Europe · country explainer · estimated data
Great Britain's power sector in numbers
Ember monthly data 2015-01 → 2026-06 · generation-weighted · CC-BY-4.0
Carbon intensity · 2026-06
208gCO₂e/kWh
#28 cleanest of 80 tracked (2025)
Renewables share
54%
clean incl. nuclear: 65.5%
Records
Cleanest: 145 (2026-04)
Dirtiest: 508 (2015-02)
The trend, year by year
| Year | gCO₂e/kWh | Δ | Renewables % | Generation TWh |
|---|---|---|---|---|
| 2025 | 205 | +2 | 51.9 | 241.5 |
| 2024 | 203 | -22 | 50.3 | 233.2 |
| 2023 | 225 | -27 | 45.4 | 238.1 |
| 2022 | 252 | -14 | 39.8 | 270.6 |
| 2021 | 266 | +31 | 37.6 | 252.5 |
| 2020 | 235 | -30 | 41.8 | 255 |
| 2019 | 265 | -25 | 34.9 | 267.3 |
| 2018 | 290 | -20 | 30.7 | 276.9 |
| 2017 | 310 | -36 | 26.7 | 281.4 |
| 2016 | 346 | -85 | 21.7 | 284.7 |
| 2015 | 431 | — | 21.5 | 286.8 |
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".