en.Wedoany.com Reported - Fervo Energy published an article presenting operational data from its Red Geothermal Project in Nevada, USA, spanning over 600 days, highlighting the long-term stable performance of the Enhanced Geothermal System (EGS).
The project, launched in 2023, is the longest-operating Enhanced Geothermal System to date. The well site is located in the Blue Mountain Geothermal Field, facilitating connection to existing power generation facilities. This operational data holds significant reference value for validating EGS performance, particularly providing a basis for Fervo to scale up technology application at its Cape Station project in Utah.
During its operation, the Enhanced Geothermal System maintained an average gross power output of 2.1 megawatts and a net output of approximately 1.4 megawatts. The production temperature remained stable at 175 degrees Celsius, with a circulation rate of about 36 kilograms per second. Although the output level is moderate, the power output has demonstrated predictable stability. The system achieved an uptime of 98.4%, with downtime primarily attributed to surface facility and grid issues, not technical performance.
Temperature data indicates over 500 days of isothermal production, with the production temperature maintained at 175 degrees Celsius and the injection temperature around 75 degrees Celsius. A slight recent decline of approximately 1.4 degrees Celsius was observed, consistent with reservoir model predictions. The thermal recovery factor reached about 20%, exceeding benchmarks set by the U.S. Department of Energy and the U.S. Geological Survey. The recovery rate is approximately 70% and is expected to increase with continued operation.
The Red Project serves as a learning platform and was not optimized for production design, but the experience gained will be applied to future EGS deployments. Areas for improvement include increasing reservoir temperature, extending lateral drilling, optimizing well spacing, and enhancing fracture connectivity. Fervo's next-generation projects, such as Cape Station, have already upgraded their design based on this data, with single-well output expected to increase from 2 megawatts to 16 megawatts.
Reservoir behavior and model calibration are more critical than absolute output figures. Model validation is crucial for design iteration and may undergo further testing at the Cape Station site in Utah. Source: Fervo Energy.
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