Aydin Geothermal Energy, Turkey

Geothermal liquid is stored beneath the ground and heated naturally by the Earth’s core to temperatures of between 78°C and 170°C. Four wells have been constructed at the project site which brings this liquid – comprised of brine and steam - to the surface. The hot liquid then passes through a heat exchange process where its temperature is used to vaporise a second fluid, creating steam, which drives a turbine and generates renewable energy. The technology at this plant is a closed loop system called ‘organic rankine cycle and binary’ and is the first of its kind to be installed by a private company in Turkey. Being a closed loop system, there is no waste of resources; as the geothermal fluid cools, it is re-inserted into the ground and the secondary fluid condenses back into liquid form, which is re-used in the heat exchange process.

Alongside the environmental benefits, the project has created 100 temporary, construction jobs and 25 permanent roles. Additionally, the project owner has supported the local communities by:

• Providing computer equipment to the Salavatli primary school
• Constructing toilet facilities at a primary school in the village of Yavuzkoy
• Reconstructing a classroom for a primary school in the nearby town of Kosk
• Providing the initial infrastructure to supply clean, potable water to the 800 residents in the village of Yavuzkoy.

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