Data for World Geothermal Power Generation Nearing Eruption

World Cumulative Installed Geothermal Power Capacity, 1950-2007, with Projection for 2010 (table and figures)

World Installed Geothermal Power Capacity by Country, 1990-2007 (table)

Installed Geothermal Power Capacity and Geothermal Electricity Generation in Top 20 Countries, 2007 (table and figure)

Share of Total Electricity Generation from Geothermal Resources in Top 15 Countries, 2007 (table and figure)

Cumulative Installed Geothermal Power Capacity by U.S. State as of August 2008 (table)

Confirmed U.S. Geothermal Projects Under Development as of August 2008 (table)

Countries that Could Meet 100 Percent of Electricity Demand with Geothermal Energy (table)

Total Capacity of Geothermal Units Ordered by Manufacturer since Mid-2000 (table)

 

World Cumulative Installed Geothermal Power Capacity, 1950-2007, with Projection for 2010
Year	Cumulative Installed Capacity
	Megawatts
1950	200
1955	262
1960	374
1965	556
1970	711
1975	1,300
1980	3,887
1985	4,764
1990	5,832
1995	6,833
2000	7,972
2005	8,933
2007 1	9,968
2010 2	13,500
1 Estimate.
2 Projection.
Source: Compiled by Earth Policy Institute with 1950-1970 data from Worldwatch Institute, Signposts 2004, CD-ROM (Washington, DC: 2004); 1975-2005 data from Ruggero Bertani, "World Geothermal Generation in 2007," GHC Bulletin, September 2007, p. 8; 2007 figure calculated from Bertani, with U.S. data from Geothermal Energy Association, Update on US Geothermal Power Production and Development (Washington, DC: 16 January 2008); 2010 projection from Karl Gawell and Griffin Greenberg, 2007 Interim Report: Update on World Geothermal Development (Washington, DC: Geothermal Energy Association, 1 May 2007).

 

World Installed Geothermal Power Capacity by Country, 1990-2007
Country	1990	1995	2000	2005	2007 1
	Megawatts
Australia	0.0	0.2	0.2	0.2	0.2
Austria	0.0	0.0	0.0	1.1	1.1
China	19.2	28.8	29.2	27.8	27.8
Costa Rica	0.0	55.0	142.5	163.0	162.5
El Salvador	95.0	105.0	161.0	151.0	204.2
Ethiopia	0.0	0.0	7.3	7.3	7.3
France	4.2	4.2	4.2	14.7	14.7
Germany	0.0	0.0	0.0	0.2	8.4
Guatemala	0.0	33.4	33.4	33.0	53.0
Iceland	44.6	50.0	170.0	202.0	421.2
Indonesia	144.8	309.8	589.5	797.0	992.0
Italy	545.0	631.7	785.0	791.0	810.5
Japan	214.6	413.7	546.9	535.0	535.2
Kenya	45.0	45.0	45.0	129.0	128.8
Mexico	700.0	753.0	755.0	953.0	953.0
New Zealand	283.2	286.0	437.0	435.0	471.6
Nicaragua	35.0	70.0	70.0	77.0	87.4
Papua New Guinea	0.0	0.0	0.0	6.0	56.0
Philippines	891.0	1,227.0	1,909.0	1,930.0	1,969.7
Portugal	3.0	5.0	16.0	16.0	23.0
Russia	11.0	11.0	23.0	79.0	79.0
Thailand	0.3	0.3	0.3	0.3	0.3
Turkey	20.6	20.4	20.4	20.0	38.0
United States	2,774.6	2,816.7	2,228.0	2,564.0	2,923.5
World Total	5,831.1	6,866.1	7,972.9	8,932.6	9,968.4
1 Estimate.
Source: Compiled by Earth Policy Institute with 1990 and 1995 from International Geothermal Association, "Installed Generating Capacity," at http://iga.igg.cnr.it/geoworld/geoworld.php?sub=elgen, updated 29 July 2008; 2000, 2005, and 2007 from Ruggero Bertani, "World Geothermal Generation in 2007," GHC Bulletin, September 2007, p. 9; 2007 U.S. data from Geothermal Energy Association, Update on US Geothermal Power Production and Development (Washington, DC: 16 January 2008).

