Chapter 5

Single-Flash Steam Power Plants


The single-flash steam plant is the mainstay of the geothermal power industry. It is often the first power plant installed at a newly developed liquid-dominated geothermal field. As of December 2014, there are 185 units of this kind in operation in 17 countries around the world. Single-flash plants account for 32% of all geothermal plants. They constitute about 43% of the total installed geothermal power capacity in the world, and the average unit power rating is slightly less than 28 MW per unit.


Gathering systems; pressure losses; two-phase flow; single-flash energy conversion system; thermodynamics; process analysis; utilization efficiency; optimization; plant equipment; cyclone separators; ...

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