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Electricity prices Agile K: South Wales, 17 September 2026

17 September 2026 · Consumer price including taxes and charges.

Average
22.5p/kWh
−39% vs. yesterday · −37% vs. 7-day average
Lowest
-1.8p/kWh
Highest
49.0p/kWh
Hours with negative prices
4

Cheapest hours

Best time to run

Washing machine (2 h)
12:00–14:00, average -1.6p/kWh
Dishwasher (3 h)
12:00–15:00, average -1.6p/kWh
Electric car (4 h)
11:00–15:00, average -1.4p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
027.0p/kWh
124.2p/kWh
223.3p/kWh
321.9p/kWh
424.5p/kWh
525.8p/kWh
629.8p/kWh
733.5p/kWh
830.5p/kWh
917.3p/kWh
104.2p/kWh
11-0.8p/kWh
12-1.8p/kWh
13-1.4p/kWh
14-1.5p/kWh
156.2p/kWh
1628.1p/kWh
1741.4p/kWh
1849.0p/kWh
1937.3p/kWh
2035.7p/kWh
2132.5p/kWh
2228.3p/kWh
2324.1p/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
16 Sept36.7p/kWh29.2p/kWh57.6p/kWh
15 Sept35.8p/kWh24.8p/kWh57.7p/kWh
14 Sept41.3p/kWh32.6p/kWh61.1p/kWh
13 Sept39.2p/kWh32.5p/kWh58.4p/kWh
12 Sept24.4p/kWh-2.6p/kWh50.4p/kWh
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

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