Portugal Electricity Generation & Grid Mix
In 2025, Portugal generated 51.14 TWh of electricity (0.16% of global output, ranked #56 worldwide). Its primary generation source was Hydroelectric at 15.20 TWh (29.7% of the national grid), while low-carbon sources (nuclear + renewables) provided 80.9% of total supply.
Portugal Electricity Generation by Source (2025)
2025 Total Output: 51.14 TWh · Carbon Intensity: 128 gCO2/kWh
Portugal Electricity Generation & Capacity by Source (2025)
| Generation Source | 2025 Output (TWh) | Grid Share (%) | Installed Capacity (GW) | 5Y Change | Share of World Fuel |
|---|---|---|---|---|---|
| Hydroelectric | 15.20 TWh | 29.7% | 8.37 GW | +25.8% | 0.3% |
| Wind | 13.68 TWh | 26.8% | 5.61 GW | +11.2% | 0.5% |
| Solar | 8.86 TWh | 17.3% | 6.95 GW | +415.1% | 0.3% |
| Natural Gas | 8.42 TWh | 16.5% | 4.19 GW | -52.2% | 0.1% |
| Bioenergy | 3.43 TWh | 6.7% | 0.66 GW | -9.5% | 0.5% |
| Oil & Other Fossil | 1.35 TWh | 2.6% | 0.47 GW | +2.3% | 0.2% |
| Geothermal & Other | 0.20 TWh | 0.4% | 0.04 GW | -9.1% | 0.2% |
Portugal Historical Generation & Emissions Ledger (2000-2025)
| Year | Total (TWh) | Coal | Gas | Nuclear | Hydro | Wind | Solar | Clean % | gCO2/kWh |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 51.1 | 0.0 | 8.4 | 0.0 | 15.2 | 13.7 | 8.9 | 80.9% | 128 |
| 2024 | 47.3 | 0.0 | 5.6 | 0.0 | 14.9 | 14.3 | 7.1 | 85.2% | 111 |
| 2023 | 46.1 | 0.0 | 10.4 | 0.0 | 12.0 | 13.2 | 5.2 | 74.5% | 158 |
| 2022 | 46.3 | 0.0 | 17.4 | 0.0 | 6.5 | 13.3 | 3.5 | 59.6% | 225 |
| 2021 | 49.2 | 0.8 | 15.6 | 0.0 | 11.9 | 13.2 | 2.2 | 64.1% | 211 |
| 2020 | 51.4 | 2.4 | 17.6 | 0.0 | 12.1 | 12.3 | 1.7 | 58.6% | 248 |
| 2019 | 51.6 | 5.5 | 17.3 | 0.0 | 8.8 | 13.7 | 1.3 | 53.1% | 301 |
| 2018 | 58.4 | 12.0 | 15.6 | 0.0 | 12.4 | 12.6 | 1.0 | 50.4% | 359 |
| 2017 | 57.6 | 14.7 | 18.9 | 0.0 | 5.9 | 12.3 | 1.0 | 39.2% | 434 |
| 2016 | 59.1 | 12.6 | 12.6 | 0.0 | 15.7 | 12.5 | 0.9 | 54.7% | 344 |
| 2015 | 51.1 | 14.7 | 10.6 | 0.0 | 8.7 | 11.6 | 0.8 | 47.6% | 414 |
| 2014 | 51.8 | 12.0 | 6.8 | 0.0 | 15.6 | 12.1 | 0.6 | 61.0% | 326 |
| 2013 | 50.4 | 11.8 | 7.2 | 0.0 | 13.7 | 12.0 | 0.5 | 58.5% | 340 |
| 2012 | 45.4 | 13.1 | 10.7 | 0.0 | 5.6 | 10.3 | 0.4 | 42.6% | 441 |
| 2011 | 51.8 | 9.9 | 14.9 | 0.0 | 11.5 | 9.2 | 0.3 | 46.6% | 375 |
| 2010 | 53.5 | 7.1 | 14.9 | 0.0 | 16.2 | 9.2 | 0.2 | 53.0% | 317 |
| 2009 | 49.4 | 12.9 | 14.7 | 0.0 | 8.3 | 7.6 | 0.2 | 37.0% | 453 |
| 2008 | 45.3 | 11.2 | 15.2 | 0.0 | 6.8 | 5.8 | 0.0 | 32.3% | 472 |
| 2007 | 46.7 | 12.4 | 13.1 | 0.0 | 10.1 | 4.0 | 0.0 | 34.7% | 472 |
| 2006 | 48.4 | 15.0 | 12.3 | 0.0 | 11.0 | 2.9 | 0.0 | 32.5% | 504 |
| 2005 | 46.0 | 15.2 | 13.6 | 0.0 | 4.7 | 1.8 | 0.0 | 17.9% | 595 |
| 2004 | 44.7 | 14.9 | 11.7 | 0.0 | 9.9 | 0.8 | 0.0 | 27.6% | 541 |
| 2003 | 46.4 | 14.5 | 7.7 | 0.0 | 15.7 | 0.5 | 0.0 | 38.2% | 485 |
| 2002 | 45.6 | 15.2 | 9.0 | 0.0 | 7.8 | 0.4 | 0.0 | 21.4% | 593 |
| 2001 | 46.1 | 13.6 | 7.2 | 0.0 | 14.0 | 0.3 | 0.0 | 34.2% | 507 |
| 2000 | 43.2 | 14.6 | 7.1 | 0.0 | 11.3 | 0.2 | 0.0 | 29.8% | 546 |
Frequently Asked Questions - Portugal Power Grid
How much electricity does Portugal generate and what is its #1 power source?
In 2025, Portugal generated 51.14 TWh of electricity (0.16% of global output). Its largest single generation source was Hydroelectric at 15.20 TWh (29.7% of the national grid mix).
What share of Portugal's electricity comes from clean and renewable sources?
Low-carbon sources (nuclear plus renewables) supplied 80.9% of Portugal's electricity in 2025, with renewables accounting for 80.9% and wind plus solar contributing 44.1%. Fossil fuels accounted for 19.1% of total generation.
What is the carbon intensity of Portugal's electricity grid?
In 2025, Portugal's power sector carbon intensity was 128.1 gCO2/kWh, with total power sector emissions of 6.55 million metric tons of CO2.