Top Plant: Tosunlar 1 Akca Plant, Saraykoy, Denizli, Turkey (POWER magazine)
Owner/operator: Akca Enerji
POWER magazine today officially announced winners of its 2016 Top Plants in the renewable generation category. Among the six finalists is an ORC geothermal power plant in Turkey.
What sets the Tosunlar plant apart is that it uses a two-pressure ORC system with only one single-disk turbine. Typical binary systems use one turbine per pressure level, with the working fluid entering the high-pressure side after leaving the evaporator, before passing through the recuperator and the low-pressure evaporator (which draws heat from geothermal fluid after it leaves the high-pressure evaporator).
The 3.8-MW facility entered operation in June 2015 and has so far exceeded expectations, performing more than 10% above contracted results. The plant was awarded the European Geothermal Innovation Award by the European Geothermal Energy Council as the best innovation in the geothermal sector in 2016. A video of the project can be viewed below.
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