Trade receivables (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
|---|
| Trade Receivables |
|
| Schedule of financial position balances |
| Schedule of financial position balances |
|
|
|
| |
December 31, 2025 |
|
December 31, 2024 |
| Private sector: |
|
|
|
| General (i) and special customers (ii) |
2,436,976 |
|
2,409,094 |
| Agreements (iii) |
343,747 |
|
659,778 |
| |
2,780,723 |
|
3,068,872 |
| Governmental Entities: |
|
|
|
| Municipal |
1,186,531 |
|
690,010 |
| Federal |
2,670 |
|
5,303 |
| Agreements (iii) |
274,508 |
|
370,823 |
| |
1,463,709 |
|
1,066,136 |
| Wholesale customers – Municipal governments: (iv) |
|
|
|
| Mogi das Cruzes |
9,149 |
|
4,744 |
| São Caetano do Sul |
26,884 |
|
11,773 |
| São Caetano do Sul - Agreement |
51,589 |
|
65,213 |
| Total wholesale customers – Municipal governments |
87,622 |
|
81,730 |
| |
|
|
|
| Unbilled revenue (v) |
1,157,382 |
|
1,253,826 |
| |
|
|
|
| Sub-total |
5,489,436 |
|
5,470,564 |
| |
|
|
|
| Allowance for doubtful accounts |
(817,443) |
|
(1,248,209) |
| Total |
4,671,993 |
|
4,222,355 |
| |
|
|
|
| Current |
4,413,449 |
|
3,894,557 |
| Noncurrent |
258,544 |
|
327,798 |
| Total |
4,671,993 |
|
4,222,355 |
| (i) | | General customers - residential and small and mid-sized companies; |
| (ii) | | Special customers – large consumers, industrial and commercial customers, condominiums
and special billing customers (fixed demand agreements, industrial waste, wells, among others); |
| (iii) | | Agreements - installment payments of past-due receivables, plus inflation adjustment and
interest, according to the agreements; |
| (iv) | | Wholesale basis customers - municipal governments. This balance refers to the sale of treated
water to municipalities, which are responsible for distributing to, billing, and charging end consumers. |
| (v) | | Unbilled revenue: represents revenue incurred, for which the service has been provided but
has not yet billed by the end of each period, and is recognized as trade receivables based on monthly estimates. |
|
| Schedule of aging of trade receivables |
| Schedule of aging of trade receivables |
|
|
|
|
| |
December 31, 2025 |
% |
December 31, 2024 |
% |
| Current |
2,963,070 |
|
2,979,496 |
|
| Past-due: |
|
|
|
|
| Up to 30 days |
748,559 |
30% |
637,375 |
26% |
| From 31 to 60 days |
309,579 |
12% |
303,238 |
12% |
| From 61 to 90 days |
229,559 |
9% |
177,777 |
7% |
| From 91 to 120 days |
243,256 |
10% |
168,515 |
7% |
| From 121 to 180 days |
276,446 |
11% |
241,030 |
10% |
| From 181 to 360 days |
226,600 |
9% |
47,992 |
2% |
| Over 360 days |
492,367 |
19% |
915,141 |
37% |
| Total Past Due |
2,526,366 |
100% |
2,491,068 |
100% |
| Total |
5,489,436 |
|
5,470,564 |
|
|
| Schedule of allowance for doubtful accounts |
| Schedule of allowance for doubtful accounts |
|
|
|
| Changes in assets |
2025 |
|
2024 |
| Balance at the beginning of year |
1,248,209 |
|
1,377,209 |
| Recognition/(reversal) of allowance |
(29,099) |
|
41,793 |
| Recoveries |
(401,667) |
|
(170,793) |
| Total |
817,443 |
|
1,248,209 |
|
| Schedule of estimated reconciliation |
| Schedule of estimated reconciliation |
|
|
|
|
| Reconciliation of estimated/historical losses in profit or loss |
|
2025 |
|
2024 |
| |
|
|
|
|
| Write-offs |
|
(501,786) |
|
(685,581) |
| (Losses)/reversal with state entities - related parties |
|
8,953 |
|
(1,208) |
| (Losses)/reversal with the private sector/government entities |
|
29,099 |
|
(41,793) |
| Recoveries |
|
401,667 |
|
170,793 |
| |
|
|
|
|
| Amount recorded as expense (Note 31) |
|
(62,067) |
|
(557,789) |
|
| Schedule of judicial bonds |
| Schedule of judicial bonds |
|
|
|
|
|
|
| Debtor |
December 31, 2024 |
Discount (i) |
Receipt (ii) |
Assignment of Receivables (iii) |
Others (iv) |
December 31, 2025 |
| Municipality of São Paulo |
2,898,210 |
(992,289) |
(1,217,593) |
- |
125,962 |
814,290 |
| Municipality of Ferraz de Vasconcelos |
22,883 |
(4,653) |
(9,865) |
(8,974) |
609 |
- |
| Municipality of Cachoeira Paulista |
12,608 |
(3,410) |
(4,408) |
(5,093) |
303 |
- |
| Municipality of Agudos |
14,039 |
(4,582) |
(2,913) |
(7,043) |
499 |
- |
| Other |
19,568 |
(13,727) |
(3,587) |
(5,382) |
3,128 |
- |
| Total |
2,967,308 |
(1,018,661) |
(1,238,366) |
(26,492) |
130,501 |
814,290 |
| (i) | | Regarding the other two settlement proposals approved on April 9, 2025, in the updated amount
of R$ 2.48 billion, by applying the discount rate according to the chronological order of payment, totaling R$ 1.52 billion (discount
of R$ 960 million). In July 2025, the uncertainties and discussions surrounding this process ceased, and the Company recognized the effects
of these registered warrants in the 3rd quarter and already received R$ 716,302 related to this settlement. |
| (ii) | | Includes amounts received through lawsuits. |
| (iii) | | In June 2025, the Company negotiated the assignment of receivables from various registered
warrants. |
| (iv) | | Mainly includes inflation adjustments. |
|