The week on the grid
Each finished week in one place: how clean electricity was, what it traded for and how much renewable output was turned down.
From 2 November to 8 November 2026, renewables averaged 31% of electricity, carbon intensity averaged 202 gCO₂/kWh and wholesale prices never went negative. Generators were paid £709,610 to switch off 8,516 MWh of renewable output. Figures as compiled at 08:30 GMT on 11 November 2026.
2 November to 8 November 2026
Renewable share
31%
28% lower than the week before
37% low carbon, including nuclear
Average carbon intensity
202gCO₂/kWh
36% higher than the week before
Lowest 96 at 03:00 on 2 Nov
Average wholesale price
20.51p/kWh
8% higher than the week before
Peaked at 28.95p at 15:30 on 6 Nov
Negative-price half hours
0
Lowest price 15.14p at 03:30 on 5 Nov
Renewables turned down
8,516MWh
98% lower than the week before
£709,610 paid to switch off
Average generation mix
Each source's share, averaged across the week's half hours. Includes embedded solar and wind.
| Source | Average share |
|---|---|
| Gas | 46.5% |
| Wind | 18.1% |
| Nuclear | 14.4% |
| Biomass | 9.0% |
| Imports | 5.6% |
| Solar | 2.3% |
| Other | 2.2% |
| Hydro | 1.7% |
Other weeks
| Week | Renewable | Avg gCO₂/kWh | Negative-price half hours |
|---|---|---|---|
| 2 November to 8 November 2026 | 31% | 202 | 0 |
| 26 October to 1 November 2026 | 43% | 149 | 0 |
| 19 October to 25 October 2026 | 54% | 100 | 7 |
| 12 October to 18 October 2026 | 55% | 98 | 0 |
| 5 October to 11 October 2026 | 53% | 109 | 0 |
| 28 September to 4 October 2026 | 49% | 132 | 0 |
| 21 September to 27 September 2026 | 46% | 136 | 3 |
| 14 September to 20 September 2026 | 63% | 87 | 33 |
| 7 September to 13 September 2026 | 54% | 109 | 8 |
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