Contents

• GEOPHIRES Reference Manual
• Theoretical Basis for GEOPHIRES
  • Built‑in models and correlations
  • Example simulations
  • Abbreviations
  • References
• SAM Economic Models
  • SAM Single Owner PPA
  • Multiple Construction Years
  • Add-Ons
  • Royalties
  • Carbon Credits
  • End Uses and Surface Applications
  • Examples
  • Re-creating SAM Economic Model Results in the SAM Desktop Application
  • Using SAM Economic Models with Existing GEOPHIRES Inputs
• Monte Carlo User Guide
  • Example Setup
  • Documentation
  • Web Interface
• HIP-RA User Guide
  • Input File
  • Running from the command line
  • Running from Python
  • Example Output
  • Interpreting the Results
  • Web Interface
  • Footnotes
• How to extend GEOPHIRES-X
  • Guide
  • Example

Parameters Reference

• GEOPHIRES Parameters
  • Input Parameters
  • Outputs
• HIP-RA-X Parameters
  • Input Parameters
  • Outputs

Examples

• GEOPHIRES Examples
  • Examples List
  • Case Study: 500 MW EGS Project Modeled on Fervo Cape Station
  • Fervo Project Red: Evaluating the Gringarten Model against Empirical EGS Data
• GEOPHIRES Case Study: 500 MW EGS Modeled on Fervo Cape Station (2026 Update)
  • Introduction
    • Modeling Overview: A Consensus-Based Second-of-a-Kind Analog
    • Intended Use Cases
    • Disclaimer: Independent Analysis
  • Methodology
    • Inputs
    • Calibration with Fervo-implemented Field Design
  • Results
    • Economic Results
    • Capital Costs (CAPEX)
    • Operating Costs (OPEX)
    • Technical & Engineering Results
  • Sensitivity Analysis
    • LCOE
    • IRR
    • NPV
    • Impact of Flow Rate on Project Economics
  • Variants
    • 100 MWe Model (Phase I)
    • Reduced Redrilling Scenario
    • ResFrac Profile + Hotter/Deeper Scenario
    • Previous Versions
  • Discussion, Limitations, & Future Work
    • Financial Considerations
    • Technical & Operational Considerations
  • References
  • Footnotes
• Project Red: Evaluating GEOPHIRES and Gringarten against Empirical EGS Data
  • Methodology
    • Empirical Data Extraction
    • Model Parameterization and Calibration
  • Results
    • Production Temperature: Measured vs. Modeled
    • Statistical Alignment Analysis
    • Long-Term Forecast (8-Year Horizon)
  • Discussion
    • Evaluating the Predictive Power of Gringarten
    • Modeling Assumptions and Power Production Discrepancies
    • Economic Modeling Framework (SAM Economic Model)
  • References
  • Footnotes

Indices and tables

• Index

• Module Index

• Search Page