| Companhia Energética de São Paulo | |
| Type: | Sociedade Anônima |
| Location City: | São Paulo |
| Location Country: | Brazil |
| Key People: | Dilma Seli Pena, (CEO) |
| Industry: | Electricity |
| Products: | Electric power |
| Revenue: | US$ 422.4 million (2017)[1] |
| Net Income: | -US$58.5 million (2017) [2] |
| Num Employees: | 1,470 |
The Companhia Energética de São Paulo (CESP) is the largest producer of electricity in the state of São Paulo, with total installed power of 7,455 MW, and the third largest in Brazil. It owns and operates six hydroelectric plants integrated into the National Interconnected System.