Installed geothermal energy capacity in Japan
Japan: Installed geothermal energy capacity was 468.91 megawatts in 2025. ▼ Falling
Installed geothermal energy capacity in Japan, 2000–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in megawatts.
Analysis
Japan recorded 468.91 megawatts for installed geothermal energy capacity in 2025.
Compared with earlier readings it is up 1.7% on the previous year and down 9.1% over ten years.
Over the whole period, installed geothermal energy capacity in Japan peaked at 537 megawatts in 2010 and was at its lowest, 436.81 megawatts, in 2022.
That places Japan 10th out of 32 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently falling across the 26 years of available data.
Installed geothermal energy capacity in Japan, year by year
| Year | megawatts | Change |
|---|---|---|
| 2000 | 533 megawatts | — |
| 2001 | 533 megawatts | +0.0% |
| 2002 | 533 megawatts | +0.0% |
| 2003 | 535 megawatts | +0.4% |
| 2004 | 535 megawatts | +0.0% |
| 2005 | 535 megawatts | +0.0% |
| 2006 | 532 megawatts | -0.6% |
| 2007 | 532 megawatts | +0.0% |
| 2008 | 532 megawatts | +0.0% |
| 2009 | 535 megawatts | +0.6% |
| 2010 | 537 megawatts | +0.4% |
| 2011 | 537 megawatts | +0.0% |
| 2012 | 512 megawatts | -4.7% |
| 2013 | 512 megawatts | +0.0% |
| 2014 | 508 megawatts | -0.8% |
| 2015 | 516 megawatts | +1.6% |
| 2016 | 526 megawatts | +1.9% |
| 2017 | 471.37 megawatts | -10.4% |
| 2018 | 473.12 megawatts | +0.4% |
| 2019 | 480.71 megawatts | +1.6% |
| 2020 | 487 megawatts | +1.3% |
| 2021 | 486.81 megawatts | -0.0% |
| 2022 | 436.81 megawatts | -10.3% |
| 2023 | 456.05 megawatts | +4.4% |
| 2024 | 460.91 megawatts | +1.1% |
| 2025 | 468.91 megawatts | +1.7% |
Japan compared with similar countries
- Japan's 468.91 megawatts is above the median for high income countries, which is 79.47 megawatts, 5.9× the median. (16 countries reporting)
- Japan's 468.91 megawatts is above the median for East Asia & Pacific, which is 259.96 megawatts, 1.8× the median. (8 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 533.5 megawatts | 532 megawatts | 535 megawatts | 10 |
| 2010s | 507.32 megawatts | 471.37 megawatts | 537 megawatts | 10 |
| 2020s | 466.08 megawatts | 436.81 megawatts | 487 megawatts | 6 |
Countries ranked near Japan
More reference data data for Japan
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 1.19 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.981 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 4.49 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.3629 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 4.49 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 3.98 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 4.16 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 5.57 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 23.74 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 1.98 (2050)
Frequently asked questions
- What is installed geothermal energy capacity in Japan?
- Installed geothermal energy capacity in Japan was 468.91 megawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest installed geothermal energy capacity recorded in Japan?
- The highest recorded value was 537 megawatts in 2010.
- What is the lowest installed geothermal energy capacity recorded in Japan?
- The lowest recorded value was 436.81 megawatts in 2022.
- How does Japan rank for installed geothermal energy capacity?
- Japan ranks 10th out of 32 countries with data for 2025.
- Is installed geothermal energy capacity rising or falling in Japan?
- Over the last ten years it is down 9.1%. The long-run trend across the full record is falling.
- Where does this Japan 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.
Download this data
CSV · JSON — 26 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Total geothermal (on- and off-grid) electricity installed capacity, measured in megawatts.