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

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

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
027.0p/kWh
126.0p/kWh
224.9p/kWh
323.6p/kWh
423.7p/kWh
527.5p/kWh
631.0p/kWh
727.4p/kWh
823.2p/kWh
912.6p/kWh
105.3p/kWh
112.4p/kWh
120.5p/kWh
13-0.9p/kWh
14-1.2p/kWh
150.5p/kWh
1629.6p/kWh
1744.3p/kWh
1845.3p/kWh
1935.5p/kWh
2032.3p/kWh
2130.5p/kWh
2228.5p/kWh
2328.6p/kWh

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

Cheapest hours highlighted. Times in local time.

Previous days

DateAverageLowestHighest
30 Aug29.1p/kWh23.3p/kWh45.4p/kWh
29 Aug28.7p/kWh15.9p/kWh47.9p/kWh
28 Aug29.4p/kWh21.2p/kWh44.3p/kWh
27 Aug30.0p/kWh23.1p/kWh47.6p/kWh
26 Aug30.1p/kWh24.0p/kWh49.9p/kWh
25 Aug29.5p/kWh19.8p/kWh50.0p/kWh
24 Aug30.5p/kWh24.5p/kWh48.4p/kWh
23 Aug28.6p/kWh20.9p/kWh46.8p/kWh
22 Aug25.5p/kWh14.9p/kWh43.1p/kWh
21 Aug30.3p/kWh24.3p/kWh45.3p/kWh
20 Aug28.9p/kWh23.4p/kWh43.7p/kWh
19 Aug30.8p/kWh23.9p/kWh48.3p/kWh
18 Aug29.3p/kWh22.3p/kWh47.9p/kWh
17 Aug34.7p/kWh28.9p/kWh52.0p/kWh

Source: Octopus Energy API