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Data as of 2026-07
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Built 2026-09-19 (19 September 2026)

United Kingdom Electricity: Generation Mix, Demand and Emissions

The United Kingdom generated 295 TWh of electricity in 2025, according to Ember. Gas was the largest source at 31.2%, followed by wind (29.2%) and bioenergy (13.9%). Demand was 313 TWh and each kWh generated emitted 222 gCO2/kWh. These are annual statistics for 2025, with monthly figures through July 2026; they are compiled from national sources and are not real time.

Key Facts

  • The United Kingdom generated 295 TWh of electricity in 2025.
  • Gas supplied 31.2% of the United Kingdom's electricity in 2025.
  • Wind supplied 29.2% of the United Kingdom's electricity in 2025.
  • Bioenergy supplied 13.9% of the United Kingdom's electricity in 2025.
  • Low carbon sources (nuclear and renewables) supplied 63.8% of the United Kingdom's generation in 2025.
  • The carbon intensity of the United Kingdom's electricity was 222 gCO2/kWh in 2025.
  • The United Kingdom's carbon intensity in 2025 was 68% lower than in 1985, when it was 694 gCO2/kWh.
  • The United Kingdom had the 15th highest electricity demand among the 93 countries with Ember data for 2025.

Key Figures, 2025

MeasureValueAs of / source
Total generation295 TWh2025 · Ember
Electricity demand313 TWh2025 · Ember
Demand per person4.62 MWh2025 · Ember
Net imports17.9 TWh2025 · Ember
Carbon intensity222 gCO2/kWh2025 · Ember
Power sector emissions65.5 MtCO22025 · Ember
Demand rank (countries with 2025 data)15 of 932025 · Ember

Generation Mix, 2025

SourceGenerationShare
Gas 92.0 TWh 31.2%
Wind 86.2 TWh 29.2%
Bioenergy 40.9 TWh 13.9%
Nuclear 36.4 TWh 12.3%
Solar 19.4 TWh 6.6%
Other fossil 12.8 TWh 4.3%
Hydro 5.42 TWh 1.8%
Coal 1.90 TWh 0.6%

Year by Year

Ember annual statistics, 1985 to 2025
United Kingdom electricity generation by source, 1985 to 2025 United Kingdom's electricity generation by main source from 1985 to 2025, in TWh. In 2025 the largest sources were gas at 92.0 TWh, wind at 86.2 TWh, bioenergy at 40.9 TWh, nuclear at 36.4 TWh, solar at 19.4 TWh. 0 50 100 150 200 198519901995200020052010201520202025
United Kingdom's electricity generation by main source from 1985 to 2025, in TWh. In 2025 the largest sources were gas at 92.0 TWh, wind at 86.2 TWh, bioenergy at 40.9 TWh, nuclear at 36.4 TWh, solar at 19.4 TWh.
Annual statistics through 2025, TWh
United Kingdom electricity generation by source, 1985 to 2025
YearGasWindBioenergyNuclearSolar
19852.90 TWhn/a0 TWh61.1 TWh0 TWh
19861.74 TWhn/a0 TWh59.1 TWh0 TWh
19874.53 TWhn/a0 TWh55.2 TWh0 TWh
19884.78 TWhn/a0 TWh63.5 TWh0 TWh
19894.95 TWhn/a0 TWh71.7 TWh0 TWh
19905.00 TWh10.0 GWh600 GWh65.8 TWh0 TWh
19915.82 TWh10.0 GWh690 GWh70.5 TWh0 TWh
199212.6 TWh30.0 GWh930 GWh76.8 TWh0 TWh
199334.0 TWh220 GWh1.20 TWh89.4 TWh0 TWh
199453.3 TWh340 GWh1.52 TWh88.3 TWh0 TWh
199563.7 TWh390 GWh1.64 TWh89.0 TWh0 TWh
199684.1 TWh490 GWh1.80 TWh94.7 TWh0 TWh
1997111 TWh670 GWh2.11 TWh98.2 TWh0 TWh
1998118 TWh880 GWh2.65 TWh99.5 TWh0 TWh
1999143 TWh850 GWh3.43 TWh95.1 TWh0 TWh
2000148 TWh940 GWh3.88 TWh85.1 TWh0 TWh
2001142 TWh960 GWh4.53 TWh90.1 TWh0 TWh
2002152 TWh1.25 TWh5.08 TWh87.9 TWh0 TWh
2003149 TWh1.29 TWh6.17 TWh88.7 TWh0 TWh
2004157 TWh1.94 TWh7.36 TWh80.0 TWh0 TWh
2005153 TWh2.90 TWh9.10 TWh81.6 TWh10.0 GWh
2006141 TWh4.22 TWh9.28 TWh75.5 TWh10.0 GWh
2007166 TWh5.27 TWh9.32 TWh63.0 TWh10.0 GWh
2008176 TWh7.13 TWh9.65 TWh52.5 TWh20.0 GWh
2009167 TWh9.28 TWh10.7 TWh69.1 TWh20.0 GWh
2010176 TWh10.3 TWh12.3 TWh62.1 TWh40.0 GWh
2011147 TWh16.0 TWh13.3 TWh69.0 TWh240 GWh
2012100 TWh19.8 TWh14.7 TWh70.4 TWh1.35 TWh
201395.8 TWh28.4 TWh18.1 TWh70.6 TWh2.01 TWh
2014101 TWh32.0 TWh22.6 TWh63.8 TWh4.05 TWh
201599.9 TWh40.3 TWh29.3 TWh70.3 TWh7.53 TWh
2016143 TWh37.2 TWh30.1 TWh71.7 TWh10.4 TWh
2017137 TWh49.7 TWh31.9 TWh70.3 TWh11.5 TWh
2018131 TWh56.9 TWh35.1 TWh65.1 TWh12.7 TWh
2019133 TWh63.8 TWh37.5 TWh56.2 TWh12.4 TWh
2020112 TWh75.6 TWh38.6 TWh50.2 TWh12.6 TWh
2021123 TWh64.9 TWh40.0 TWh46.1 TWh12.1 TWh
2022125 TWh80.2 TWh35.9 TWh47.4 TWh13.3 TWh
2023102 TWh82.2 TWh34.1 TWh40.6 TWh13.9 TWh
202486.3 TWh83.3 TWh40.1 TWh40.6 TWh14.8 TWh
202592.0 TWh86.2 TWh40.9 TWh36.4 TWh19.4 TWh
YearGenerationDemandCarbon intensity
2025 295 TWh 313 TWh 222 gCO2/kWh
2024 284 TWh 306 TWh 216 gCO2/kWh
2023 293 TWh 308 TWh 236 gCO2/kWh
2022 325 TWh 326 TWh 255 gCO2/kWh
2021 308 TWh 326 TWh 267 gCO2/kWh
2020 310 TWh 324 TWh 243 gCO2/kWh
2019 327 TWh 348 TWh 268 gCO2/kWh
2018 334 TWh 353 TWh 286 gCO2/kWh
2017 338 TWh 353 TWh 302 gCO2/kWh
2016 339 TWh 357 TWh 333 gCO2/kWh

