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28 August 2007 - Mitsubishi Heavy Industries has received a full-turnkey order from Kenya Electricity Generating Company Limited (KenGen) to build a 35 MW geothermal power generation plant, the third unit at the company's Olkaria II geothermal power station.
The new construction initiative is expected to become Clean Development Mechanism (CDM) project, and the new plant is slated to go on-stream in the end of December 2009.
The Olkaria II power station is located approximately 100 kilometers northwest of Nairobi, the nation's capital. The plant on order will consist of a steam turbine, condenser, generator, peripheral equipment, electrical facilities and a control system. MHI's Nagasaki Shipyard and Machinery Works will be responsible for the design, manufacture, installation and civil engineering work.
Mitsubishi Electric Corporation will supply a generator. Mitsubishi Corporation is handling the trade particulars. Prior to the latest order, MHI has already supplied five geothermal power plants to KenGen: three units (15 MW each) for Olkaria I that went on-stream in 1980s and two units (35 MW each) for Olkaria II completed in 2003.
Geothermal power generation utilizes geothermal fluid, a mixture of high-temperature water and steam (over 250°C, or 482°F) extracted from deep underground reservoirs through production wells. The steam extracted from the fluid is used to rotate steam turbines.
As geothermal power generation involves no fuel combustion and emits no CO2, it contributes to environmental preservation. Construction of the third unit at Olkaria II is expected to become CDM project, one of the three "flexibility mechanisms" incorporated into the Kyoto Protocol, which came into force in February 2005.
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