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____
AXIA Energia S.A. 00.001.180/0001-26 Avenida Graça Aranha, 26 – Centro Rio de Janeiro │RJ – Brasil │20030-900
Settlement of the 10th Debenture Issuance – AXIA Energia Rio de Janeiro, July 17, 2026, AXIA Energia S.A. (“Company”
or “AXIA Energia”), informs that, further to the material fact disclosed on Jun 25, 2026, the settlement of its 10th issuance
of unsecured, non-convertible debentures, divided into two series, occurred on this date. The debentures were offered through a public
distribution conducted under the automatic registration procedure, pursuant to CVM Resolution No. 160/2022, and targeted exclusively at
professional investors, in accordance with applicable regulations. The table below summarizes the final terms achieved and the allocation
of the offerings settled on this date: AXIA Energia 10ª Issuance Issue amount R$ 2 billion, including the additional allotment option
Type/Secutiry Unsecured Interest Payment Semi-annual, with no grade period Series (considering the outcome of the Bookbuilding Procedure)
1st 2nd Number of Debentures (including the additional allotment option) 1,339,500 660,500 Amortization Bullet repayment in a single installment
on the maturity date, July 15, 2033 Annual repayments beginning in the 8th year: July 15, 2034, July 15, 2035, and July 15, 2036 Interest
rate (considering the outcome of the Bookbuilding procedure) DI rate + 0.70% DI rate + 0.85% Term and maturity 7 years – 06.15.2033
10 years – 06.15.2036 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: July 17, 2026
| AXIA Energia S.A. |
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| By: |
/S/ Eduardo Haiama
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Eduardo Haiama
Vice-President of Finance and Investor Relations |
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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.