The Olkaria II Geothermal Power Station also known as Olkaria II Geothermal Power Plant is a geothermal power plant in Kenya, with installed electric generating capacity of 105 megawatts (141,000 hp)[1] The facility is located in the Olkaria area, adjacent to Hell's Gate National Park, on the eastern edge of the Eastern Rift Valley, approximately 113 kilometres (70 mi), southeast of the city of Nakuru, where the county headquarters re located.

[2] Olkaria lies approximately 122 kilometres (76 mi), by road, northwest of Nairobi.

[4] Olkaria II went on-stream in 2003 when Kenya Electricity Generating Company (KenGen) commissioned two 35 MW units manufactured and installed by Mitsubishi Heavy Industries (MHI).

[5] The expansion was financed by (a) the European Investment Bank, which lent US$40.8 million (KSh303 billion), the International Development Association, which lent US$27.6 million (KSh2.2 billion), the French Development Agency, which lent US$20 million (KSh1.6 billion) and KenGen, which contributed the balance.

[7] Olkaria II Power Station is owned by KenGen, a public company, whose stock is traded on the Nairobi Stock Exchange, and in which the government of Kenya maintains 70 percent shareholding, the remaining 30 percent being held by private individual and institutional investors.