Installed geothermal energy capacity in United States

United States: Installed geothermal energy capacity was 2,696 megawatts in 2025. ▲ Rising

Latest (2025)
2,696 megawatts
Change on year
unchanged
World rank
2nd
of 32 countries
All-time high
2,793 megawatts
in 2000
All-time low
2,133 megawatts
in 2003
Years of data
26
2000–2025

Installed geothermal energy capacity in United States, 2000–2025

01.0k2.0k3.0k2000201220252000: 2.8k megawatts2001: 2.2k megawatts2002: 2.3k megawatts2003: 2.1k megawatts2004: 2.2k megawatts2005: 2.3k megawatts2006: 2.3k megawatts2007: 2.2k megawatts2008: 2.2k megawatts2009: 2.4k megawatts2010: 2.4k megawatts2011: 2.4k megawatts2012: 2.6k megawatts2013: 2.6k megawatts2014: 2.5k megawatts2015: 2.5k megawatts2016: 2.5k megawatts2017: 2.5k megawatts2018: 2.4k megawatts2019: 2.6k megawatts2020: 2.6k megawatts2021: 2.6k megawatts2022: 2.6k megawatts2023: 2.7k megawatts2024: 2.7k megawatts2025: 2.7k megawatts

Source: IRENA (2026) – processed by Our World in Data. Measured in megawatts.

Analysis

In 2025, installed geothermal energy capacity in United States stood at 2,696 megawatts.

The figure is up 6.0% over ten years.

Over the whole period, installed geothermal energy capacity in United States peaked at 2,793 megawatts in 2000 and was at its lowest, 2,133 megawatts, in 2003.

That places United States 2nd out of 32 countries with data for 2025, putting it in the top 10%.

The long-run direction has been consistently rising across the 26 years of available data.

Installed geothermal energy capacity in United States, year by year

Annual values for Installed geothermal energy capacity in United States, 2000 to 2025.
Year megawatts Change
2000 2,793 megawatts
2001 2,216 megawatts -20.7%
2002 2,252 megawatts +1.6%
2003 2,133 megawatts -5.3%
2004 2,152 megawatts +0.9%
2005 2,285 megawatts +6.2%
2006 2,274 megawatts -0.5%
2007 2,214 megawatts -2.6%
2008 2,229 megawatts +0.7%
2009 2,382 megawatts +6.9%
2010 2,405 megawatts +1.0%
2011 2,409 megawatts +0.2%
2012 2,592 megawatts +7.6%
2013 2,607 megawatts +0.6%
2014 2,514 megawatts -3.6%
2015 2,542 megawatts +1.1%
2016 2,517 megawatts -1.0%
2017 2,483 megawatts -1.3%
2018 2,444 megawatts -1.6%
2019 2,555 megawatts +4.5%
2020 2,572 megawatts +0.6%
2021 2,597 megawatts +1.0%
2022 2,649 megawatts +2.0%
2023 2,696 megawatts +1.8%
2024 2,696 megawatts -0.0%
2025 2,696 megawatts +0.0%

United States compared with similar countries

  • United States's 2,696 megawatts is above the median for high income countries, which is 79.47 megawatts, 33.9× the median. (16 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 2,293 megawatts 2,133 megawatts 2,793 megawatts 10
2010s 2,507 megawatts 2,405 megawatts 2,607 megawatts 10
2020s 2,651 megawatts 2,572 megawatts 2,696 megawatts 6

Countries ranked near United States

  1. 1 Indonesia 2,744 megawatts compare
  2. 3 Philippines 2,057 megawatts compare
  3. 4 Turkey 1,758 megawatts compare
  4. 5 New Zealand 1,283 megawatts compare

See the full ranking of 32 places →

More reference data data for United States

All data for United States →

Frequently asked questions

What is installed geothermal energy capacity in United States?
Installed geothermal energy capacity in United States was 2,696 megawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
What is the highest installed geothermal energy capacity recorded in United States?
The highest recorded value was 2,793 megawatts in 2000.
What is the lowest installed geothermal energy capacity recorded in United States?
The lowest recorded value was 2,133 megawatts in 2003.
How does United States rank for installed geothermal energy capacity?
United States ranks 2nd out of 32 countries with data for 2025.
Is installed geothermal energy capacity rising or falling in United States?
Over the last ten years it is up 6.0%. The long-run trend across the full record is rising.
Where does this United States data come from?
The figures come from IRENA (2026) – processed by Our World in Data, published as part of Installed geothermal energy capacity. Statizoid updates them automatically from the source API.

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

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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.