Electricity demand
National demand in GWh per day, with a 30-day forecast. The shaded band is the range the model expects 8 times out of 10.
Market data through Oct 25, 2026
Demand and forecast
- Observed
- Forecast (median)
- 80 % range (P10 to P90)
Next 30 days: the median runs from 216.5 to 253.4 GWh/day (mean 242.5). The 80 % range spans 211.1 to 265.1 GWh/day.
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| Date | P10 (GWh/day) | P50 (GWh/day) | P90 (GWh/day) |
|---|---|---|---|
| Monday, October 26, 2026 | 239.9 | 245.1 | 254.5 |
| Tuesday, October 27, 2026 | 242.1 | 248.2 | 256.7 |
| Wednesday, October 28, 2026 | 241.2 | 248.8 | 257.4 |
| Thursday, October 29, 2026 | 242.3 | 250.3 | 258.6 |
| Friday, October 30, 2026 | 244.1 | 250.9 | 261.5 |
| Saturday, October 31, 2026 | 230.5 | 239.8 | 246.1 |
| Sunday, November 1, 2026 | 211.1 | 216.5 | 224.9 |
| Monday, November 2, 2026 | 213.3 | 220.6 | 229.4 |
| Tuesday, November 3, 2026 | 238.7 | 245.6 | 254.4 |
| Wednesday, November 4, 2026 | 242.1 | 249.4 | 257.9 |
| Thursday, November 5, 2026 | 243.4 | 251.4 | 259.9 |
| Friday, November 6, 2026 | 245.6 | 252.6 | 263.9 |
| Saturday, November 7, 2026 | 234.0 | 241.1 | 249.7 |
| Sunday, November 8, 2026 | 214.6 | 219.7 | 227.7 |
| Monday, November 9, 2026 | 239.7 | 246.8 | 257.7 |
| Tuesday, November 10, 2026 | 242.0 | 249.4 | 259.4 |
| Wednesday, November 11, 2026 | 242.2 | 250.3 | 260.0 |
| Thursday, November 12, 2026 | 242.5 | 251.7 | 261.2 |
| Friday, November 13, 2026 | 244.1 | 252.8 | 264.2 |
| Saturday, November 14, 2026 | 230.8 | 241.5 | 247.8 |
| Sunday, November 15, 2026 | 211.7 | 217.6 | 225.7 |
| Monday, November 16, 2026 | 215.4 | 221.5 | 230.1 |
| Tuesday, November 17, 2026 | 239.8 | 247.3 | 255.8 |
| Wednesday, November 18, 2026 | 242.6 | 250.8 | 260.2 |
| Thursday, November 19, 2026 | 243.5 | 252.2 | 262.0 |
| Friday, November 20, 2026 | 245.0 | 253.4 | 265.1 |
| Saturday, November 21, 2026 | 233.3 | 241.9 | 249.4 |
| Sunday, November 22, 2026 | 214.2 | 219.7 | 227.8 |
| Monday, November 23, 2026 | 239.7 | 247.9 | 257.2 |
| Tuesday, November 24, 2026 | 241.6 | 250.7 | 259.6 |
What drives tomorrow's forecast
Contribution of each factor to the next-day median, in GWh
- Non-working day+3.8GWh/day
- Quarterly trend (28 vs. 91 days)+3.0GWh/day
- Time of year−1.6GWh/day
- Temperature over the last week−1.4GWh/day
- Day of the week−1.1GWh/day
- GWh/day
Weekly pattern
Average demand by day of week over the last 12 months
238
Mon
248
Tue
249
Wed
249
Thu
249
Fri
237
Sat
218
Sun