| Mth-Yr | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 46.2% | 31.1% | 20.4% | 1.1% | -0.4% | 1.0% | 0.0% | 0.1% | 0.0% | 0.0% | 0.4% | 100.0% |
| 2010 | 48.4% | 31.8% | 18.0% | 0.7% | -0.3% | 1.1% | 0.0% | 0.0% | 0.0% | 0.0% | 0.2% | 100.0% |
| 2011 | 40.6% | 33.1% | 20.7% | 1.2% | -0.3% | 3.1% | 0.0% | 0.0% | 0.0% | 0.0% | 1.5% | 100.0% |
| 2012 | 26.5% | 43.8% | 21.1% | 1.0% | -0.3% | 4.0% | 0.0% | 0.0% | 0.0% | 0.7% | 3.2% | 100.0% |
| 2013 | 25.9% | 40.7% | 21.3% | 0.9% | -0.3% | 6.0% | 0.0% | 0.0% | 0.0% | 1.2% | 4.2% | 100.0% |
| 2014 | 29.5% | 32.9% | 20.3% | 1.3% | -0.3% | 7.2% | 0.0% | 0.0% | 0.0% | 2.5% | 6.6% | 100.0% |
| 2015 | 29.8% | 26.3% | 23.2% | 1.4% | -0.3% | 8.3% | 0.0% | 0.0% | 0.0% | 4.0% | 7.3% | 100.0% |
| 2016 | 45.8% | 10.1% | 24.0% | 1.2% | -0.4% | 7.6% | 0.0% | 0.0% | 0.0% | 5.1% | 6.4% | 100.0% |
| 2017 | 44.0% | 7.6% | 24.2% | 1.5% | -0.4% | 11.9% | 0.0% | 0.0% | 0.1% | 5.3% | 5.8% | 100.0% |
| 2018 | 42.8% | 5.7% | 22.5% | 1.2% | -0.3% | 14.6% | 0.0% | 0.0% | 0.3% | 6.0% | 7.2% | 100.0% |
| 2019 | 43.7% | 2.3% | 20.1% | 1.4% | -0.2% | 17.7% | 0.0% | 0.0% | 0.3% | 6.6% | 8.1% | 100.0% |
| 2020 | 39.0% | 1.8% | 19.5% | 1.8% | -0.2% | 22.5% | 0.1% | 0.0% | 0.6% | 7.4% | 7.6% | 100.0% |
| 2021 | 42.3% | 2.0% | 17.1% | 1.3% | -0.2% | 19.3% | 0.1% | 0.0% | 0.7% | 7.5% | 9.8% | 100.0% |
| 2022 | 46.7% | 1.8% | 18.8% | 1.4% | -0.3% | 25.9% | 0.1% | 0.0% | 1.1% | 6.3% | -1.8% | 100.0% |
| 2023 | 37.2% | 1.2% | 16.4% | 1.4% | -0.2% | 27.1% | 0.1% | 0.0% | 1.1% | 5.7% | 10.0% | 100.0% |
| 2024 | 30.7% | 0.7% | 16.2% | 1.5% | -0.3% | 27.7% | 0.1% | 0.0% | 1.4% | 7.9% | 14.0% | 100.0% |
| 2025 | 32.6% | 0.0% | 14.4% | 1.4% | -0.2% | 29.0% | 0.1% | 0.0% | 2.0% | 8.4% | 12.3% | 100.0% |
| 2026 | 29.9% | 0.0% | 13.9% | 1.5% | -0.2% | 32.9% | 0.1% | 0.0% | 2.5% | 8.0% | 11.5% | 100.0% |