Electric shower, per hour£2.37
Kettle, per hour79p
TV, per hour4.2p
Your region
Live Direct Debit rates for UK average since 1 October 2026.
Ranked by cost per hour
| Appliance | Typical power | Per hour |
|---|---|---|
| Electric shower | 7,000–10,500 W | £2.37 |
| Kettle | 3,000 W | 79p |
| Immersion heater | 3,000 W | 79p |
| Tumble dryer | 2,000–3,000 W | 66p |
| Fan heater / electric fire | 2,000–3,000 W | 66p |
| Electric oven | 2,000–2,200 W | 55p |
| Hairdryer | 2,000 W | 53p |
| Oil-filled radiator | 1,500–2,500 W | 53p |
| Dishwasher | 1,050–1,500 W | 34p |
| Microwave | 600–1,500 W | 26p |
| Dehumidifier | 300–700 W | 13p |
| TV (LCD) | 125–200 W | 4.2p |
| Laptop | 20–65 W | 1.1p |
| Broadband router | 7–10 W | 0.2p |
But per hour isn't the whole story
A kettle is one of the most powerful things in your home, but it only runs for a few minutes. A boil costs about 3.3p. Things that run for hours, like heaters, or every day, like showers and fridges, usually make a bigger dent in your bill.
Small things that add up
- A router on all year costs about £19.60.
- A TV on for 4 hours a day costs about £61.48 a year.
- Devices on standby add a little each, so switch off at the wall the ones you rarely use.
Work out any appliance with the running cost calculator. Into gaming? Our sister site Watts Up Gaming covers consoles and gaming PCs.
Sources: National Energy Action, Ofgem price cap via Uswitch, Octopus Energy tariff data.