British Electricity Tracker

Tweets about the energy transition.

[British Electricity Tracker @myGridGB]

3x more wind and solar
... plus 6x more energy storage
... plus 3.2GW of new nuclear plants
... and bioenergy only as a backup

Means that 99% of our electricity can be fossil fuel free

More details in my book: https://t.co/d4ENpw56Q0

And tracked live: https://t.co/RyqAEJK6R7

[British Electricity Tracker @myGridGB]

British electricity mix at 8am on 22nd Sep 2026

🔥 Gas 47.1% Biomass 13.3%
🍃 Wind 11.6% Solar 2.2% Hydro 1.8%
⚛️ Nuclear 12.1%
🪫 Storage 0.0%
➡️Imports 11.8%

🔌 Generation 30GW
Carbon intensity 256 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 3am on 22nd Sep 2026

🔥 Gas 46.0% Biomass 13.7%
🍃 Wind 17.4% Solar 0.0% Hydro 1.4%
⚛️ Nuclear 15.7%
🪫 Storage 0.0%
➡️Imports 5.8%

🔌 Generation 23GW
Carbon intensity 253 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 11pm on 21st Sep 2026

🔥 Gas 46.6% Biomass 13.9%
🍃 Wind 15.7% Solar 0.0% Hydro 1.8%
⚛️ Nuclear 15.5%
🪫 Storage 0.0%
➡️Imports 6.5%

🔌 Generation 23GW
Carbon intensity 255 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 8pm on 21st Sep 2026

🔥 Gas 43.4% Biomass 14.2%
🍃 Wind 11.9% Solar 0.0% Hydro 1.7%
⚛️ Nuclear 11.5%
🔋 Storage 1.7%
➡️Imports 15.6%

🔌 Generation 31GW
Carbon intensity 243 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 6pm on 21st Sep 2026

🔥 Gas 43.4% Biomass 18.8%
🍃 Wind 10.8% Solar 2.6% Hydro 2.2%
⚛️ Nuclear 10.8%
🔋 Storage 1.4%
➡️Imports 10.1%

🔌 Generation 33GW
Carbon intensity 248 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 3pm on 21st Sep 2026

🔥 Gas 27.0% Biomass 10.4%
☀️ Wind 10.4% Solar 24.1% Hydro 1.0%
⚛️ Nuclear 10.2%
🪫 Storage 0.4%
➡️Imports 16.4%

🔌 Generation 34GW
Carbon intensity 171 gCO2e/kWh
Solar is producing more than wind

[British Electricity Tracker @myGridGB]

British electricity mix at 11am on 21st Sep 2026

🔥 Gas 21.1% Biomass 11.3%
☀️ Wind 10.4% Solar 26.9% Hydro 1.2%
⚛️ Nuclear 11.1%
🪫 Storage 0.0%
➡️Imports 17.9%

🔌 Generation 32GW
Carbon intensity 147 gCO2e/kWh
Solar is producing more than wind

[British Electricity Tracker @myGridGB]

British electricity mix at 8am on 21st Sep 2026

🔥 Gas 30.6% Biomass 18.6%
🍃 Wind 14.3% Solar 2.8% Hydro 2.8%
⚛️ Nuclear 12.0%
🪫 Storage 0.8%
➡️Imports 18.3%

🔌 Generation 29GW
Carbon intensity 196 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 3am on 21st Sep 2026

🔥 Gas 22.2% Biomass 14.6%
🍃 Wind 17.1% Solar 0.0% Hydro 1.9%
⚛️ Nuclear 15.3%
🪫 Storage 0.0%
➡️Imports 28.8%

🔌 Generation 22GW
Carbon intensity 158 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 11pm on 20th Sep 2026

🔥 Gas 24.3% Biomass 13.5%
🍃 Wind 25.8% Solar 0.0% Hydro 2.1%
⚛️ Nuclear 14.3%
🪫 Storage 0.0%
➡️Imports 20.0%

🔌 Generation 23GW
Carbon intensity 148 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 8pm on 20th Sep 2026

🔥 Gas 30.3% Biomass 14.0%
🍃 Wind 20.8% Solar 0.0% Hydro 1.8%
⚛️ Nuclear 12.2%
🪫 Storage 0.8%
➡️Imports 20.0%

