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Electricity prices Great Britain, 12 August 2026

12 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
28.6p/kWh
+7% vs. yesterday · +33% vs. 7-day average
Lowest
17.8p/kWh
Highest
59.8p/kWh
Hours with negative prices
0

Cheapest hours

Best time to run

Washing machine (2 h)
11:00–13:00, average 18.2p/kWh
Dishwasher (3 h)
11:00–14:00, average 18.1p/kWh
Electric car (4 h)
11:00–15:00, average 18.3p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
023.8p/kWh
123.2p/kWh
222.9p/kWh
323.3p/kWh
423.6p/kWh
525.5p/kWh
627.3p/kWh
726.4p/kWh
822.9p/kWh
922.9p/kWh
1019.8p/kWh
1117.8p/kWh
1218.6p/kWh
1317.9p/kWh
1419.0p/kWh
1521.8p/kWh
1638.7p/kWh
1746.3p/kWh
1859.8p/kWh
1949.5p/kWh
2042.7p/kWh
2135.1p/kWh
2230.3p/kWh
2326.3p/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
11 Aug26.6p/kWh17.7p/kWh45.4p/kWh
10 Aug26.1p/kWh19.5p/kWh44.3p/kWh
9 Aug18.6p/kWh1.7p/kWh39.4p/kWh
8 Aug17.3p/kWh-3.7p/kWh40.2p/kWh
7 Aug23.0p/kWh13.5p/kWh39.3p/kWh
6 Aug22.2p/kWh11.6p/kWh38.5p/kWh
5 Aug16.5p/kWh-4.1p/kWh35.6p/kWh
4 Aug26.4p/kWh20.8p/kWh41.1p/kWh
3 Aug27.1p/kWh19.6p/kWh47.0p/kWh
2 Aug26.9p/kWh21.5p/kWh43.4p/kWh
1 Aug22.9p/kWh6.5p/kWh40.2p/kWh
31 Jul27.2p/kWh20.0p/kWh41.1p/kWh
30 Jul25.8p/kWh14.3p/kWh42.7p/kWh
29 Jul26.9p/kWh19.6p/kWh48.6p/kWh

Source: Octopus Energy API