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Enhanced Geothermal Shot Analysis for the Geothermal Technologies Office: Preprint

Conference ·
OSTI ID:1924661
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In 2021, the U.S. Department of Energy (DOE) began the Energy Earthshots initiatives to accelerate breakthroughs of reliable clean energy solutions within the next 10 years. In 2022, the National Renewable Energy Laboratory (NREL) was asked by the DOE Geothermal Technologies Office (GTO) to provide analysis for developing Energy Earthshot targets for Enhanced Geothermal Systems (EGS), human-made underground reservoirs that extract thermal energy from the earth for electricity generation and/or heating applications. The Enhanced Geothermal Shot analysis is based on the technology assumptions in the 2019 GTO report GeoVision: Harnessing the Heat Beneath Our Feet. For Earthshot, we updated some of the technology cost and performance assumptions based on recent technology advances and updated the EGS resource potential to include more detailed analysis. We used the updated EGS supply cost curves to forecast the amount of geothermal electricity generation that could be deployed in the US by 2050 using a capacity expansion model. The results were used to develop a cost target for EGS. On September 8th, 2022, the Enhanced Geothermal Shot was announced. Its target - reduce the cost of EGS by 90%, to $45 per megawatt hour by 2035. This paper summarizes the cost and resource assumptions used in the Enhanced Geothermal Shot. It describes the assumptions used in the Regional Energy Deployment System (ReEDS) capacity expansion model to forecast geothermal deployment and discusses the results.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Geothermal Technologies Office (EE-4G)
DOE Contract Number:
AC36-08GO28308;
OSTI ID:
1924661
Report Number(s):
NREL/CP-5700-85033; MainId:85806; UUID:d5dc6b48-b6e8-4c77-80a6-b133e8b22c90; MainAdminID:68620
Conference Information:
Presented at the 48th Stanford Geothermal Workshop, 6-8 February 2023, Stanford, California
Country of Publication:
United States
Language:
English

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Related Subjects

analysis
Earthshot
EGS
enhanced geothermal system
GEOTHERMAL ENERGY
ReEDS