Monthly report · day-ahead marketElectricity prices in Great Britain, May 2025
In May 2025, electricity on the day-ahead market in Great Britain cost an average of 6.93p/kWh (£69.28/MWh).
That is 10% less than in April 2025 and 3% less than in May 2024.
The cheapest day was Sunday, 25 May 2025, averaging 0.13p/kWh; the most expensive was Friday, 23 May 2025 at 8.86p/kWh.
The lowest price came on 25 May 2025 at 12:00 (-3.53p/kWh), the highest on 20 May 2025 at 19:00 (11.48p/kWh). In total, prices were below zero for 26 hours.
On an average day, the cheapest three hours were 13:00–16:00. Weekends were on average 29% cheaper than weekdays.
Compared with
- Previous month (April 2025)
- 7.70 ▼
- Same month last year
- 7.11 ▼
- Weekdays
- 7.56
- Weekends
- 5.37
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 · 13:00–16:00
All days
| Day | Average | Lowest | Highest | Hours < 0 |
|---|---|---|---|---|
| 1 May Thursday | 7.73 | 5.83 14:00 | 10.09 19:00 | – |
| 2 May Friday | 7.53 | 5.70 03:00 | 9.91 08:00 | – |
| 3 May Saturday | 5.26 | 0.28 14:00 | 7.94 20:00 | – |
| 4 May Sunday | 3.67 | 0.61 10:00 | 9.50 19:00 | – |
| 5 May Monday | 7.78 | 6.34 15:00 | 9.88 20:00 | – |
| 6 May Tuesday | 8.25 | 6.05 15:00 | 10.93 19:00 | – |
| 7 May Wednesday | 8.40 | 6.93 13:00 | 11.36 19:00 | – |
| 8 May Thursday | 8.48 | 6.75 14:00 | 11.29 19:00 | – |
| 9 May Friday | 8.37 | 6.60 14:00 | 11.25 06:00 | – |
| 10 May Saturday | 6.84 | 1.15 14:00 | 10.41 19:00 | – |
| 11 May Sunday | 5.26 | 0.36 14:00 | 9.83 19:00 | – |
| 12 May Monday | 7.91 | 5.99 15:00 | 10.05 19:00 | – |
| 13 May Tuesday | 8.20 | 6.71 14:00 | 10.88 20:00 | – |
| 14 May Wednesday | 7.85 | 6.15 14:00 | 9.98 20:00 | – |
| 15 May Thursday | 8.01 | 6.31 02:00 | 10.20 20:00 | – |
| 16 May Friday | 7.42 | 4.35 15:00 | 9.75 21:00 | – |
| 17 May Saturday | 7.20 | 2.90 14:00 | 9.79 20:00 | – |
| 18 May Sunday | 7.73 | 4.40 14:00 | 10.08 20:00 | – |
| 19 May Monday | 8.60 | 6.86 13:00 | 11.43 20:00 | – |
| 20 May Tuesday | 8.39 | 6.99 12:00 | 11.48 19:00 | – |
| 21 May Wednesday | 8.60 | 6.28 15:00 | 10.46 20:00 | – |
| 22 May Thursday | 8.64 | 7.05 04:00 | 10.76 20:00 | – |
| 23 May Friday | 8.86 | 7.37 15:00 | 11.00 19:00 | – |
| 24 May Saturday | 6.55 | 2.91 13:00 | 10.28 18:00 | – |
| 25 May Sunday | 0.13 | -3.53 12:00 | 5.65 21:00 | 17 |
| 26 May Monday | 2.62 | -0.04 12:00 | 9.23 20:00 | 4 |
| 27 May Tuesday | 6.03 | 1.51 02:00 | 10.98 19:00 | – |
| 28 May Wednesday | 7.99 | 4.37 03:00 | 11.23 20:00 | – |
| 29 May Thursday | 4.84 | 0.02 14:00 | 8.79 23:00 | – |
| 30 May Friday | 5.93 | 2.50 03:00 | 11.16 20:00 | – |
| 31 May Saturday | 5.72 | -0.81 12:00 | 9.56 21:00 | 5 |
p/kWh · Today · Methodology