Electricity prices Great Britain, 27 September 2026
27 September 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
20.7p/kWh
−23% vs. yesterday · −32% vs. 7-day average
Lowest
-2.3p/kWh
Highest
48.0p/kWh
Hours with negative prices
5
Cheapest hours
- 11:00 · -2.3p/kWh
- 12:00 · -2.1p/kWh
- 14:00 · -1.8p/kWh
Best time to run
Washing machine (2 h)
11:00–13:00, average -2.2p/kWh
Dishwasher (3 h)
11:00–14:00, average -2.0p/kWh
Electric car (4 h)
11:00–15:00, average -2.0p/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
21 Sept22 Sept23 Sept24 Sept25 Sept26 Sept27 Sept00:0003:0006:0009:0012:0015:0018:0021:00
Previous days
| Date | Average | Lowest | Highest |
|---|---|---|---|
| 26 Sept | 26.9p/kWh | 2.3p/kWh | 50.3p/kWh |
| 25 Sept | 34.4p/kWh | 26.3p/kWh | 58.1p/kWh |
| 24 Sept | 31.4p/kWh | 19.3p/kWh | 51.1p/kWh |
| 23 Sept | 32.3p/kWh | 22.9p/kWh | 53.5p/kWh |
| 22 Sept | 41.3p/kWh | 28.9p/kWh | 90.1p/kWh |
| 21 Sept | 37.0p/kWh | 29.0p/kWh | 59.4p/kWh |
| 20 Sept | 10.6p/kWh | -4.9p/kWh | 52.8p/kWh |
| 19 Sept | 4.4p/kWh | -4.2p/kWh | 35.3p/kWh |
| 18 Sept | 20.0p/kWh | 0.4p/kWh | 42.6p/kWh |
| 17 Sept | 21.8p/kWh | -1.9p/kWh | 48.2p/kWh |
| 16 Sept | 35.6p/kWh | 28.3p/kWh | 56.6p/kWh |
| 15 Sept | 34.7p/kWh | 23.9p/kWh | 56.7p/kWh |
| 14 Sept | 40.0p/kWh | 31.5p/kWh | 59.9p/kWh |
| 13 Sept | 38.1p/kWh | 31.4p/kWh | 57.3p/kWh |
Source: Octopus Energy API