Electricity prices Great Britain, 31 August 2026
31 August 2026 · Consumer price including taxes and charges.
Great Britain has no single public hourly price for households. We show Octopus Agile half-hourly prices (one supplier's dynamic tariff, inc. VAT), averaged over its 14 regions. The Ofgem price cap below applies to standard tariffs.
Average
22.0p/kWh
−24% vs. yesterday · −26% vs. 7-day average
Lowest
-1.2p/kWh
Highest
45.3p/kWh
Hours with negative prices
2
Cheapest hours
- 13:00 · -0.9p/kWh
- 14:00 · -1.2p/kWh
- 15:00 · 0.5p/kWh
Best time to run
Washing machine (2 h)
13:00–15:00, average -1.0p/kWh
Dishwasher (3 h)
13:00–16:00, average -0.5p/kWh
Electric car (4 h)
12:00–16:00, average -0.3p/kWh
Hourly prices
The average household tariff in the United Kingdom is 33.7p/kWh (all taxes and fixed charges included, Oct–Dec 2026).
Last 7 days, hour by hour
25 Aug26 Aug27 Aug28 Aug29 Aug30 Aug31 Aug00:0003:0006:0009:0012:0015:0018:0021:00
Previous days
| Date | Average | Lowest | Highest |
|---|---|---|---|
| 30 Aug | 29.1p/kWh | 23.3p/kWh | 45.4p/kWh |
| 29 Aug | 28.7p/kWh | 15.9p/kWh | 47.9p/kWh |
| 28 Aug | 29.4p/kWh | 21.2p/kWh | 44.3p/kWh |
| 27 Aug | 30.0p/kWh | 23.1p/kWh | 47.6p/kWh |
| 26 Aug | 30.1p/kWh | 24.0p/kWh | 49.9p/kWh |
| 25 Aug | 29.5p/kWh | 19.8p/kWh | 50.0p/kWh |
| 24 Aug | 30.5p/kWh | 24.5p/kWh | 48.4p/kWh |
| 23 Aug | 28.6p/kWh | 20.9p/kWh | 46.8p/kWh |
| 22 Aug | 25.5p/kWh | 14.9p/kWh | 43.1p/kWh |
| 21 Aug | 30.3p/kWh | 24.3p/kWh | 45.3p/kWh |
| 20 Aug | 28.9p/kWh | 23.4p/kWh | 43.7p/kWh |
| 19 Aug | 30.8p/kWh | 23.9p/kWh | 48.3p/kWh |
| 18 Aug | 29.3p/kWh | 22.3p/kWh | 47.9p/kWh |
| 17 Aug | 34.7p/kWh | 28.9p/kWh | 52.0p/kWh |
Source: Octopus Energy API