Greece Electricity Generation & Grid Mix
In 2025, Greece generated 57.92 TWh of electricity (0.18% of global output, ranked #52 worldwide). Its primary generation source was Natural Gas at 23.33 TWh (40.3% of the national grid), while low-carbon sources (nuclear + renewables) provided 47.8% of total supply.
Greece Electricity Generation by Source (2025)
2025 Total Output: 57.92 TWh · Carbon Intensity: 324 gCO2/kWh
Greece Electricity Generation & Capacity by Source (2025)
| Generation Source | 2025 Output (TWh) | Grid Share (%) | Installed Capacity (GW) | 5Y Change | Share of World Fuel |
|---|---|---|---|---|---|
| Natural Gas | 23.33 TWh | 40.3% | 6.97 GW | +21.3% | 0.3% |
| Wind | 12.08 TWh | 20.9% | 5.71 GW | +29.8% | 0.5% |
| Solar | 11.46 TWh | 19.8% | 11.08 GW | +157.5% | 0.4% |
| Oil & Other Fossil | 4.18 TWh | 7.2% | 1.44 GW | +1.5% | 0.5% |
| Hydroelectric | 3.42 TWh | 5.9% | 3.49 GW | +2.4% | 0.1% |
| Coal | 2.74 TWh | 4.7% | 1.65 GW | -58.5% | 0.0% |
| Bioenergy | 0.71 TWh | 1.2% | 0.18 GW | +57.8% | 0.1% |
Greece Historical Generation & Emissions Ledger (2000-2025)
| Year | Total (TWh) | Coal | Gas | Nuclear | Hydro | Wind | Solar | Clean % | gCO2/kWh |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 57.9 | 2.7 | 23.3 | 0.0 | 3.4 | 12.1 | 11.5 | 47.8% | 324 |
| 2024 | 57.1 | 3.3 | 21.5 | 0.0 | 3.6 | 12.6 | 11.3 | 49.2% | 322 |
| 2023 | 48.9 | 4.6 | 16.0 | 0.0 | 3.8 | 11.0 | 8.9 | 49.8% | 337 |
| 2022 | 51.7 | 5.8 | 19.1 | 0.0 | 3.9 | 10.9 | 7.1 | 43.5% | 377 |
| 2021 | 54.2 | 5.3 | 22.5 | 0.0 | 5.9 | 10.5 | 5.3 | 40.8% | 383 |
| 2020 | 47.5 | 6.6 | 19.2 | 0.0 | 3.3 | 9.3 | 4.5 | 37.0% | 423 |
| 2019 | 48.0 | 12.1 | 14.5 | 0.0 | 4.0 | 7.3 | 4.4 | 33.6% | 497 |
| 2018 | 52.6 | 17.2 | 14.1 | 0.0 | 5.7 | 6.3 | 3.8 | 30.7% | 545 |
| 2017 | 54.8 | 18.8 | 17.1 | 0.0 | 4.0 | 5.5 | 4.0 | 25.2% | 580 |
| 2016 | 53.8 | 18.9 | 15.0 | 0.0 | 5.5 | 5.2 | 3.9 | 27.7% | 572 |
| 2015 | 51.1 | 22.1 | 9.1 | 0.0 | 6.1 | 4.6 | 3.9 | 29.1% | 604 |
| 2014 | 49.6 | 25.8 | 6.8 | 0.0 | 4.5 | 3.7 | 3.8 | 24.6% | 668 |
| 2013 | 56.4 | 26.4 | 10.9 | 0.0 | 6.4 | 4.1 | 3.7 | 25.5% | 637 |
| 2012 | 59.9 | 31.1 | 13.5 | 0.0 | 4.4 | 3.9 | 1.7 | 16.9% | 704 |
| 2011 | 58.5 | 31.1 | 14.1 | 0.0 | 4.0 | 3.3 | 0.6 | 13.9% | 725 |
| 2010 | 56.6 | 30.8 | 9.9 | 0.0 | 7.5 | 2.7 | 0.2 | 18.6% | 707 |
| 2009 | 60.3 | 34.2 | 11.0 | 0.0 | 5.4 | 2.5 | 0.1 | 13.5% | 747 |
| 2008 | 62.2 | 33.4 | 13.8 | 0.0 | 3.3 | 2.2 | 0.0 | 9.3% | 759 |
| 2007 | 62.4 | 34.7 | 14.2 | 0.0 | 2.6 | 1.8 | 0.0 | 7.4% | 777 |
| 2006 | 59.4 | 32.3 | 10.6 | 0.0 | 5.9 | 1.7 | 0.0 | 12.9% | 743 |
| 2005 | 58.7 | 35.5 | 8.2 | 0.0 | 5.0 | 1.3 | 0.0 | 10.9% | 783 |
| 2004 | 58.2 | 35.4 | 9.0 | 0.0 | 4.7 | 1.1 | 0.0 | 10.2% | 786 |
| 2003 | 57.3 | 35.2 | 8.0 | 0.0 | 4.8 | 1.0 | 0.0 | 10.3% | 790 |
| 2002 | 53.4 | 34.6 | 7.1 | 0.0 | 2.8 | 0.7 | 0.0 | 6.7% | 828 |
| 2001 | 52.5 | 35.4 | 6.1 | 0.0 | 2.1 | 0.8 | 0.0 | 5.6% | 846 |
| 2000 | 52.9 | 34.3 | 5.9 | 0.0 | 3.7 | 0.5 | 0.0 | 7.8% | 823 |
Frequently Asked Questions - Greece Power Grid
How much electricity does Greece generate and what is its #1 power source?
In 2025, Greece generated 57.92 TWh of electricity (0.18% of global output). Its largest single generation source was Natural Gas at 23.33 TWh (40.3% of the national grid mix).
What share of Greece's electricity comes from clean and renewable sources?
Low-carbon sources (nuclear plus renewables) supplied 47.8% of Greece's electricity in 2025, with renewables accounting for 47.8% and wind plus solar contributing 40.6%. Fossil fuels accounted for 52.2% of total generation.
What is the carbon intensity of Greece's electricity grid?
In 2025, Greece's power sector carbon intensity was 324.4 gCO2/kWh, with total power sector emissions of 18.79 million metric tons of CO2.