| Schedule of provision for estimated credit loss |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 12/31/2025 | | 12/31/2024 | | Due | | Overdue
up to 90 days | | Overdue
90+ days | | Total | | Total | | Current | | | | | | | | | | | Short Term Electric Power - CCEE | 1,422,943 | | | 67,330 | | | 4 | | | 1,490,277 | | | 2,451,974 | | | Renegotiated Agreements | 334,549 | | | 53,086 | | | 1,423,052 | | | 1,810,687 | | | 1,600,481 | | | Power Supply | 2,078,700 | | | 64,602 | | | 1,651,993 | | | 3,795,295 | | | 4,646,742 | | | Use of the Electric Grid | 1,480,025 | | | 72,220 | | | 850,757 | | | 2,403,002 | | | 777,726 | | | Other Receivables | 31,063 | | | 7,344 | | | 28,527 | | | 66,934 | | | — | | | (-) ECL | (213,270) | | | (101,848) | | | (3,675,488) | | | (3,990,606) | | | (3,565,446) | | | 5,134,010 | | | 162,734 | | | 278,845 | | | 5,575,589 | | | 5,911,477 | | | Non-current | | | | | | | | | | | Short Term Electric Power - CCEE | — | | | — | | | 9,548 | | | 9,548 | | | 9,548 | | | Renegotiated Agreements | 615,221 | | | — | | | — | | | 615,221 | | | 876,534 | | | Power Supply | — | | | — | | | 280,138 | | | 280,138 | | | 280,138 | | | Use of the Electric Grid | — | | | — | | | 4,348 | | | 4,348 | | | 4,348 | | | (-) ECL | (92,362) | | | — | | | (294,034) | | | (386,396) | | | (568,157) | | | 522,859 | | | — | | | — | | | 522,859 | | | 602,411 | | | | | | | | | | | | | 5,656,869 | | | 162,734 | | | 278,845 | | | 6,098,448 | | | 6,513,888 | |
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| Schedule of changes in the provision |
The changes in the years ended December 31, 2025, and 2024 are as follows: | | | | | | | | | | | | | 2025 | | 2024 | | Opening balance as of January 1 | 4,133,603 | | | 3,747,981 | | | (+) Acquisition of investee control | 26,482 | | | — | | | (+) Constitution | 338,034 | | | 545,830 | | | (-) Reversal | (121,105) | | | (154,496) | | | (-) Write-off | (12) | | | (5,712) | | | Final balance on December 31 | 4,377,002 | | | 4,133,603 | |
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