Installed geothermal energy capacity by country

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

Countries reporting
31
Highest
2,725 megawatts
United States
Lowest
0.05 megawatts
Romania
Median
51 megawatts
Years covered
25
2000–2024
Data points
660

What the numbers show

Installed geothermal energy capacity is currently reported for 31 countries. The highest value is 2,725 megawatts in United States; the lowest is 0.05 megawatts in Romania.

The median across all reporting countries is 51 megawatts, and the mean is 496.7 megawatts.

The gap between the highest and lowest reporting country is a factor of about 54,500.

Over the past decade 20 countries rose and 3 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 United States 2,725 megawatts 2024 up 8.4% rising
2 Indonesia 2,639 megawatts 2024 up 88.0% rising
3 Philippines 1,952 megawatts 2024 up 1.9% rising
4 Turkey 1,734 megawatts 2024 up 328.2% volatile
5 New Zealand 1,275 megawatts 2024 up 32.0% rising
6 Mexico 998.5 megawatts 2024 up 15.0% rising
7 Kenya 939.73 megawatts 2024 up 156.7% volatile
8 Iceland 787.58 megawatts 2024 up 18.4% rising
9 Italy 771.79 megawatts 2024 up 0.5% rising
10 Japan 489.05 megawatts 2024 down 3.7% falling
11 Costa Rica 262.66 megawatts 2024 up 20.8% rising
12 El Salvador 209.4 megawatts 2024 up 2.4% rising
13 Nicaragua 165.44 megawatts 2024 up 7.1% rising
14 Chile 83.58 megawatts 2024 up 248.2% rising
15 Russia 81.4 megawatts 2024 up 10.0% rising
16 Papua New Guinea 51 megawatts 2024 up 2.0% rising
17 Guatemala 49.2 megawatts 2024 unchanged rising
18 Germany 44 megawatts 2024 up 51.7% volatile
19 Honduras 39 megawatts 2024 up 11.4% rising
20 Portugal 29.1 megawatts 2024 up 16.4% rising
21 China 25.75 megawatts 2024 down 0.8% rising
22 France 16.15 megawatts 2024 up 7.7% rising
24 Croatia 10 megawatts 2024 unchanged flat
25 Taiwan 7.49 megawatts 2024 up 24,863.3% volatile
26 Ethiopia 7.3 megawatts 2024 unchanged flat
27 Hungary 3 megawatts 2024 unchanged flat
28 Argentina 0.6 megawatts 2008 unchanged flat
29 Thailand 0.3 megawatts 2024 unchanged flat
30 Austria 0.25 megawatts 2024 down 72.7% volatile
31 Australia 0.1 megawatts 2024 unchanged falling
32 Romania 0.05 megawatts 2021 unchanged flat

About this data

Indicator
Installed geothermal energy capacity
Unit
megawatts
Source
IRENA (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
32 places, 660 data points, 2000–2024
Last refreshed

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