication of the Offer closing announcement, pursuant to articles 15 and 18 of the "Rules
and Procedures for Public Offerings", as in force, an integral part of the "ANBIMA
Self-Regulation Code for Structuring, Coordination and Distribution of Public Offerings of Securities and Public Takeover Offers",
as in force.
Automatic registration of the Offer was requested on July
17, 2026.
| 5 | ESTIMATED SCHEDULE OF OFFER STAGES |
Below is an estimated schedule of the main stages of the
Offer:
| No. |
EVENT (1) |
DATE (2) |
| 1 |
Submission of electronic application form for the Offer to the CVM |
07/17/2026 |
| 2 |
Publication of this Notice to the Market |
07/17/2026 |
| 3 |
Bookbuilding Procedure |
07/24/2026 |
| 4 |
Publication of market notice regarding the result of the Bookbuilding Procedure |
07/27/2026 |
| 5 |
Registration of the Offer with the CVM |
07/27/2026 |
| 6 |
Publication of the Start Announcement |
07/27/2026 |
| 7 |
Financial Settlement Date of the Debentures |
07/28/2026 |
|
8 |
Maximum date for publication of the Closing Notice |
180 days from Start Announcement date |
(1)
Any communications or announcements relating to the Offer shall be made available on the websites
of the CVM, B3, the Issuer and the Lead Coordinator, under the terms provided in article 13 of CVM Resolution 160.
(2)
The dates foreseen for future events are merely indicative and are subject to changes, delays and
anticipations without prior notice, at the discretion of the Issuer and the Lead Coordinator. Any modification to the distribution schedule
must be communicated to the CVM and may be analyzed as a modification of the Offer, following the provisions of articles 67 and 69 of
CVM Resolution 160.
Additional information regarding the Issue, the
Offer, the distribution and the Debentures may be obtained from the Coordinators or from the CVM.
The capitalized terms used in this “Market
Notice of the Public Offering for the Distribution of the 11th (eleventh) Issue of Simple Debentures, Not Convertible into Shares, of
the Unsecured Type, in a Single Series, for Public Distribution, under the Automatic Registration Procedure, of AXIA Energia S.A.”
(“Market Notice”), which are not defined herein, shall
have the meaning assigned to them in the Indenture.
REGISTRATION OF THE PRESENT
PUBLIC DISTRIBUTION OFFER SHALL NOT IMPLY, ON THE PART OF THE CVM, GUARANTEE OF THE TRUTHFULNESS OF THE INFORMATION PROVIDED OR JUDGMENT
ON THE QUALITY OF THE ISSUER, AS WELL AS ON THE DEBENTURES TO BE DISTRIBUTED. THE SECURITIES SUBJECT TO THE OFFER ARE PRIMARILY EXPOSED
TO THE CREDIT RISK OF THE ISSUER.
CAREFULLY READ THE TERMS
AND CONDITIONS OF THE INDENTURE AND THE ISSUER'S REFERENCE FORM BEFORE MAKING YOUR INVESTMENT DECISION, PARTICULARLY THE "RISK FACTORS"
SECTIONS OF THE ISSUER'S REFERENCE FORM, TO ASSESS THE RISKS THAT SHOULD BE CONSIDERED BEFORE INVESTING IN THE DEBENTURES.
AN INVESTMENT INTENTION
COLLECTION PROCEDURE SHALL BE CONDUCTED BY THE COORDINATORS PURSUANT TO ARTICLES 61 AND 62 OF CVM RESOLUTION 160.
THE MARKET OFFER IS IRREVOCABLE,
BUT MAY BE SUBJECT TO PREVIOUSLY INDICATED CONDITIONS THAT CORRESPOND TO A LEGITIMATE INTEREST OF THE ISSUER AND WHOSE IMPLEMENTATION
DOES NOT DEPEND ON DIRECT OR INDIRECT ACTION BY THE ISSUER OR PERSONS LINKED TO IT, PURSUANT TO ARTICLE 58 OF CVM RESOLUTION 160.
THE INFORMATION CONTAINED
IN THIS MARKET NOTICE AND IN THE MARKET COMMUNICATIONS HAS NOT BEEN REVIEWED BY THE CVM, ANBIMA, OR ANY SELF-REGULATORY BODY.
CONSIDERING THAT THE OFFER
IS SUBJECT TO THE AUTOMATIC REGISTRATION PROCEDURE FOR DISTRIBUTION, REGISTRATION OF THE OFFER DOES NOT REQUIRE PRIOR ANALYSIS BY THE
CVM AND ANBIMA. ACCORDINGLY, THE DOCUMENTS RELATING TO THE DEBENTURES AND THE OFFER HAVE NOT BEEN AND SHALL NOT BE SUBJECT TO REVIEW BY
THE CVM AND/OR ANBIMA, INCLUDING, WITHOUT LIMITATION, THIS MARKET NOTICE AND ALL OTHER OFFER DOCUMENTS.
FURTHER INFORMATION ABOUT
THE ISSUER AND THE DISTRIBUTION MAY BE OBTAINED FROM THE COORDINATORS AND OTHER INSTITUTIONS PARTICIPATING IN THE DISTRIBUTION CONSORTIUM,
OR FROM THE CVM.
THIS MARKET NOTICE IS FOR INFORMATIONAL PURPOSES
ONLY AND DOES NOT CONSTITUTE AN OFFER TO SELL SECURITIES.
THE DEBENTURES SHALL BE SUBJECT TO RESALE RESTRICTIONS,
AS INDICATED IN ARTICLE 86, ITEM I, OF CVM RESOLUTION 160.
Rio de Janeiro, July 17, 2026.
LEAD COORDINATOR

COORDINATOR

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: July 22, 2026
| AXIA Energia S.A. |
| |
|
|
| 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.