National grid collapse: List of power generating companies and their capacities

Nigeria has 23 power generating plants connected to the national grid with the capacity to generate 11,165.4 MW of electricity.

These plants are managed by generating companies (Gencos), independent power providers, and Niger Delta Holding Company. The primary independent power plants before the power sector reforms are Shell-owned Afam VI (642MW), Agip-built Okpai plant (480 MW), and AES (270 MW). The third sector is the Nigerian National Integrated Power Project NIPP, a project that was initiated in 2004 to fast-track the development of new power plants in the country. The majority of the new proposed plants are gas-powered plants. In 2014, the proposed capacity of NIPP plants was 5,455 MW.