Introducing GEOPHIRES v2.0: Updated Geothermal Techno-Economic Simulation Tool

Koenraad Beckers, Kevin McCabe

Research output: Contribution to conferencePaper


This paper presents an updated version of the geothermal techno-economic simulation tool GEOPHIRES (GEOthermal energy for Production of Heat and electricity ('IR') Economically Simulated). GEOPHIRES combines engineering models of the reservoir, wellbores, and surface plant facilities of a geothermal plant with an economic model to estimate the capital and operation and maintenance costs, lifetime energy production, and overall levelized cost of energy. The available end-use options are electricity, direct-use heat, and cogeneration. The main updates in the new version include conversion of the source code from FORTRAN to Python, the option to import temperature data (e.g., measured or from stand-alone reservoir simulator), updated cost correlations, and more flexibility in selecting the time step and number of injection and production wells. In this paper, we provide an overview of all the updates and two case studies to illustrate the tool's new capabilities.
Original languageAmerican English
Number of pages7
StatePublished - 2018
Event43rd Workshop on Geothermal Reservoir Engineering - Stanford, California
Duration: 12 Feb 201814 Feb 2018


Conference43rd Workshop on Geothermal Reservoir Engineering
CityStanford, California

Bibliographical note

See NREL/CP-5500-70856 for preprint

NREL Publication Number

  • NREL/CP-5500-71256


  • direct-use
  • electricity
  • techno-economic modeling


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