Where you can connect to the Rede Básica — by substation, with official data
Transmission access became a periodic competitive process (PNAST, Decree No. 12.772/2025). CONEXÃO organizes, by SIN (the national grid) substation: TUST (transmission tariff) by busbar, transformation capacity, injection margins published by ONS, and the progress of Access Seasons — everything with source and date, nothing estimated.
931
Operation Network substations
1.710
mapped busbars
1.305
busbars with TUST 2025/2026
20,3 GW
admitted in the 1st Access Season
1st Access Season 2026 — upcoming milestones
full calendar (in Portuguese) →- 31/08/2026Publicação da NT02 (Quantitativos da Capacidade Remanescente do SIN) e do Valor de Referência (VR) por Barramento Habilitado
- 04/09/2026Início do período de desistência e declaração de MUST mínimo / intenção de participação em todos os produtos (12h00)
- 11/09/2026Limite para desistência e declarações (12h00)
Search substation
931 substations (showing 15)
| Substation | State | Voltages | Main agent | TUST |
|---|---|---|---|---|
| 14 DE JULHO RSUHQJ | RS | 230 kV | CERAN | — |
| ABAIARA CEABA | CE | 230 kV | CHESF | ✓ |
| ABAIARA II CEABA2 | CE | 230 kV | LIGHT MILAGRES I | — |
| ABAIXADORA BAABX | BA | 230 / 69 kV | CHESF | ✓ |
| ABDON BATISTA SCATA | SC | 500 / 230 kV | ETSE | ✓ |
| ABUNA ROAN | RO | 230 / 138 kV | ELETRONORTE | ✓ |
| ACAILANDIA MAAC | MA | 500 / 230 / 69 kV | EATE | ✓ |
| ACARAU II CEAUD | CE | 230 / 69 kV | CHESF | ✓ |
| ACARAU III CEAUT | CE | 500 / 230 kV | ARGO | ✓ |
| ACU II RNACD | RN | 230 / 138 / 69 kV | CHESF | ✓ |
| ACU III RNACT | RN | 500 / 230 kV | ARGO VI | ✓ |
| ADRIANOPOLIS RJSTAD | RJ | 500 / 345 / 138 kV | ELETROBRAS | ✓ |
| AGUA AZUL SPAZL | SP | 440 / 138 / 88 kV | AGUA AZUL SPE | ✓ |
| AGUA VERMELHA SPAGV | SP | 500 / 440 / 138 kV | AUREN OPERAÇÕES | ✓ |
| AGUAS LINDAS GOALD | GO | 230 / 69 kV | EDP GOIAS | ✓ |