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CNAE 3511-5/01 · Brazil

Geração de energia elétrica

10,021 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.

Source: Receita Federal, CNPJ Open Data · October 2026 publication

What this list shows

We count each active company in the Brazilian CNPJ registry once, by its head office and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.

Active companies
10,021
310th of 1,329 activities
Opened in 12 months
757
−11.5% · 395th by openings
Of every 100 companies in the country
0.0
do this activity
Openings per 100 active
8
in the country: 21

Active companies in this activity

More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.

Look up companies in this activity (up to 300)

How to assess a company's data

When you open a company's record, use these guides to check the data and understand what each field can establish.

Where the companies are

Acre: 0 companies, 0.0 of every 100 active companies there Alagoas: 89 companies, 0.0 of every 100 active companies there Amapá: 8 companies, 0.0 of every 100 active companies there Amazonas: 44 companies, 0.0 of every 100 active companies there Bahia: 591 companies, 0.0 of every 100 active companies there Ceará: 972 companies, 0.1 of every 100 active companies there Distrito Federal: 156 companies, 0.0 of every 100 active companies there Espírito Santo: 74 companies, 0.0 of every 100 active companies there Goiás: 269 companies, 0.0 of every 100 active companies there Maranhão: 52 companies, 0.0 of every 100 active companies there Mato Grosso: 323 companies, 0.1 of every 100 active companies there Mato Grosso do Sul: 113 companies, 0.0 of every 100 active companies there Minas Gerais: 1,438 companies, 0.1 of every 100 active companies there Pará: 38 companies, 0.0 of every 100 active companies there Paraíba: 151 companies, 0.0 of every 100 active companies there Paraná: 887 companies, 0.0 of every 100 active companies there Pernambuco: 371 companies, 0.1 of every 100 active companies there Piauí: 259 companies, 0.1 of every 100 active companies there Rio de Janeiro: 787 companies, 0.0 of every 100 active companies there Rio Grande do Norte: 358 companies, 0.1 of every 100 active companies there Rio Grande do Sul: 536 companies, 0.0 of every 100 active companies there Rondônia: 83 companies, 0.1 of every 100 active companies there Roraima: 7 companies, 0.0 of every 100 active companies there Santa Catarina: 1,101 companies, 0.1 of every 100 active companies there São Paulo: 1,145 companies, 0.0 of every 100 active companies there Sergipe: 12 companies, 0.0 of every 100 active companies there Tocantins: 72 companies, 0.0 of every 100 active companies there

Weight in each federative unit: of every 100 active companies, how many have this main activity

  1. 0.0
  2. 0.0
  3. 0.0
  4. 0.0 – 0.1
  5. 0.1

Federative units with the most companies

  1. 1 Minas Gerais 1,438
  2. 2 São Paulo 1,145
  3. 3 Santa Catarina 1,101
  4. 4 Ceará 972
  5. 5 Paraná 887
  6. 6 Rio de Janeiro 787
  7. 7 Bahia 591
  8. 8 Rio Grande do Sul 536
  9. 9 Pernambuco 371
  10. 10 Rio Grande do Norte 358
See the 26 federative units
  1. 11 Mato Grosso 323
  2. 12 Goiás 269
  3. 13 Piauí 259
  4. 14 Distrito Federal 156
  5. 15 Paraíba 151
  6. 16 Mato Grosso do Sul 113
  7. 17 Alagoas 89
  8. 18 Rondônia 83
  9. 19 Espírito Santo 74
  10. 20 Tocantins 72
  11. 21 Maranhão 52
  12. 22 Amazonas 44
  13. 23 Pará 38
  14. 24 Sergipe 12
  15. 25 Amapá 8
  16. 26 Roraima 7

