2 kW Oil-Filled Radiator running cost — 6 h daytime (home-worker)
A 2 kW Oil-Filled Radiator (2,000 W) running 6 hours/day uses 12.00 kWh and costs £3.13/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
2 kW Oil-Filled Radiator — 6 h daytime (home-worker): 2,000 W ÷ 1000 × 6 h × 26.11p/kWh = £3.13/day. Weekly (5 days): £15.67. Annual: £814.63. Coverage: Medium room, runs cooler and quieter than panel heaters. Source: Energy Saving Trust (wattage, typical/indicative); Ofgem (OGL v3.0).
- Per hour
- 52.2p
- Per day (6 h)
- £3.13
- Per week (5 days)
- £15.67
- Per year
- £814.63
Heater specification
- Rated power
- 2,000 W (2.0 kWh/h)
- Coverage
- Medium room, runs cooler and quieter than panel heaters
- Cost per kWh (Ofgem cap)
- 26.11p
- Cost per hour
- 52.2p
Energy Saving Trust / Heatable — typical 2 kW oil-filled radiator
How the cost is worked out
- Wattage: 2 kW Oil-Filled Radiator draws 2,000 W = 2.0 kWh per hour.
- Daily use: 2.0 kWh × 6 h = 12.00 kWh/day.
- Daily cost: 12.00 kWh × 26.11p = £3.13.
- Weekly (5 days): £3.13 × 5 = £15.67.
- Annual: £15.67 × 52 = £814.63.
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2,000 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.