| Schedule of components of operating expenses |
| | | | | | | | | | | | | | | | | | | | | | 12/31/2025 | | 12/31/2024 | | 12/31/2023 | | Fuel for electricity production | | (1,012,806) | | | (1,991,855) | | | (2,042,867) | | | Construction | | (5,065,204) | | | (4,286,914) | | | (3,291,132) | | | Depreciation and amortization | | (4,576,919) | | | (3,987,774) | | | (3,621,342) | | | Donations and contributions | | (68,467) | | | (145,085) | | | (111,101) | | | Charges on use of the electricity grid | | (4,022,746) | | | (3,954,730) | | | (3,482,126) | | | Energy purchased for resale | | (6,339,557) | | | (4,992,480) | | | (3,028,226) | | | Material | | (214,224) | | | (220,042) | | | (251,098) | | | Estimated losses/Operating provisions (34.1) | | (635,737) | | | 226,600 | | | (1,776,587) | | | Personnel | | (3,690,540) | | | (3,980,847) | | | (4,784,354) | | | Results of acquisitions and divestments¹ | | (7,229,469) | | | (46,581) | | | (704,467) | | | Services | | (2,202,087) | | | (2,237,706) | | | (2,361,562) | | | Others | | (508,613) | | | (1,084,750) | | | (674,774) | | | | (35,566,369) | | | (26,702,164) | | | (26,129,636) | | ¹The amount substantially relates to the reclassification of Eletronuclear as an asset held for sale in the amount of R$7,289,762. See Note 39. |
| | | | | | | | | | | | | | | | | | | 12/31/2025 | | 12/31/2024 | | 12/31/2023 | | Reversal (provision) for litigation | (884,649) | | | 160,290 | | | 1,246,332 | | | Onerous Contracts (see note 22) | 288,120 | | | 386,693 | | | (862,029) | | | Reversals (Constitutions) on estimated losses on investments (see note 16) | 208,796 | | | 250,069 | | | 175,549 | | | Refunds to the RGR Fund | — | | | — | | | (558,360) | | | Implementation of Actions - Compulsory Loan (see note 28) | (201,303) | | | (70,207) | | | 38,987 | | | Actuarial Costs/Expenses | (345,859) | | | (490,053) | | | (559,949) | | | ECL - Consumers and resellers (see note 9) | (217,268) | | | (391,334) | | | (466,598) | | | ECL - Other credits | 133,257 | | | (168,906) | | | 39,906 | | | ECL - Financing and loans (see note 13) | 166,125 | | | (14,553) | | | (21,618) | | | Impairment (see note 19) | 226,734 | | | 533,774 | | | (956,492) | | | Others | (9,690) | | | 30,827 | | | 147,685 | | | (635,737) | | | 226,600 | | | (1,776,587) | |
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