Installed geothermal energy capacity by country

Total geothermal (on- and off-grid) electricity installed capacity, measured in megawatts.

Countries reporting
32
Highest
2,744 megawatts
Indonesia
Lowest
0.05 megawatts
Romania
Median
64.28 megawatts
Years covered
26
2000–2025
Data points
690

What the numbers show

Installed geothermal energy capacity is currently reported for 32 countries. The highest value is 2,744 megawatts in Indonesia; the lowest is 0.05 megawatts in Romania.

The median across all reporting countries is 64.28 megawatts, and the mean is 488.26 megawatts.

The gap between the highest and lowest reporting country is a factor of about 54,875.

Over the past decade 20 countries rose and 2 fell. The largest increase was in Taiwan (up 24,863.3%), and the largest decrease in Austria (down 72.7%).

Installed geothermal energy capacity: full country ranking

#Country LatestYear 10-year changeTrend
1 Indonesia 2,744 megawatts 2025 up 90.8% rising
2 United States 2,696 megawatts 2025 up 6.0% rising
3 Philippines 2,057 megawatts 2025 up 7.4% rising
4 Turkey 1,758 megawatts 2025 up 181.7% volatile
5 New Zealand 1,283 megawatts 2025 up 29.6% rising
6 Mexico 998.5 megawatts 2025 up 11.2% rising
7 Kenya 925.42 megawatts 2025 up 49.5% volatile
8 Iceland 787.58 megawatts 2025 up 18.4% rising
9 Italy 771.79 megawatts 2025 up 0.5% rising
10 Japan 468.91 megawatts 2025 down 9.1% falling
11 Costa Rica 262.66 megawatts 2025 up 20.8% rising
12 El Salvador 209.4 megawatts 2025 up 2.4% rising
13 Nicaragua 165.44 megawatts 2025 up 7.1% rising
14 Chile 83.58 megawatts 2025 up 248.2% rising
15 Russia 81.4 megawatts 2025 up 10.0% rising
16 Germany 77.55 megawatts 2025 up 167.4% volatile
17 Papua New Guinea 51 megawatts 2025 up 2.0% rising
18 Guatemala 49.2 megawatts 2025 unchanged rising
19 Honduras 40 megawatts 2025 up 14.3% rising
20 Portugal 29.1 megawatts 2025 up 16.4% rising
21 China 25.75 megawatts 2025 unchanged rising
22 France 16.15 megawatts 2025 up 9.5% rising
23 Guadeloupe 14.5 megawatts 2025 unchanged rising
24 Croatia 10 megawatts 2025 unchanged flat
25 Taiwan 7.49 megawatts 2025 up 24,863.3% volatile
26 Ethiopia 7.3 megawatts 2025 unchanged flat
27 Hungary 3 megawatts 2025 unchanged flat
28 Argentina 0.6 megawatts 2008 unchanged flat
29 Thailand 0.3 megawatts 2025 unchanged flat
30 Austria 0.25 megawatts 2025 down 72.7% volatile
31 Australia 0.1 megawatts 2025 unchanged falling
32 Romania 0.05 megawatts 2021 unchanged flat

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Installed geothermal energy capacity by country. Statizoid, drawing on IRENA (2026) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/installed-geothermal-capacity/

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About this data

Indicator
Installed geothermal energy capacity
Unit
megawatts
Source
IRENA (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
32 places, 690 data points, 2000–2025
Last refreshed

Total geothermal (on- and off-grid) electricity installed capacity, measured in megawatts.