1 kW Panel Heater running cost — 2 h morning burst
A 1 kW Panel Heater (1,000 W) running 2 hours/day uses 2.00 kWh and costs 52.2p/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
1 kW Panel Heater — 2 h morning burst: 1,000 W ÷ 1000 × 2 h × 26.11p/kWh = 52.2p/day. Weekly (7 days): £3.66. Annual: £190.08. Coverage: Small-medium room (~12 m²). Source: Energy Saving Trust (wattage, typical/indicative); Ofgem (OGL v3.0).
- Per hour
- 26.1p
- Per day (2 h)
- 52.2p
- Per week (7 days)
- £3.66
- Per year
- £190.08
Heater specification
- Rated power
- 1,000 W (1.0 kWh/h)
- Coverage
- Small-medium room (~12 m²)
- Cost per kWh (Ofgem cap)
- 26.11p
- Cost per hour
- 26.1p
Energy Saving Trust — typical 1 kW panel heater rating
How the cost is worked out
- Wattage: 1 kW Panel Heater draws 1,000 W = 1.0 kWh per hour.
- Daily use: 1.0 kWh × 2 h = 2.00 kWh/day.
- Daily cost: 2.00 kWh × 26.11p = 52.2p.
- Weekly (7 days): 52.2p × 7 = £3.66.
- Annual: £3.66 × 52 = £190.08.
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1,000 W wattage from Energy Saving Trust — Heating your home guide (typical appliance ratings) (typical/indicative). Unit rate 26.11p/kWh from Ofgem — Energy price cap unit rates and standing charges (1 July to 30 September 2026), OGL v3.0.