Installed geothermal energy capacity in Iceland
Iceland: Installed geothermal energy capacity was 787.58 megawatts in 2025. ▲ Rising
Installed geothermal energy capacity in Iceland, 2000–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in megawatts.
Analysis
Iceland recorded 787.58 megawatts for installed geothermal energy capacity in 2025. That is the highest value across all 26 years on record.
The figure is up 18.4% over ten years.
Over the whole period, installed geothermal energy capacity in Iceland peaked at 787.58 megawatts in 2023 and was at its lowest, 172 megawatts, in 2000.
Iceland ranks 8th of 32 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 26 years of available data.
Installed geothermal energy capacity in Iceland, year by year
| Year | megawatts | Change |
|---|---|---|
| 2000 | 172 megawatts | — |
| 2001 | 202 megawatts | +17.4% |
| 2002 | 202 megawatts | +0.0% |
| 2003 | 202 megawatts | +0.0% |
| 2004 | 202 megawatts | +0.0% |
| 2005 | 232 megawatts | +14.9% |
| 2006 | 422 megawatts | +81.9% |
| 2007 | 485 megawatts | +14.9% |
| 2008 | 575 megawatts | +18.6% |
| 2009 | 575 megawatts | +0.0% |
| 2010 | 575 megawatts | +0.0% |
| 2011 | 665 megawatts | +15.7% |
| 2012 | 665 megawatts | +0.0% |
| 2013 | 665 megawatts | +0.0% |
| 2014 | 665 megawatts | +0.0% |
| 2015 | 665 megawatts | +0.0% |
| 2016 | 665 megawatts | +0.0% |
| 2017 | 709.96 megawatts | +6.8% |
| 2018 | 755.56 megawatts | +6.4% |
| 2019 | 755.56 megawatts | +0.0% |
| 2020 | 756.16 megawatts | +0.1% |
| 2021 | 756.21 megawatts | +0.0% |
| 2022 | 757.58 megawatts | +0.2% |
| 2023 | 787.58 megawatts | +4.0% |
| 2024 | 787.58 megawatts | +0.0% |
| 2025 | 787.58 megawatts | +0.0% |
Iceland compared with similar countries
- Iceland's 787.58 megawatts is above the median for high income countries, which is 79.47 megawatts, 9.9× the median. (16 countries reporting)
- Iceland's 787.58 megawatts is above the median for Europe & Central Asia, which is 29.1 megawatts, 27.1× the median. (11 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 326.9 megawatts | 172 megawatts | 575 megawatts | 10 |
| 2010s | 678.61 megawatts | 575 megawatts | 755.56 megawatts | 10 |
| 2020s | 772.11 megawatts | 756.16 megawatts | 787.58 megawatts | 6 |
Countries ranked near Iceland
More reference data data for Iceland
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0288 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0708 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.1854 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0001 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.1854 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0964 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.062 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.2576 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.7664 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0005 (2050)
Frequently asked questions
- What is installed geothermal energy capacity in Iceland?
- Installed geothermal energy capacity in Iceland was 787.58 megawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest installed geothermal energy capacity recorded in Iceland?
- The highest recorded value was 787.58 megawatts in 2023.
- What is the lowest installed geothermal energy capacity recorded in Iceland?
- The lowest recorded value was 172 megawatts in 2000.
- How does Iceland rank for installed geothermal energy capacity?
- Iceland ranks 8th out of 32 countries with data for 2025.
- Is installed geothermal energy capacity rising or falling in Iceland?
- Over the last ten years it is up 18.4%. The long-run trend across the full record is rising.
- Where does this Iceland 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.