Basic Differences Between Geothermal and Other Forms of Energy
Posted on December 18th, 2007 by Lawrence Molloy
Some key characteristics of geothermal energy distinguish it from all other energy sources, both conventional (e.g. fossil) and other renewables (e.g. solar, wind, biomass). They are as follows:
Geothermal resources are “hidden,” requiring major speculative expenditures for exploration to identify and prove resources as commercially viable.Geothermal energy is available at relatively very low density (BTU’s per pound of produced energy bearing material, for both water and steam) compared to other mineral energy forms such as coal, gas, and oil.Geothermal energy is characterized by relatively fixed ongoing fuel costs since, once accessed, a geothermal resource continues producing energy into the future without ongoing fuel costs.
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