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Geothermal: Topside Engineering and Technology Evaluation

  • GETEM-Geothermal Energy Technology Evaluation Model
    • INL code--industry standard for technology evaluation and cost performance
    • Project the impact of technology improvements on power generation costs
  • Air-cooled condensers in binary plants
    • Large amounts of heat are rejected (90% or more of heat removed from geothermal fluid), air poor heat transfer fluid → condenser costs can be 1/3 or more of total plant cost
    • Optimize design and heat transfer characteristics
  • Hybrid geothermal-solar power plant evaluation and development
    • Retrofit and initial design for temperature enhancement
    • Plant/field life extension

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Department of energy

DOE Office of Nuclear Energy
DOE-Idaho Office