Monthly report · day-ahead marketElectricity prices in Great Britain, August 2025
In August 2025, electricity on the day-ahead market in Great Britain cost an average of 7.16p/kWh (£71.58/MWh).
That is 10% less than in July 2025 and 16% more than in August 2024.
The cheapest day was Sunday, 31 August 2025, averaging 1.44p/kWh; the most expensive was Wednesday, 13 August 2025 at 9.14p/kWh.
The lowest price came on 9 August 2025 at 13:00 (-1.07p/kWh), the highest on 13 August 2025 at 19:00 (13.69p/kWh). In total, prices were below zero for 23 hours.
On an average day, the cheapest three hours were 12:00–15:00. Weekends were on average 13% cheaper than weekdays.
Compared with
- Previous month (July 2025)
- 7.94 ▼
- Same month last year
- 6.16 ▲
- Weekdays
- 7.47
- Weekends
- 6.50
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 Friday | 7.62 | 5.01 14:00 | 9.73 20:00 | – |
| 2 Aug Saturday | 7.83 | 6.90 08:00 | 10.22 20:00 | – |
| 3 Aug Sunday | 5.19 | 0.52 13:00 | 9.89 21:00 | – |
| 4 Aug Monday | 4.96 | 0.55 14:00 | 8.48 23:00 | – |
| 5 Aug Tuesday | 1.60 | -0.94 12:00 | 7.78 21:00 | 9 |
| 6 Aug Wednesday | 6.85 | 3.43 03:00 | 10.07 19:00 | – |
| 7 Aug Thursday | 5.40 | 0.95 12:00 | 10.27 20:00 | – |
| 8 Aug Friday | 6.01 | 0.57 12:00 | 10.03 19:00 | – |
| 9 Aug Saturday | 3.80 | -1.07 13:00 | 9.34 19:00 | 6 |
| 10 Aug Sunday | 7.86 | 4.46 14:00 | 10.16 20:00 | – |
| 11 Aug Monday | 8.42 | 6.76 02:00 | 13.23 19:00 | – |
| 12 Aug Tuesday | 8.57 | 6.76 13:00 | 12.58 19:00 | – |
| 13 Aug Wednesday | 9.14 | 7.04 13:00 | 13.69 19:00 | – |
| 14 Aug Thursday | 8.84 | 6.85 13:00 | 13.30 19:00 | – |
| 15 Aug Friday | 7.99 | 6.84 14:00 | 10.36 19:00 | – |
| 16 Aug Saturday | 7.75 | 6.54 14:00 | 9.65 19:00 | – |
| 17 Aug Sunday | 7.65 | 6.14 09:00 | 10.37 19:00 | – |
| 18 Aug Monday | 8.54 | 6.96 15:00 | 12.70 19:00 | – |
| 19 Aug Tuesday | 7.89 | 6.52 15:00 | 9.72 19:00 | – |
| 20 Aug Wednesday | 7.85 | 6.68 02:00 | 9.97 19:00 | – |
| 21 Aug Thursday | 8.01 | 7.21 15:00 | 9.88 19:00 | – |
| 22 Aug Friday | 8.24 | 7.28 03:00 | 10.31 19:00 | – |
| 23 Aug Saturday | 8.51 | 7.42 04:00 | 10.32 19:00 | – |
| 24 Aug Sunday | 8.43 | 7.47 11:00 | 10.43 19:00 | – |
| 25 Aug Monday | 7.52 | 1.78 13:00 | 10.39 19:00 | – |
| 26 Aug Tuesday | 8.45 | 6.58 13:00 | 11.72 19:00 | – |
| 27 Aug Wednesday | 8.45 | 6.72 14:00 | 10.35 20:00 | – |
| 28 Aug Thursday | 8.30 | 6.85 16:00 | 10.04 07:00 | – |
| 29 Aug Friday | 8.25 | 6.76 14:00 | 10.13 19:00 | – |
| 30 Aug Saturday | 6.53 | 1.50 15:00 | 8.80 23:00 | – |
| 31 Aug Sunday | 1.44 | -0.26 16:00 | 6.50 21:00 | 8 |
p/kWh · Today · Methodology