Monthly report · day-ahead marketElectricity prices in Great Britain, August 2026
August 2026
Monthly average12.83£128.30/MWh
Cheapest day5 Aug8.89p/kWh
Most expensive day17 Aug15.54p/kWh
Hours below zero0h
In August 2026, electricity on the day-ahead market in Great Britain cost an average of 12.83p/kWh (£128.30/MWh).
That is 19% more than in July 2026 and 81% more than in August 2025.
The cheapest day was Wednesday, 5 August 2026, averaging 8.89p/kWh; the most expensive was Monday, 17 August 2026 at 15.54p/kWh.
The lowest price came on 8 August 2026 at 14:00 (0.17p/kWh), the highest on 13 August 2026 at 19:00 (26.28p/kWh).
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 8% cheaper than weekdays.
Compared with
- Previous month (July 2026)
- 10.74 ▲
- Same month last year
- 7.07 ▲
- Weekdays
- 13.18
- Weekends
- 12.09
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 · 12:00–15:00
All days
| Day | Average | Lowest | Highest | Hours < 0 |
|---|---|---|---|---|
| 1 Aug Saturday | 10.99 | 5.00 14:00 | 15.19 21:00 | – |
| 2 Aug Sunday | 13.01 | 10.98 11:00 | 15.76 20:00 | – |
| 3 Aug Monday | 12.95 | 9.99 13:00 | 17.02 19:00 | – |
| 4 Aug Tuesday | 13.08 | 10.75 14:00 | 16.14 20:00 | – |
| 5 Aug Wednesday | 8.89 | 0.18 14:00 | 13.77 21:00 | – |
| 6 Aug Thursday | 10.80 | 6.83 10:00 | 15.29 20:00 | – |
| 7 Aug Friday | 11.25 | 7.03 13:00 | 14.68 19:00 | – |
| 8 Aug Saturday | 9.08 | 0.17 14:00 | 14.67 19:00 | – |
| 9 Aug Sunday | 9.23 | 2.39 13:00 | 14.78 20:00 | – |
| 10 Aug Monday | 12.43 | 10.21 15:00 | 16.45 20:00 | – |
| 11 Aug Tuesday | 12.48 | 9.57 14:00 | 15.96 19:00 | – |
| 12 Aug Wednesday | 13.37 | 9.31 11:00 | 21.21 19:00 | – |
| 13 Aug Thursday | 15.04 | 11.23 14:00 | 26.28 19:00 | – |
| 14 Aug Friday | 14.52 | 11.19 14:00 | 23.46 19:00 | – |
| 15 Aug Saturday | 12.49 | 7.76 14:00 | 16.24 19:00 | – |
| 16 Aug Sunday | 13.84 | 10.93 14:00 | 17.42 20:00 | – |
| 17 Aug Monday | 15.54 | 13.79 12:00 | 19.23 19:00 | – |
| 18 Aug Tuesday | 14.01 | 12.00 12:00 | 17.37 19:00 | – |
| 19 Aug Wednesday | 14.36 | 12.01 13:00 | 18.77 19:00 | – |
| 20 Aug Thursday | 14.15 | 11.73 15:00 | 17.26 18:00 | – |
| 21 Aug Friday | 14.36 | 12.50 11:00 | 17.05 20:00 | – |
| 22 Aug Saturday | 12.32 | 8.80 09:00 | 16.11 19:00 | – |
| 23 Aug Sunday | 13.56 | 11.60 06:00 | 16.81 19:00 | – |
| 24 Aug Monday | 14.34 | 11.73 14:00 | 18.19 19:00 | – |
| 25 Aug Tuesday | 13.11 | 8.81 13:00 | 17.58 19:00 | – |
| 26 Aug Wednesday | 14.41 | 12.00 13:00 | 17.99 18:00 | – |
| 27 Aug Thursday | 14.09 | 11.86 02:00 | 17.70 18:00 | – |
| 28 Aug Friday | 13.83 | 11.38 15:00 | 16.10 07:00 | – |
| 29 Aug Saturday | 13.07 | 9.16 04:00 | 16.48 18:00 | – |
| 30 Aug Sunday | 13.31 | 11.22 04:00 | 16.26 19:00 | – |
| 31 Aug Monday | 9.82 | 0.24 14:00 | 16.90 19:00 | – |
p/kWh · Today · Methodology