Geothermal Regions

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Geothermal Regions

RegionsMap2012.jpg

Geothermal regions were outlined for the western United States (including Alaska and Hawaii) to identify geothermal areas, projects, and exploration trends for each region. These regions were developed based on the USGS physiographic regions (U.S. Geological Survey), and then adjusted to fit geothermal exploration parameters such as differences in geologic regime, structure, heat source, surface effects (weather, vegetation patterns, groundwater flow), and other relevant factors. The 21 regions can be seen outlined in red and overlain on the 2008 USGS Geothermal Favorability Map in Figure 1.[1]

Add a new Geothermal Region


List of Regions

 
Area

Mean
MW

Undiscovered
Mean(MW)

Installed
Capacity
(MW)

Plants Included
in Installed
Estimate

Planned
Capacity
(MW)

Plants Included
in Planned
Estimate

Plants With
Unknown Planned
Capacity
Alaska Geothermal Region 1,717,854 km²1,717,854,000,000 m²
663,091.644 mi²
18,490,808,670,600 ft²
2,054,553,384,000 yd²
424,490,312.67 acres
677 MW677,000 kW
677,000,000 W
677,000,000,000 mW
0.677 GW
6.77e-4 TW
1,788 MW1,788,000 kW
1,788,000,000 W
1,788,000,000,000 mW
1.788 GW
0.00179 TW
25 MW25,000 kW
25,000,000 W
25,000,000,000 mW
0.025 GW
2.5e-5 TW
3 1
Australia Geothermal Region
Austria Geothermal Region
Cascades Geothermal Region 124,543 km²124,543,000,000 m²
48,073.598 mi²
1,340,568,397,700 ft²
148,953,428,000 yd²
30,775,198.015 acres
608 MW608,000 kW
608,000,000 W
608,000,000,000 mW
0.608 GW
6.08e-4 TW
1,057 MW1,057,000 kW
1,057,000,000 W
1,057,000,000,000 mW
1.057 GW
0.00106 TW
30 MW30,000 kW
30,000,000 W
30,000,000,000 mW
0.03 GW
3.0e-5 TW
1 2
Central Nevada Seismic Zone Geothermal Region 28,863 km²28,863,000,000 m²
11,141.118 mi²
310,678,445,700 ft²
34,520,148,000 yd²
7,132,191.615 acres
378.3 MW378,300 kW
378,300,000 W
378,300,000,000 mW
0.378 GW
3.783e-4 TW
745 MW745,000 kW
745,000,000 W
745,000,000,000 mW
0.745 GW
7.45e-4 TW
385 MW385,000 kW
385,000,000 W
385,000,000,000 mW
0.385 GW
3.85e-4 TW
4 9
China Geothermal Region
East African Rift Geothermal Region
Germany Geothermal Region
Germany Geothermal Region
Gulf of California Rift Zone Geothermal Region 24,178 km²24,178,000,000 m²
9,332.708 mi²
260,249,574,200 ft²
28,916,888,000 yd²
5,974,504.69 acres
3,147.2 MW3,147,200 kW
3,147,200,000 W
3,147,200,000,000 mW
3.147 GW
0.00315 TW
147.1 MW147,100 kW
147,100,000 W
147,100,000,000 mW
0.147 GW
1.471e-4 TW
710 MW710,000 kW
710,000,000 W
710,000,000,000 mW
0.71 GW
7.1e-4 TW
7 4
Hawaii Geothermal Region 28,311 km²28,311,000,000 m²
10,928.046 mi²
304,736,772,900 ft²
33,859,956,000 yd²
6,995,789.655 acres
181 MW181,000 kW
181,000,000 W
181,000,000,000 mW
0.181 GW
1.81e-4 TW
2,435 MW2,435,000 kW
2,435,000,000 W
2,435,000,000,000 mW
2.435 GW
0.00244 TW
50 MW50,000 kW
50,000,000 W
50,000,000,000 mW
0.05 GW
5.0e-5 TW
1 0