Cities with the most companies

active companies by head office

  1. 1 São Paulo (SP) 717
  2. 2 Rio de Janeiro (RJ) 667
  3. 3 Maracanaú (CE) 444
  4. 4 Belo Horizonte (MG) 444
  5. 5 Florianópolis (SC) 318
  6. 6 Curitiba (PR) 222
  7. 7 Recife (PE) 193
  8. 8 Fortaleza (CE) 167
  9. 9 Brasília (DF) 156
  10. 10 Porto Alegre (RS) 143
See the 29 cities
  1. 11 Cuiabá (MT) 133
  2. 12 Cascavel (PR) 102
  3. 13 Teresina (PI) 94
  4. 14 Goiânia (GO) 88
  5. 15 Nova Lima (MG) 86
  6. 16 Janaúba (MG) 79
  7. 17 Salvador (BA) 77
  8. 18 Conceição do Jacuípe (BA) 71
  9. 19 Campinas (SP) 62
  10. 20 Xanxerê (SC) 58
  11. 21 Natal (RN) 57
  12. 22 Francisco Sá (MG) 57
  13. 23 Arinos (MG) 54
  14. 24 Bom Jesus da Lapa (BA) 50
  15. 25 Jaíba (MG) 47
  16. 26 Lagoa Nova (RN) 42
  17. 27 Paracatu (MG) 42
  18. 28 Chapecó (SC) 42
  19. 29 Juazeiro (BA) 40

What activity 3511-5/01 is

  1. Section D — Eletricidade e gás
  2. Division — Eletricidade, gás e outras utilidades
  3. Group — Geração, transmissão e distribuição de energia elétrica
  4. Class — Geração de energia elétrica

What it covers

  • A geração de energia elétrica de origem hidráulica, térmica (carvão, gás, diesel, combustíveis renováveis, etc.), nuclear, eólica, solar, etc.
  • A manutenção de redes de eletricidade e a medição de consumo de energia elétrica, quando executadas por empresas de geração de energia elétrica

What it does not cover

Typical activities

  • Energia elétrica (autoprodutor)
  • Estação de geração, produção de energia elétrica (hidráulica, térmica, nuclear, eólica, solar, etc.)
  • Geração de energia elétrica de origem térmica (combustíveis renováveis)
  • Geração, produção de eletricidade através da biomassa
  • Geração, produção de eletricidade através das marés
  • Geração, produção de eletricidade geotérmica
  • Geração, produção de energia elétrica de origem eólica (vento)
  • Geração, produção de energia elétrica de origem hidráulica
  • Geração, produção de energia elétrica de origem nuclear
  • Geração, produção de energia elétrica de origem solar
  • Geração, produção de energia elétrica de origem térmica (carvão e produtos derivados)
  • Geração, produção de energia elétrica de origem térmica (diesel)
See the other 9 typical activities
  • Geração, produção de energia elétrica de origem térmica (gás)
  • Geração, produção de energia elétrica por meio de moto-geradores de combustão interna
  • Geração, produção de energia hidrelétrica
  • Manutenção de redes de eletricidade por empresa produtora (geradora) de energia elétrica
  • Medição de consumo de energia elétrica por empresa produtora (geradora) de energia elétrica
  • Produção de energia elétrica de origem térmica (combustíveis renováveis)
  • Produção de energia elétrica por meio de turbinas hidráulicas
  • Produção integrada de energia elétrica (hidráulica, térmica, nuclear, eólica, solar, etc.)
  • Tratamento de elementos combustíveis (cartuchos), usados (irradiados) para reatores nucleares

Source: IBGE, CNAE 2.3 and its explanatory notes

The activities of class 3511-5

geração de energia elétrica, by subclass
SubclassActiveOpeningsChange
3511-5/01 Geração de energia elétrica · this one10,021757−11.5%
3511-5/02 Atividades de coordenação e controle da operação da geração e transmissão de energia elétrica1,29599−42.4%

Frequently asked questions about CNAE 3511-5/01

How many CNAE 3511-5/01 companies are there in Brazil?

10,021 active companies have CNAE 3511-5/01 as their main activity, according to the Receita Federal's October 2026 publication. It is 310th among the country's activities by companies.

Which activities make up class 3511-5?

Class 3511-5 has 2 subclasses: 3511-5/01; 3511-5/02. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.

Which federative unit has the most companies in this activity?

Minas Gerais, with 1,438. There, 0.1 of every 100 active companies have this main activity, against 0.0 in the national registry.

Does this total include branches and secondary activities?

No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.

Does active status mean a company is qualified for a contract?

No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.

How we count

Active companies in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.

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