Electricity prices in Great Britain, September 2024
In September 2024, electricity on the day-ahead market in Great Britain cost an average of 7.69p/kWh (£76.87/MWh).
That is 30% more than in August 2024.
The cheapest day was Tuesday, 10 September 2024, averaging 3.41p/kWh; the most expensive was Tuesday, 3 September 2024 at 9.35p/kWh.
The lowest price came on 27 September 2024 at 04:00 (-0.38p/kWh), the highest on 23 September 2024 at 18:00 (13.01p/kWh). In total, prices were below zero for 5 hours.
On an average day, the cheapest three hours were 02:00–05:00. Weekends were on average 2% cheaper than weekdays.
Compared with
- Previous month (August 2024)
- 5.93 ▲
- Weekdays
- 7.73
- Weekends
- 7.58
Wholesale price · p/kWh
Price by day
Daily wholesale average; the line marks the monthly average.
p/kWh
The average day
Average wholesale price for each hour of the day this month.
p/kWh · 02:00–05:00
All days
| Day | Average | Lowest | Highest | Hours < 0 |
|---|---|---|---|---|
| 1 Sept Sunday | 5.49 | 1.88 11:00 | 10.74 19:00 | – |
| 2 Sept Monday | 9.00 | 7.41 13:00 | 11.79 18:00 | – |
| 3 Sept Tuesday | 9.35 | 7.51 13:00 | 12.41 19:00 | – |
| 4 Sept Wednesday | 9.15 | 7.64 03:00 | 11.90 18:00 | – |
| 5 Sept Thursday | 7.98 | 6.05 15:00 | 9.87 19:00 | – |
| 6 Sept Friday | 7.47 | 4.94 03:00 | 9.97 19:00 | – |
| 7 Sept Saturday | 8.36 | 7.21 03:00 | 11.02 18:00 | – |
| 8 Sept Sunday | 8.30 | 5.90 15:00 | 10.60 19:00 | – |
| 9 Sept Monday | 8.15 | 5.75 22:00 | 11.42 18:00 | – |
| 10 Sept Tuesday | 3.41 | -0.08 04:00 | 9.70 20:00 | 2 |
| 11 Sept Wednesday | 5.92 | 1.86 03:00 | 11.33 19:00 | – |
| 12 Sept Thursday | 7.92 | 6.05 01:00 | 11.17 18:00 | – |
| 13 Sept Friday | 8.27 | 6.75 12:00 | 10.89 07:00 | – |
| 14 Sept Saturday | 6.24 | 0.48 13:00 | 9.88 18:00 | – |
| 15 Sept Sunday | 7.63 | 5.18 02:00 | 11.37 18:00 | – |
| 16 Sept Monday | 8.37 | 6.74 13:00 | 11.70 07:00 | – |
| 17 Sept Tuesday | 8.03 | 6.85 14:00 | 10.76 18:00 | – |
| 18 Sept Wednesday | 7.81 | 6.70 14:00 | 10.66 18:00 | – |
| 19 Sept Thursday | 7.97 | 6.57 14:00 | 10.84 18:00 | – |
| 20 Sept Friday | 8.07 | 6.57 14:00 | 10.85 18:00 | – |
| 21 Sept Saturday | 7.66 | 6.28 14:00 | 10.63 18:00 | – |
| 22 Sept Sunday | 8.14 | 6.68 15:00 | 11.33 18:00 | – |
| 23 Sept Monday | 8.98 | 7.01 04:00 | 13.01 18:00 | – |
| 24 Sept Tuesday | 8.17 | 6.50 22:00 | 11.75 18:00 | – |
| 25 Sept Wednesday | 8.61 | 6.93 03:00 | 12.75 18:00 | – |
| 26 Sept Thursday | 7.59 | 4.60 04:00 | 10.28 19:00 | – |
| 27 Sept Friday | 5.43 | -0.38 04:00 | 10.70 19:00 | 3 |
| 28 Sept Saturday | 7.90 | 5.18 03:00 | 11.57 18:00 | – |
| 29 Sept Sunday | 8.48 | 4.19 22:00 | 11.33 18:00 | – |
| 30 Sept Monday | 6.77 | 0.25 03:00 | 11.10 19:00 | – |
p/kWh · Today · Methodology