Updates to Enhanced Geothermal System Resource Potential Estimate

Chad Augustine

Research output: Contribution to conferencePaper

18 Scopus Citations

Abstract

The deep EGS electricity generation resource potential estimate maintained by the National Renewable Energy Laboratory was updated using the most recent temperature-at-depth maps available from the Southern Methodist University Geothermal Laboratory. The previous study dates back to 2011 and was developed using the original temperature-at-depth maps showcased in the 2006 MIT Future of Geothermal Energy report. The methodology used to update the deep EGS resource potential is the same as in the previous study and is summarized in the paper. The updated deep EGS resource potential estimate was calculated for depths between 3 and 7 km and is binned in 25 degrees C increments. The updated deep EGS electricity generation resource potential estimate is 4,349 GWe. A comparison of the estimates from the previous and updated studies shows a net increase of 117 GWe in the 3-7 km depth range, due mainly to increases in the underlying temperature-at-depth estimates from the updated maps.
Original languageAmerican English
Pages673-677
Number of pages5
StatePublished - 2017
EventGeothermal Resources Council Annual Meeting (GRC 2016) - Sacramento, California
Duration: 23 Oct 201626 Oct 2016

Conference

ConferenceGeothermal Resources Council Annual Meeting (GRC 2016)
CitySacramento, California
Period23/10/1626/10/16

Bibliographical note

See NREL/CP-6A20-66428 for preprint

NREL Publication Number

  • NREL/CP-6A20-68520

Keywords

  • EGS
  • enhanced geothermal systems
  • resource potential
  • supply curve
  • temperature-at-depth maps

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