The Organic Rankine Cycle (ORC) uses heat to produce electricity and is the best solution when the temperature of the heat source is relatively low, or where the size of the application is too small for a steam power plant to be the most efficient solution. Large ORC plants have been operating on geothermal heat sources or multi-MW biomass combustion plants for many years.
This technology is supplied by publicly listed companies such as Ormat and Turboden, a subsidiary of Mitsubishi. In addition, the ORC technology is establishing itself as a well-proven application in small, decentralized power plants.
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