Menu

Electricity prices Agile K: South Wales, 12 September 2026

12 September 2026 · Consumer price including taxes and charges.

Average
24.4p/kWh
−36% vs. yesterday · −15% vs. 7-day average
Lowest
-2.6p/kWh
Highest
50.4p/kWh
Hours with negative prices
4

Cheapest hours

Best time to run

Washing machine (2 h)
11:00–13:00, average -2.6p/kWh
Dishwasher (3 h)
11:00–14:00, average -2.4p/kWh
Electric car (4 h)
10:00–14:00, average -2.1p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
035.1p/kWh
133.4p/kWh
232.4p/kWh
330.4p/kWh
431.2p/kWh
529.5p/kWh
628.1p/kWh
726.6p/kWh
820.8p/kWh
99.0p/kWh
10-1.0p/kWh
11-2.6p/kWh
12-2.6p/kWh
13-2.1p/kWh
140.3p/kWh
153.4p/kWh
1632.0p/kWh
1748.1p/kWh
1850.4p/kWh
1938.3p/kWh
2038.4p/kWh
2138.3p/kWh
2235.7p/kWh
2333.5p/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 Sept38.0p/kWh29.6p/kWh66.2p/kWh
10 Sept35.4p/kWh23.8p/kWh51.3p/kWh
9 Sept35.6p/kWh24.1p/kWh58.8p/kWh
8 Sept26.2p/kWh8.2p/kWh48.9p/kWh
7 Sept31.8p/kWh16.7p/kWh52.3p/kWh
6 Sept19.8p/kWh-4.5p/kWh49.8p/kWh
5 Sept14.1p/kWh-2.8p/kWh46.5p/kWh
4 Sept17.8p/kWh-2.3p/kWh37.3p/kWh
3 Sept27.4p/kWh8.9p/kWh50.2p/kWh
2 Sept33.2p/kWh27.1p/kWh52.4p/kWh
1 Sept28.6p/kWh11.2p/kWh51.0p/kWh
31 Aug22.7p/kWh-1.1p/kWh46.0p/kWh
30 Aug29.9p/kWh24.1p/kWh46.1p/kWh
29 Aug29.6p/kWh16.5p/kWh48.7p/kWh

Source: Bundesnetzagentur | SMARD.de (CC BY 4.0)