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Table 3.8. Geothermal Direct Use of Energy and Heat Pumps, 1990-2006
(Quadrillion Btu) |
Year |
Direct Use |
Heat Pumps |
Total |
1990 |
0.0048 |
0.0054 |
0.0102 |
1991 |
0.0050 |
0.0060 |
0.0110 |
1992 |
0.0051 |
0.0067 |
0.0118 |
1993 |
0.0053 |
0.0072 |
0.0125 |
1994 |
0.0056 |
0.0076 |
0.0132 |
1995 |
0.0058 |
0.0083 |
0.0141 |
1996 |
0.0059 |
0.0093 |
0.0152 |
1997 |
0.0061 |
0.0101 |
0.0162 |
1998 |
0.0063 |
0.0115 |
0.0178 |
1999 |
0.0079 |
0.0114 |
0.0193 |
2000 |
0.0084 |
0.0122 |
0.0206 |
2001 |
0.0090 |
0.0135 |
0.0225 |
2002 |
0.0090 |
0.0147 |
0.0237 |
2003 |
0.0086 |
0.0188 |
0.0274 |
2004 |
0.0086 |
0.0212 |
0.0298 |
2005 |
0.0088 |
0.0240 |
0.0328 |
2006 |
0.0091 |
0.0276 |
0.0367 |
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