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Electricity prices Agile K: South Wales, 19 September 2026

19 September 2026 · Consumer price including taxes and charges.

Average
4.5p/kWh
−78% vs. yesterday · −86% vs. 7-day average
Lowest
-4.2p/kWh
Highest
35.7p/kWh
Hours with negative prices
15

Cheapest hours

Best time to run

Washing machine (2 h)
03:00–05:00, average -4.0p/kWh
Dishwasher (3 h)
03:00–06:00, average -4.0p/kWh
Electric car (4 h)
03:00–07:00, average -3.7p/kWh

Hourly prices

036912151821
Cheapest hours highlighted. Times in local time.
Show the data as a table
HourPrice
02.3p/kWh
1-1.8p/kWh
2-1.6p/kWh
3-4.2p/kWh
4-3.8p/kWh
5-4.0p/kWh
6-2.7p/kWh
7-2.3p/kWh
8-0.9p/kWh
90.2p/kWh
10-2.3p/kWh
11-2.6p/kWh
12-2.8p/kWh
13-3.3p/kWh
14-3.8p/kWh
15-0.2p/kWh
1613.0p/kWh
1726.2p/kWh
1835.7p/kWh
1922.7p/kWh
2017.2p/kWh
2117.1p/kWh
2211.0p/kWh
230.0p/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
18 Sept20.6p/kWh0.5p/kWh43.2p/kWh
17 Sept22.5p/kWh-1.8p/kWh49.0p/kWh
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

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