🔌 Generation 27GW
Carbon intensity 183 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 6pm on 20th Sep 2026

🔥 Gas 29.6% Biomass 13.2%
🍃 Wind 22.5% Solar 3.8% Hydro 2.3%
⚛️ Nuclear 11.0%
🪫 Storage 1.0%
➡️Imports 16.5%

🔌 Generation 30GW
Carbon intensity 178 gCO2e/kWh
Target for 2030 is a 50-100 gCO2e/kWh annual average

[British Electricity Tracker @myGridGB]

British electricity mix at 3pm on 20th Sep 2026

🔥 Gas 9.4% Biomass 7.7%
☀️ Wind 30.4% Solar 36.4% Hydro 1.0%
⚛️ Nuclear 11.7%
🪫 Storage 0.0%
➡️Imports 3.3%

🔌 Generation 28GW
🌍Carbon intensity 66 gCO2e/kWh
Gas use very low

[British Electricity Tracker @myGridGB]

British electricity mix at 11am on 20th Sep 2026

🔥 Gas 8.1% Biomass 3.9%
🍃 Wind 45.7% Solar 30.4% Hydro 0.9%
⚛️ Nuclear 11.1%
🪫 Storage 0.0%

🔌 Generation 30GW
⬅️ Exports 2.8 GW
🌍Carbon intensity 48 gCO2e/kWh
Gas use very low

[British Electricity Tracker @myGridGB]

British electricity mix at 8am on 20th Sep 2026

🔥 Gas 14.9% Biomass 5.6%
🍃 Wind 62.2% Solar 2.6% Hydro 1.4%
⚛️ Nuclear 13.3%
🪫 Storage 0.0%

🔌 Generation 25GW
⬅️ Exports 3.4 GW
🌍Carbon intensity 52 gCO2e/kWh
Carbon intensity is below the 2030 target of 100 gCO2e/kWh

[British Electricity Tracker @myGridGB]

British electricity mix at 3am on 20th Sep 2026

🔥 Gas 15.2% Biomass 6.4%
🍃 Wind 63.5% Solar 0.0% Hydro 1.3%
⚛️ Nuclear 13.6%
🪫 Storage 0.0%

🔌 Generation 24GW
⬅️ Exports 5.6 GW
🌍Carbon intensity 59 gCO2e/kWh
Carbon intensity is below the 2030 target of 100 gCO2e/kWh

[British Electricity Tracker @myGridGB]

British electricity mix at 11pm on 19th Sep 2026

🔥 Gas 14.5% Biomass 6.4%
🍃 Wind 63.8% Solar 0.0% Hydro 1.5%
⚛️ Nuclear 13.8%
🪫 Storage 0.0%

🔌 Generation 24GW
⬅️ Exports 3.8 GW
🌍Carbon intensity 60 gCO2e/kWh
Carbon intensity is below the 2030 target of 100 gCO2e/kWh

[British Electricity Tracker @myGridGB]

British electricity mix at 8pm on 19th Sep 2026

🔥 Gas 21.2% Biomass 4.9%
🍃 Wind 52.1% Solar 0.0% Hydro 1.9%
⚛️ Nuclear 12.5%
🔋 Storage 3.1%
➡️Imports 4.3%

🔌 Generation 27GW
Carbon intensity 109 gCO2e/kWh
Wind is covering more than half of generation

[British Electricity Tracker @myGridGB]

British electricity mix at 6pm on 19th Sep 2026

🔥 Gas 24.2% Biomass 8.5%
🍃 Wind 49.6% Solar 1.9% Hydro 1.5%
⚛️ Nuclear 11.5%
🔋 Storage 2.8%

🔌 Generation 29GW
⬅️ Exports 1.5 GW
Carbon intensity 125 gCO2e/kWh
Britain is a net exporter this half hour

[British Electricity Tracker @myGridGB]

British electricity mix at 3pm on 19th Sep 2026

🔥 Gas 13.1% Biomass 7.0%
🍃 Wind 47.7% Solar 19.5% Hydro 0.9%
⚛️ Nuclear 11.8%
🪫 Storage 0.0%

🔌 Generation 28GW
⬅️ Exports 1.8 GW
🌍Carbon intensity 91 gCO2e/kWh
Carbon intensity is below the 2030 target of 100 gCO2e/kWh