Olkaria II Geothermal Power Plant

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The Olkaria II Geothermal Power Plant is one of Kenya's largest geothermal power plant having an installed electric capacity of 70 MW.

Olkaria II Power Station is currently Africa’ s largest Geothermal Power Station. It is currently generating 70 MWe and is the second geothermal plant that is operated by KenGen. The power plant was commissioned in November 2003.

Olkaria II Geothermal Power Plant is located in the North Eastern Sector of the greater Olkaria geothermal field. Wells were drilled between 1986 and 1993 but construction of the power plant was delayed until the year 2000 when funds became available.

The project was co-financed by the World Bank, the European Investment Bank, KfW of Germany and the Kenyan Government. Designed and constructed with an advantage of newer technology, this state-of-the-art plant is highly efficient in steam utilization.

Olkaria II Geothermal Power Plant operates on a single flash plant cycle with a steam consumption of 7.5 tonnes per hour per megawatt generated. The turbines are single flow six-stage condensing with direct contact spray jet condenser. The Power generated is transmitted to the national grid via 220 kV double circuit line to Nairobi. Olkaria II power station is also connected toOlkaria I Power Station by a 132 kV line.