Europe · country explainer · estimated data
Great Britain's power sector in numbers
Ember monthly data 2015-01 → 2026-07 · generation-weighted · CC-BY-4.0
Carbon intensity · 2026-07
207gCO₂e/kWh
#29 cleanest of 81 tracked (2025)
Renewables share
57.2%
clean incl. nuclear: 68.7%
Records
Cleanest: 156 (2026-04)
Dirtiest: 495 (2015-02)
The trend, year by year
| Year | gCO₂e/kWh | Δ | Renewables % | Generation TWh |
|---|---|---|---|---|
| 2025 | 215 | +2 | 54 | 281.2 |
| 2024 | 213 | -21 | 52.9 | 271.9 |
| 2023 | 234 | -23 | 48.3 | 277.1 |
| 2022 | 257 | -15 | 43.2 | 309.2 |
| 2021 | 272 | +22 | 41.1 | 290.9 |
| 2020 | 250 | -25 | 43.6 | 289.7 |
| 2019 | 275 | -21 | 36.9 | 302.6 |
| 2018 | 296 | -17 | 32.8 | 306.2 |
| 2017 | 313 | -36 | 29.4 | 313 |
| 2016 | 349 | -80 | 24 | 311 |
| 2015 | 429 | — | 23.5 | 312.1 |
See Great Britain on the globe. The terminal paints every tracked country's carbon intensity and renewables share worldwide — and the carbon story animates the whole decade.
Open the globe →Source: "Monthly electricity data, Ember" (CC-BY-4.0). Yearly figures are generation-weighted (Σ emissions ÷ Σ generation, complete years only). Monthly statistical data — estimated, not live measurement. Cite as "Voltcast Research, voltcast.com/research/countries/gb".
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