Installed Geothermal Power Capacity and Geothermal Electricity Generation in Top 20 Countries, 2007
Country	Geothermal Power Capacity 1	Geothermal Electricity Generation 2
	Megawatts	Million Kilowatt-hours
United States 3	2,923.5	15,883
Philippines	1,969.7	12,596
Indonesia	992.0	6,344
Mexico	953.0	6,094
Italy	810.5	5,183
Japan	535.2	3,422
New Zealand	471.6	3,016
Iceland	421.2	2,693
El Salvador	204.2	1,306
Costa Rica	162.5	1,039
Kenya	128.8	824
Nicaragua	87.4	559
Russia	79.0	505
Papua New Guinea	56.0	358
Guatemala	53.0	339
Turkey	38.0	243
China	27.8	178
Portugal	23.0	147
France	14.7	94
Germany	8.4	54
1 Estimate.
2 Calculated based on installed capacity and  the average capacity factor of all geothermal power plants in operation today of 73 percent.
3 Approximately 750 megawatts of the 2,924 megawatts of total installed geothermal capacity was offline in 2007, primarily due to declining steam pressure at the Geysers geothermal steam field in California.
Source: Compiled by Earth Policy Institute with installed capacity from Ruggero Bertani, "World Geothermal Generation in 2007," GHC Bulletin, September 2007, p. 9; United States from Geothermal Energy Association, Update on US Geothermal Power Production and Development (Washington, DC: 16 January 2008); capacity factor from Ingvar B. Fridleifsson et al., “The Possible Role and Contribution of Geothermal Energy to the Mitigation of Climate Change,” in O. Hohmeyer and T. Trittin, eds., IPCC Scoping Meeting on Renewable Energy Sources, Proceedings (Luebeck, Germany: 20-25 January 2008), p. 5.

Share of Total Electricity Generation from Geothermal Resources in Top 15 Countries, 2007
Country	Share of Total Electricity Generated from Geothermal Resources 1
	Percent
Iceland	27.1
El Salvador	26.0
Philippines	23.4
Nicaragua	20.1
Kenya	15.0
Costa Rica	12.4
Papua New Guinea	8.9
New Zealand	7.2
Indonesia	5.2
Guatemala	4.6
Mexico	2.7
Italy	1.9
Ethiopia	1.6
United States	0.4
Portugal	0.3
1 Calculated based on installed capacity and  the average capacity factor of all geothermal power plants in operation today of 73 percent.
Source: Calculated by Earth Policy Insitute using installed capacity from Ruggero Bertani, "World Geothermal Generation in 2007," GHC Bulletin, September 2007, p. 9; United States from Geothermal Energy Association, Update on US Geothermal Power Production and Development (Washington, DC: 16 January 2008); capacity factor from Ingvar B. Fridleifsson et al., “The Possible Role and Contribution of Geothermal Energy to the Mitigation of Climate Change,” in O. Hohmeyer and T. Trittin, eds., IPCC Scoping Meeting on Renewable Energy Sources, Proceedings (Luebeck, Germany: 20-25 January 2008), p. 5; total electricity generation from U.S. Department of Energy, Energy Information Administration, "World Total Net Electricity Generation, 1980-2005," Table 6.3 in International Energy Annual 2005 (Washington, DC: 13 September 2007).

Cumulative Installed Geothermal Power Capacity by U.S. State as of August 2008
State	Cumulative Installed Capacity
	Megawatts
California 1	2,555.3
Nevada	318.0
Utah	36.0
Hawaii	35.0
Idaho	13.0
Alaska	0.4
New Mexico	0.2
U.S. Total	2,957.9
1 Approximately 750 megawatts of the 2,555 megawatts of total installed geothermal capacity was offline in 2007, primarily due to declining steam pressure at the Geysers geothermal steam field.
Source: Kara Slack, U.S. Geothermal Power Production and Development Update (Washington, DC: Geothermal Energy Association, 7 August 2008), p. 2.

