Contracts signed for geothermal plant in Turkey

9 May 2023

Exergy International, a specialist in Organic Rankine Cycle based plants, has signed a contract with Hez Enerji for the supply of a 24 MWe geothermal binary plant, the Bilecik Hez Morali JES-1 unit, that will exploit the customer’s geothermal field in Aydin, Turkey. The ORC power plant is planned to be delivered by Q2 of 2024, with start up forecast for the end of 2024 at the latest.

Hez Enerji is an energy company with 9 geothermal licence areas under development in the Aydin, Manisa, Denizli, Bilecik and Nigde regions. The geothermal potential of its licence areas that has been estimated at around 300 MWe of total capacity.

Exergy will be responsible for the design, engineering and supply of the power plant. The design of the binary system consists of a cycle utilising two radial outflow turbines (ROT) of 12 MWe each and an air-cooled condensing system. The project involves local manufacture of the turbines and generator to be delivered by Exergy’s subsidiary, Exergy Turkey.

The project is expected to contribute to further raising the share of renewable energy production in Turkey, one of the top 10 countries worldwide for geothermal power generation with 1.7 GWe of installed capacity. Once in operation, the new HEZ Energy power plant will reduce CO2 emissions otherwise associated with an equal production of fossil fuel power generation by around 70 000 tons per year, and contribute materially to reaching the country’s decarbonisation goals.

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