Full year by year history for United Kingdom, 1985 to 2025

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.

Month by Month

Ember monthly statistics through July 2026
United Kingdom monthly electricity demand and generation, August 2024 to July 2026 United Kingdom's electricity demand in July 2026 was 22.8 TWh, and generation from the sources Ember reports was 20.6 TWh. Carbon intensity that month was 207 gCO2/kWh. 0 10 20 30 40 2024-082025-022025-082026-02
United Kingdom's electricity demand in July 2026 was 22.8 TWh, and generation from the sources Ember reports was 20.6 TWh. Carbon intensity that month was 207 gCO2/kWh.
Monthly statistics through July 2026, TWh
United Kingdom monthly electricity demand and generation, August 2024 to July 2026
MonthDemandGeneration
2024-0822.2 TWh21.1 TWh
2024-0922.8 TWh20.6 TWh
2024-1025.4 TWh23.2 TWh
2024-1127.0 TWh25.1 TWh
2024-1228.1 TWh26.3 TWh
2025-0130.8 TWh28.7 TWh
2025-0227.2 TWh25.8 TWh
2025-0325.9 TWh23.7 TWh
2025-0422.9 TWh20.9 TWh
2025-0522.6 TWh21.0 TWh
2025-0622.5 TWh21.3 TWh
2025-0722.5 TWh20.7 TWh
2025-0821.8 TWh20.2 TWh
2025-0922.8 TWh21.6 TWh
2025-1025.4 TWh23.9 TWh
2025-1127.7 TWh26.8 TWh
2025-1228.1 TWh26.4 TWh
2026-0130.7 TWh29.5 TWh
2026-0225.9 TWh25.7 TWh
2026-0326.6 TWh24.8 TWh
2026-0423.4 TWh22.3 TWh
2026-0522.9 TWh20.8 TWh
2026-0622.4 TWh21.1 TWh
2026-0722.8 TWh20.6 TWh

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of July 2026.

United Kingdom Electricity FAQ

What is the main source of electricity in the United Kingdom?

Gas was the largest source of electricity in the United Kingdom in 2025, supplying 31.2% of generation, followed by wind (29.2%) and bioenergy (13.9%). Figures are Ember annual statistics.

How much electricity does the United Kingdom use?

The United Kingdom used 313 TWh of electricity in 2025, about 4.62 MWh per person.

How clean is the United Kingdom's electricity?

Generating a kilowatt hour of electricity in the United Kingdom emitted 222 gCO2/kWh in 2025, and low carbon sources supplied 63.8% of generation. That is 52% below the world average of 459 gCO2/kWh.

Does the United Kingdom import electricity?

Yes. The United Kingdom imported 17.9 TWh more electricity than it exported in 2025.