How much does it cost to run a electric shower?
A electric shower typically draws about 9,000 W. At the current Ofgem price-cap electricity rate of 26.11p/kWh (1 July to 30 September 2026), a typical 0.17-hour use costs about 39.9p, and one hour costs roughly Β£2.35.
Electric shower running cost: ~9.00 kWh per hour β Β£2.35/hour. A typical 0.17-hour use β 39.9p at 26.11p/kWh.
Electric shower running-cost calculator
A electric shower draws about 9,000 W. Set how long you run it and we apply the current Ofgem electricity unit rate of 26.11p/kWh.
Cost to run for 0.17 hours
39.9p
Uses 1.53 kWh at 26.11p/kWh.
- Per day
- 39.9p
- Per week
- Β£2.80
- Per year
- Β£145.81
Per-day/week/year figures assume one 0.17-hour run each day. Wattage is typical/indicative β your model may differ.
How the cost is worked out
- Wattage: a electric shower draws about 9,000 W.
- Convert to kW: 9,000 Γ· 1,000 = 9.00 kW.
- Multiply by hours: 9.00 kW Γ 0.17 h = 1.53 kWh.
- Multiply by the unit rate: 1.53 kWh Γ 26.11p β 39.9p.
Frequently asked questions
How much does it cost to run a electric shower?
A electric shower draws about 9,000 W. At the Ofgem cap rate of 26.11p/kWh (1 July to 30 September 2026), a typical 0.17-hour use costs roughly 39.9p, and one hour costs about Β£2.35.
How much electricity does a electric shower use per hour?
At 9,000 W, a electric shower uses about 9.00 kWh per hour, which is roughly Β£2.35 at the current cap rate.
Running costs for other appliances
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Wattage (9,000 W) is typical/indicative β your model may differ. Source: Heatable β How much energy do appliances use (typical ratings; draws on Energy Saving Trust / Centre for Sustainable Energy). Electricity unit rate from Ofgem β Energy price cap unit rates and standing charges (cap period 1 July to 30 September 2026, fetched 2026-06-18). Ofgem figures Β© Ofgem, Open Government Licence v3.0. Appliance wattages are typical/indicative, not measured. Ofgem.