Holocene Magmatic Geothermal Region 20,051 km²20,051,000,000 m²
7,739.686 mi²
215,826,958,900 ft²
23,980,996,000 yd²
4,954,702.355 acres
1,127.7 MW1,127,700 kW
1,127,700,000 W
1,127,700,000,000 mW
1.128 GW
0.00113 TW
294 MW294,000 kW
294,000,000 W
294,000,000,000 mW
0.294 GW
2.94e-4 TW
333 MW333,000 kW
333,000,000 W
333,000,000,000 mW
0.333 GW
3.33e-4 TW
4 0
Iceland Geothermal Region
Idaho Batholith Geothermal Region 72,438 km²72,438,000,000 m²
27,961.068 mi²
779,715,388,200 ft²
86,635,848,000 yd²
17,899,791.99 acres
217.9 MW217,900 kW
217,900,000 W
217,900,000,000 mW
0.218 GW
2.179e-4 TW
498.4 MW498,400 kW
498,400,000 W
498,400,000,000 mW
0.498 GW
4.984e-4 TW
150 MW150,000 kW
150,000,000 W
150,000,000,000 mW
0.15 GW
1.5e-4 TW
1 1
Indonesia Geothermal Region
Italy Geothermal Region
Mexico Geothermal Region
New Zealand Geothermal Region
Northeast Honshu Arc
Northern Basin and Range Geothermal Region 298,001 km²298,001,000,000 m²
115,028.386 mi²
3,207,652,963,900 ft²
356,409,196,000 yd²
73,637,537.105 acres
358.3 MW358,300 kW
358,300,000 W
358,300,000,000 mW
0.358 GW
3.583e-4 TW
3,626.5 MW3,626,500 kW
3,626,500,000 W
3,626,500,000,000 mW
3.627 GW
0.00363 TW
503 MW503,000 kW
503,000,000 W
503,000,000,000 mW
0.503 GW
5.03e-4 TW
9 11
Northern Rockies Geothermal Region 97,538 km²97,538,000,000 m²
37,649.668 mi²
1,049,889,278,200 ft²
116,655,448,000 yd²
24,102,127.49 acres
70.7 MW70,700 kW
70,700,000 W
70,700,000,000 mW
0.0707 GW
7.07e-5 TW
391.1 MW391,100 kW
391,100,000 W
391,100,000,000 mW
0.391 GW
3.911e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Northwest Basin and Range Geothermal Region 137,091 km²137,091,000,000 m²
52,917.126 mi²
1,475,633,814,900 ft²
163,960,836,000 yd²
33,875,871.555 acres
1,044 MW1,044,000 kW
1,044,000,000 W
1,044,000,000,000 mW
1.044 GW
0.00104 TW
2,238 MW2,238,000 kW
2,238,000,000 W
2,238,000,000,000 mW
2.238 GW
0.00224 TW
161 MW161,000 kW
161,000,000 W
161,000,000,000 mW
0.161 GW
1.61e-4 TW
6 9
Outside a Geothermal Region
Papua New Guinea Geothermal Region
Philippines Geothermal Region
Rio Grande Rift Geothermal Region 130,309 km²130,309,000,000 m²
50,299.274 mi²
1,402,633,045,100 ft²
155,849,564,000 yd²
32,200,005.445 acres
227 MW227,000 kW
227,000,000 W
227,000,000,000 mW
0.227 GW
2.27e-4 TW
1,137 MW1,137,000 kW
1,137,000,000 W
1,137,000,000,000 mW
1.137 GW
0.00114 TW
15 MW15,000 kW
15,000,000 W
15,000,000,000 mW
0.015 GW
1.5e-5 TW
1 1
Russia Geothermal Region
Ryuku Arc
San Andreas Geothermal Region 73,756 km²73,756,000,000 m²
28,469.816 mi²
793,902,208,400 ft²
88,212,176,000 yd²
18,225,476.38 acres
17.1 MW17,100 kW
17,100,000 W
17,100,000,000 mW
0.0171 GW
1.71e-5 TW
446.7 MW446,700 kW
446,700,000 W
446,700,000,000 mW
0.447 GW
4.467e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
San Andreas Split Geothermal Region 18,246 km²18,246,000,000 m²
7,042.956 mi²
196,398,119,400 ft²
21,822,216,000 yd²
4,508,677.83 acres
7 MW7,000 kW
