Unrestricted access to geothermal energy

Billie Turner, Andreas Hagedorn

Research output: Contribution to journalArticlepeer-review


GRD will provide private, commercial and industrial property with a low-cost geothermal system that delivers the same heating and cooling performance as standard vertical or horizontal ground-source heat exchanger methods. There are two target groups to consider, existing and new-build properties. In Germany, for example, the existing potential is now four times larger than that of new build, and there is perhaps a similar situation in the UK. Therefore, GRD is a highly interesting alternative to existing technologies in terms of thermodynamic design, economical heat extraction, drilling performance and the best possible profit.

Original languageEnglish (US)
Pages (from-to)26-27
Number of pages2
JournalGeodrilling International
Issue number141
StatePublished - Apr 2008

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology


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