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Ormat - Model Binary -Geothermal Power Plant
Binary plants are ideal for geothermal reservoirs to maximize sustainability and return on investment. Binary plants maximize sustainability by reinjecting 100% of the geothermal fluid, maintaining reservoir pressures. Return on Investment (ROI) is maximized due to much lower operating costs and higher resilience to changing reservoir conditions thereby maintaining higher efficiency over the long term. Binary technology can be utilized on a wide range of resources from low enthalpy to high. Multiple high enthalpy binary facilities are in service around the world.
Ormat leads the global geothermal sector: exploring, designing, developing, building, owning and operating geothermal power plants around the world. We’re passionate about advancing geothermal technology, providing choice, flexibility and optimum, customized solutions. When it comes to earth’s energy, Ormat excels in harnessing it.
With experience gained in more than 30 countries, and from working on dozens of different geothermal development scenarios, Ormat empowers clients with world-class, comprehensive understanding of how to maximize their geothermal resources and facilities.
From field analysis and resource delineation to optimized plant and equipment configurations, Ormat offers the ultimate advantage – peace of mind –by providing options ranging from individual equipment and services up to comprehensive turnkey solutions – uniquely tailored to suit specific sites, geothermal resources and ambient conditions.
We are the only company capable of offering this range of services, thanks to our vertically integrated structure and intensive involvement across the geothermal industry’s value chain.
Flexible Business Models
Ormat operates using several business models; all are designed to accommodate a wide range of customer preferences, while maintaining maximum flexibility and efficiency.
When we work with our customers, we seek first to understand their perspectives and to develop approaches that fit the unique parameters of their geothermal resource, the economics of developing it and the market dynamics the resulting electricity must navigate.
The fluid is extracted from an underground reservoir and flows from the wellhead through pipelines to heat exchangers in the Ormat Energy Converter (OEC) that based on an Organic Rankine Cycle.
Inside the heat exchangers, the geothermal fluid heats and vaporizes a secondary working fluid which is organic, with a low boiling point.
The organic vapors drive the turbine and then are condensed in a condenser, which is cooled by either air or water.
The turbine rotates the generator.
Condensed fluid is recycled back into the heat exchangers by a pump, completing the cycle in a closed system.
The cooled geothermal fluid is re-injected into the reservoir.