There is opportunity to pursue geothermal with greater steam and in more places. According to the Geothermal Energy Association, 39 countries could supply 100 percent of their electricity needs from geothermal energy, yet only 6 to 7 percent of the world’s potential geothermal power has been tapped. Theoretical projections based on geologic surveys of Iceland and the United States indicate that undiscovered geothermal resources could supply 1 to 2 terawatts of power or 7 to 13 percent of current human consumption. However, that number is significantly lower when capital requirements and other
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