Iceland Hydro Power: Generation, Share and Trend
Iceland generated 13.0 TWh of electricity from hydro in 2025, 71.2% of its total, according to Ember. That made it the 40th largest hydro power producer in 2025 of the 153 countries with Ember data, comparing each country's latest year. Hydro supplied 13.9% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through September 2026; they are compiled from national sources and are not real time.
Key Facts
- Iceland generated 13.0 TWh of electricity from hydro in 2025.
- Hydro supplied 71.2% of Iceland's electricity in 2025.
- Iceland was the 40th largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
- Iceland's hydro generation in 2025 was 1% higher than in 2020, when it was 12.9 TWh.
- Iceland's hydro generation in 2025 was 4% lower than in 2015, when it was 13.5 TWh.
- Iceland's hydro generation peaked at 14.1 TWh in 2023.
- Iceland's hydro share in 2025 was above the world share of 13.9%.
- Iceland had 2.13 GW of hydro generating capacity in 2024.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Hydro generation | 13.0 TWh | 2025 · Ember |
| Share of Iceland's electricity | 71.2% | 2025 · Ember |
| World share of hydro | 13.9% | 2025 · Ember |
| Rank by hydro generation (each country's latest year) | 40 of 153 | 2025 · Ember |
Hydro Generation Year by Year
Ember annual statistics, 2000 to 2025| Year | Hydro |
|---|---|
| 2000 | 6.29 TWh |
| 2001 | 6.51 TWh |
| 2002 | 6.91 TWh |
| 2003 | 7.02 TWh |
| 2004 | 7.06 TWh |
| 2005 | 6.95 TWh |
| 2006 | 7.22 TWh |
| 2007 | 8.31 TWh |
| 2008 | 12.3 TWh |
| 2009 | 12.2 TWh |
| 2010 | 12.5 TWh |
| 2011 | 12.4 TWh |
| 2012 | 12.2 TWh |
| 2013 | 12.8 TWh |
| 2014 | 12.6 TWh |
| 2015 | 13.5 TWh |
| 2016 | 13.1 TWh |
| 2017 | 13.9 TWh |
| 2018 | 13.7 TWh |
| 2019 | 13.3 TWh |
| 2020 | 12.9 TWh |
| 2021 | 13.6 TWh |
| 2022 | 13.9 TWh |
| 2023 | 14.1 TWh |
| 2024 | 13.5 TWh |
| 2025 | 13.0 TWh |
| Year | Iceland | World |
|---|---|---|
| 2000 | 82.7% | 17.2% |
| 2001 | 81.8% | 16.5% |
| 2002 | 82.8% | 16.3% |
| 2003 | 83.2% | 15.7% |
| 2004 | 82.7% | 16.1% |
| 2005 | 80.7% | 16.1% |
| 2006 | 73.3% | 16.0% |
| 2007 | 69.9% | 15.5% |
| 2008 | 75.3% | 16.1% |
| 2009 | 72.8% | 16.3% |
| 2010 | 74.7% | 16.1% |
| 2011 | 73.5% | 15.9% |
| 2012 | 70.6% | 16.3% |
| 2013 | 70.9% | 16.4% |
| 2014 | 70.5% | 16.3% |
| 2015 | 73.0% | 16.2% |
| 2016 | 72.0% | 16.3% |
| 2017 | 72.8% | 16.0% |
| 2018 | 69.5% | 15.8% |
| 2019 | 68.9% | 15.8% |
| 2020 | 68.4% | 16.3% |
| 2021 | 70.0% | 15.2% |
| 2022 | 70.2% | 15.0% |
| 2023 | 71.2% | 14.3% |
| 2024 | 70.7% | 14.4% |
| 2025 | 71.2% | 13.9% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 13.0 TWh | 71.2% | 13.9% | n/a |
| 2024 | 13.5 TWh | 70.7% | 14.4% | 2.13 GW |
| 2023 | 14.1 TWh | 71.2% | 14.3% | 2.15 GW |
| 2022 | 13.9 TWh | 70.2% | 15.0% | 2.11 GW |
| 2021 | 13.6 TWh | 70.0% | 15.2% | 2.11 GW |
| 2020 | 12.9 TWh | 68.4% | 16.3% | 2.11 GW |
| 2019 | 13.3 TWh | 68.9% | 15.8% | 2.10 GW |
| 2018 | 13.7 TWh | 69.5% | 15.8% | 2.10 GW |
| 2017 | 13.9 TWh | 72.8% | 16.0% | 1.99 GW |
| 2016 | 13.1 TWh | 72.0% | 16.3% | 1.99 GW |
Full year by year history for Iceland
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Hydro Generation Month by Month
Ember monthly statistics through September 2026| Month | Hydro |
|---|---|
| 2024-10 | 1.19 TWh |
| 2024-11 | 1.16 TWh |
| 2024-12 | 1.17 TWh |
| 2025-01 | 1.13 TWh |
| 2025-02 | 1.03 TWh |
| 2025-03 | 1.14 TWh |
| 2025-04 | 1.09 TWh |
| 2025-05 | 1.12 TWh |
| 2025-06 | 1.10 TWh |
| 2025-07 | 1.12 TWh |
| 2025-08 | 1.10 TWh |
| 2025-09 | 1.12 TWh |
| 2025-10 | 1.12 TWh |
| 2025-11 | 1.05 TWh |
| 2025-12 | 1.03 TWh |
| 2026-01 | 1.02 TWh |
| 2026-02 | 950 GWh |
| 2026-03 | 1.02 TWh |
| 2026-04 | 980 GWh |
| 2026-05 | 1.07 TWh |
| 2026-06 | 1.07 TWh |
| 2026-07 | 1.11 TWh |
| 2026-08 | 1.09 TWh |
| 2026-09 | 1.08 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of September 2026. Monthly figures for Iceland can differ slightly from the annual totals.
Related
Cite this page
World Power Monitor. (2026). Iceland Hydro Power: Generation, Share and Trend. https://worldpowermonitor.com/countries/iceland/hydro/
World Power Monitor. Iceland Hydro Power: Generation, Share and Trend. Data as of 2026-09. Data from Ember. https://worldpowermonitor.com/countries/iceland/hydro/
@misc{wpm_countries_iceland_hydro_2026,
title = {{Iceland Hydro Power: Generation, Share and Trend}},
author = {{World Power Monitor}},
year = {2026},
note = {Data as of 2026-09. Data from Ember.},
url = {https://worldpowermonitor.com/countries/iceland/hydro/}
} Permalink: https://worldpowermonitor.com/countries/iceland/hydro/
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