Confirmed U.S. Geothermal Projects Under Development as of August 2008
	Expected Capacity
State	Number of Projects	Low Range	High Range
	Megawatts
Alaska	4	53.0	100.0
Arizona	1	2.0	20.0
California	20	907.6	1,016.6
Colorado	1	10.0	10.0
Florida	1	0.2	1.0
Hawaii	2	8.0	8.0
Idaho	6	251.0	326.0
Nevada	42	1,082.5	1,901.5
New Mexico	1	10.0	10.0
Oregon	11	297.4	322.4
Utah	6	244.0	244.0
Washington 1	1	n.a.	n.a.
Wyoming	1	0.2	0.2
Total	97	2,865.9	3,959.7
1 Expected capacity not reported.
Source: Kara Slack, U.S. Geothermal Power Production and Development Update (Washington, DC: Geothermal Energy Association, 7 August 2008), p. 9.

 

Countries that Could Meet 100 Percent of Electricity Demand with Geothermal Energy
Country	Population	Total Electricity Demand	Estimated Geothermal Capacity Required to Meet Electricity Demand 1
	Thousands	Million Kilowatt-hours	Megawatts
Bolivia	9,694	5,040	639
Burundi	8,856	140	18
Comoros Islands	860	20	3
Costa Rica	4,534	8,350	1,059
Djibouti	848	200	25
Dominica	73	80	10
Ecuador	13,481	12,940	1,641
El Salvador	6,953	4,690	595
Ethiopia	85,219	2,860	363
Fiji	844	1,050	133
Grenada	106	150	19
Guadeloupe	448	1,100	140
Guatemala	13,686	7,280	923
Honduras	7,246	5,340	677
Iceland	303	8,530	1,082
Indonesia	234,342	120,330	15,263
Kenya	38,550	5,500	698
Madagascar	20,215	1,050	133
Malawi	14,288	1,400	178
Martinique	400	1,120	142
Montserrat	10	20	3
Mozambique	21,813	13,170	1,670
Nicaragua	5,676	2,720	345
Panama	3,399	5,660	718
Papua New Guinea	6,458	3,700	469
Peru	28,221	24,970	3,167
Philippines	89,651	53,670	6,807
Rwanda	10,009	100	13
Saint Kitts and Nevis	40	130	16
Saint Lucia	167	300	38
Saint Vincent	121	120	15
Solomon Islands	507	60	8
Somalia	8,956	270	34
Sudan	39,445	3,940	500
Tanzania	41,464	1,880	238
Tonga	101	40	5
Uganda	31,903	1,980	251
Vanuatu	232	40	5
Yemen	23,066	4,460	566
Total	772,185	304,400	38,610
1 Assuming a capacity factor of 90 percent, typical of new geothermal power plants.
Source: Compiled by Earth Policy Institute from Karl Gawell et al., Preliminary Report: Geothermal Energy, the Potential for Clean Power from the Earth (Washington, DC: Geothermal Energy Association, 7 April 1999); 2008 population from U.N. Population Division, World Population Prospects: The 2006 Revision Population Database, at esa.un.org/unpp, updated September 2007 and Central Intelligence Agency, The World Factbook, at www.cia.gov/library/publications/the-world-factbook, updated 24 July 2008; electricity production in 2005 from U.S. Department of Energy, Energy Information Administration, "World Total Net Electricity Generation, 1980-2005," Table 6.3 in International Energy Annual 2005 (Washington, DC: 13 September 2007).

Total Capacity of Geothermal Units Ordered by Manufacturer since Mid-2000 1
Manufacturer	Country of Manufacture	Number of Units	Capacity
			Megawatts
Mitsubishi	Japan	15	572.0
Ormat	Israel	37	534.0
Fuji	Japan	9	474.0
Nuovo Pignone	Italy	8	164.0
Alstom	France	7	120.0
Mafi Trench	United States	6	67.0
Kaluga Turbine Works	Russia	6	57.0
General Electric	United States	2	56.0
Toshiba	Japan	1	33.0
Harbin	China	2	10.0
Enex	Iceland	1	9.0
Siemens	Germany	2	4.0
Turboden	Italy	3	3.0
Elliot	United States	1	2.0
UTC Power	United States	1	0.4
GMK	Germany	1	0.2
Other 2		6	122.0
Total		108	2,227.6
1 Not all units have been installed. Some are slated for installation by the end of 2009.
2 Refurbishing that can not be attributed to a specific manufacturer.
Source: Ruggero Bertani, "Geothermal Power Plants Commissioned in the Third Millennium," IGA News, April-June 2008, p. 9.