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v3.25.1

Operating revenue (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Revenue |  |  |
Revenue from sanitation services (i) | R$ 23,894,855 | R$ 21,513,442 | R$ 18,629,959
Construction revenue | 6,225,871 | 5,600,332 | 4,863,752
Water/Sewage deduction account (FAUSP) (a) | (395,179) |  |
Financial asset (indemnity) (ii) | 9,151,310 |  |
Sales tax | (2,632,653) | (1,457,125) | (1,363,628)
Regulatory, Control and Oversight Fee (TRCF) (iii) | (98,727) | (84,593) | (74,363)
Net operating revenue | R$ 36,145,477 | R$ 25,572,056 | R$ 22,055,720

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