7,000,000 W
7,000,000,000 mW
0.007 GW
7.0e-6 TW
101 MW101,000 kW
101,000,000 W
101,000,000,000 mW
0.101 GW
1.01e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Sierra Nevada Geothermal Region 56,363 km²56,363,000,000 m²
21,756.118 mi²
606,685,695,700 ft²
67,410,148,000 yd²
13,927,579.115 acres
0 MW0 kW
0 W
0 mW
0 GW
0 TW
24.5 MW24,500 kW
24,500,000 W
24,500,000,000 mW
0.0245 GW
2.45e-5 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Snake River Plain Geothermal Region 57,161 km²57,161,000,000 m²
22,064.146 mi²
615,275,287,900 ft²
68,364,556,000 yd²
14,124,768.905 acres
130 MW130,000 kW
130,000,000 W
130,000,000,000 mW
0.13 GW
1.3e-4 TW
747.4 MW747,400 kW
747,400,000 W
747,400,000,000 mW
0.747 GW
7.474e-4 TW
114 MW114,000 kW
114,000,000 W
114,000,000,000 mW
0.114 GW
1.14e-4 TW
1 4
Southern Basin and Range Geothermal Region 223,189 km²223,189,000,000 m²
86,150.954 mi²
2,402,384,077,100 ft²
266,934,044,000 yd²
55,151,117.845 acres
9 MW9,000 kW
9,000,000 W
9,000,000,000 mW
0.009 GW
9.0e-6 TW
841.1 MW841,100 kW
841,100,000 W
841,100,000,000 mW
0.841 GW
8.411e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Southern Colorado Plateau Geothermal Region 92,253 km²92,253,000,000 m²
35,609.658 mi²
993,002,066,700 ft²
110,334,588,000 yd²
22,796,177.565 acres
0 MW0 kW
0 W
0 mW
0 GW
0 TW
278.5 MW278,500 kW
278,500,000 W
278,500,000,000 mW
0.279 GW
2.785e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Southern Rockies Geothermal Region 128,454 km²128,454,000,000 m²
49,583.244 mi²
1,382,666,010,600 ft²
153,630,984,000 yd²
31,741,625.67 acres
0 MW0 kW
0 W
0 mW
0 GW
0 TW
1,010 MW1,010,000 kW
1,010,000,000 W
1,010,000,000,000 mW
1.01 GW
0.00101 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0
Thailand Geothermal Region
Transition Zone Geothermal Region 40,075 km²40,075,000,000 m²
15,468.95 mi²
431,363,292,500 ft²
47,929,700,000 yd²
9,902,732.875 acres
52.7 MW52,700 kW
52,700,000 W
52,700,000,000 mW
0.0527 GW
5.27e-5 TW
691.2 MW691,200 kW
691,200,000 W
691,200,000,000 mW
0.691 GW
6.912e-4 TW
5 MW5,000 kW
5,000,000 W
5,000,000,000 mW
0.005 GW
5.0e-6 TW
1 1
Turkey Geothermal Region
Walker-Lane Transition Zone Geothermal Region 81,283 km²81,283,000,000 m²
31,375.238 mi²
874,922,083,700 ft²
97,214,468,000 yd²
20,085,435.715 acres
762.7 MW762,700 kW
762,700,000 W
762,700,000,000 mW
0.763 GW
7.627e-4 TW
1,133.6 MW1,133,600 kW
1,133,600,000 W
1,133,600,000,000 mW
1.134 GW
0.00113 TW
630 MW630,000 kW
630,000,000 W
630,000,000,000 mW
0.63 GW
6.3e-4 TW
10 0
Yellowstone Caldera Geothermal Region 11,841 km²11,841,000,000 m²
4,570.626 mi²
127,455,339,900 ft²
14,161,836,000 yd²
2,925,970.305 acres
44 MW44,000 kW
44,000,000 W
44,000,000,000 mW
0.044 GW
4.4e-5 TW
209.9 MW209,900 kW
209,900,000 W
209,900,000,000 mW
0.21 GW
2.099e-4 TW
0 MW0 kW
0 W
0 mW
0 GW
0 TW
0 0

References

  1.  "USGS Assessment of Moderate- and High-Temperature Geothermal Resources of the United States"