CNAE 3511-5/01 · Piauí
Geração de energia elétrica in Piauí
259 active companies are headquartered in Piauí with this CNAE as their main activity. They represent 2.6% of Brazil's active companies with the same main activity.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
The same activity in Brazil 10,021
What this list shows
We count each active company once, by its head office in this state 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.
- Companies in Piauí
- 259
- 2.6% of Brazil's
- Of every 100 companies in Piauí
- 0.1
- do this activity
- Among Brazil's federative units
- 13th
- by companies in this activity
Active companies in Piauí
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation. · page 1 of 9- ENEL GREEN POWER VENTOS DE SAO ROQUE 04 S.A.Teresina (PI)
- ENEL GREEN POWER SAO GONCALO 3 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA 14 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA 15 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA 08 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA 10 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA ACL 13 S.A.Teresina (PI)
- SOL DO PIAUI II GERACAO DE ENERGIA LTDA.Curral Novo do Piauí (PI)
- SALLES RAMOS ENERGY LTDATeresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 01 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 02 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 05 S.ATeresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 16 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 08 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 18 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 11 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 19 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 17 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 22 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 13 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 07 S.ATeresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 06 S.ATeresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 29 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 03 S.ATeresina (PI)
- ENEL GREEN POWER VENTOS DE SAO ROQUE 26 S.A.Teresina (PI)
- ENEL GREEN POWER SAO GONCALO 1 S.A.Teresina (PI)
- ENEL GREEN POWER SAO GONCALO 14 S.A.Teresina (PI)
- ENEL GREEN POWER SAO GONCALO 6 S.A.Teresina (PI)
- ENEL GREEN POWER VENTOS DE SANTA ANGELA 2 S.A.Teresina (PI)
- ENEL GREEN POWER SAO GONCALO 18 S.A.Teresina (PI)
List limited to 259 companies, 30 per page. Looking for a specific company? Search by name or CNPJ.
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.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
How much the activity weighs
of every 100 active companies, how many do this activity
- Piauí0.1
- Brazil0.0
In Piauí, the activity weighs 3.1 times what it does in Brazil.
Piauí's cities with the most companies in this activity
active companies and each city's share of the state
- 1 Teresina 36.3% 94
- 2 Curral Novo do Piauí 7.7% 20
- 3 Parnaguá 7.7% 20
- 4 São José do Peixe 6.2% 16
- 5 Caldeirão Grande do Piauí 5.4% 14
- 6 Brasileira 4.6% 12
- 7 Simões 2.7% 7
- 8 Geminiano 2.3% 6
- 9 Nova Santa Rita 2.3% 6
- 10 Luís Correia 2.3% 6
20 more cities
- 11 Novo Oriente do Piauí 5
- 12 Parnaíba 5
- 13 Paulistana 4
- 14 Picos 4
- 15 Piripiri 4
- 16 Ribeiro Gonçalves 4
- 17 São João do Piauí 4
- 18 Betânia do Piauí 3
- 19 Angical do Piauí 2
- 20 Floriano 2
- 21 Oeiras 2
- 22 Alvorada do Gurguéia 1
- 23 Bela Vista do Piauí 1
- 24 Bocaina 1
- 25 Buriti dos Lopes 1
- 26 Castelo do Piauí 1
- 27 Cocal 1
- 28 Cristino Castro 1
- 29 Curimatá 1
- 30 Francinópolis 1
Class 3511-5 in Piauí
geração de energia elétrica, by subclass| Subclass | Active |
|---|---|
| 3511-5/01 Geração de energia elétrica · this one | 259 |
| 3511-5/02 Atividades de coordenação e controle da operação da geração e transmissão de energia elétrica | 13 |
Close to this: 4221-9/03 · Manutenção de redes de distribuição de energia elétrica, 13 companies in Piauí.
What activity 3511-5/01 is
- 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
Frequently asked questions
How many companies have main CNAE 3511-5/01 in Piauí?
259 active companies have CNAE 3511-5/01 as their main activity in Piauí, according to the Receita Federal's October 2026 publication. That is 0.1 of every 100 companies there, against 0.0 in Brazil.
Which of Piauí's cities has the most companies in this activity?
Teresina, with 94, 36.3% of the state's companies in this activity.
Why can this total differ from the companies operating in this state?
This scope counts active companies by their head office and registered main activity. A company may operate in this state through a branch or carry out the activity as a secondary activity and be excluded from the count. The registered address and CNAE do not establish every operating location or service.
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 with this as their main activity, counted by head office in Piauí.