CNAE section D: energy and utilities codes in English.
9 CNAE 2.3 subclasses in section D (Electricity and gas), with the English label, the ISIC Rev.4 class and the number of active Brazilian companies using each as their main activity: 13,130 in all.
The most used codes in this section are electric power generation (3511-5/01, 9,994); coordination and control of power generation and transmission operations (3511-5/02, 1,292); electric power trading (wholesale) (3513-1/00, 826). To see these companies by state, size and division, open Energy and utilities companies in Brazil.
35 · Electricity, gas and other utilities
| CNAE | Activity (English) | Portuguese (official) | ISIC | Companies |
|---|---|---|---|---|
3511-5/00 | Electric power generation | Geração de energia elétrica | 3510 | 8 |
3511-5/01 | Electric power generation | Geração de energia elétrica | 3510 | 9,994 |
3511-5/02 | Coordination and control of power generation and transmission operations | Atividades de coordenação e controle da operação da geração e transmissão de energia elétrica | 3510 | 1,292 |
3512-3/00 | Electric power transmission | Transmissão de energia elétrica | 3510 | 418 |
3513-1/00 | Electric power trading (wholesale) | Comércio atacadista de energia elétrica | 3510 | 826 |
3514-0/00 | Electric power distribution | Distribuição de energia elétrica | 3510 | 371 |
3520-4/01 | Gas production; natural gas processing | Produção de gás; processamento de gás natural | 3520 | 103 |
3520-4/02 | Distribution of gaseous fuels through mains | Distribuição de combustíveis gasosos por redes urbanas | 3520 | 72 |
3530-1/00 | Steam, hot water and air-conditioning supply | Produção e distribuição de vapor, água quente e ar condicionado | 3530 | 46 |
Division 35: Electricity, gas and other utilities. Companies = active head offices with this main CNAE.
Classification: IBGE/CONCLA (CNAE 2.3, CNAE-ISIC correspondence). English labels: LatSouth. Counts: Receita Federal release 2026-10-10, individual entrepreneurs excluded. Full crosswalk CSV.
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