2 kW Storage Heater (charge rate) running cost — 3 h weekend daytime
A 2 kW Storage Heater (charge rate) (2,000 W) running 3 hours/day uses 6.00 kWh and costs £1.57/day at the Ofgem cap of 26.11p/kWh (1 July to 30 September 2026).
2 kW Storage Heater (charge rate) — 3 h weekend daytime: 2,000 W ÷ 1000 × 3 h × 26.11p/kWh = £1.57/day. Weekly (2 days): £3.13. Annual: £162.93. Coverage: Charges overnight on Economy 7 — heats medium room during the day. Source: Energy Saving Trust (wattage, typical/indicative); Ofgem (OGL v3.0).
- Per hour
- 52.2p
- Per day (3 h)
- £1.57
- Per week (2 days)
- £3.13
- Per year
- £162.93
Heater specification
- Rated power
- 2,000 W (2.0 kWh/h)
- Coverage
- Charges overnight on Economy 7 — heats medium room during the day
- Cost per kWh (Ofgem cap)
- 26.11p
- Cost per hour
- 52.2p
Energy Saving Trust — typical 2 kW storage heater charge rate
How the cost is worked out
- Wattage: 2 kW Storage Heater (charge rate) draws 2,000 W = 2.0 kWh per hour.
- Daily use: 2.0 kWh × 3 h = 6.00 kWh/day.
- Daily cost: 6.00 kWh × 26.11p = £1.57.
- Weekly (2 days): £1.57 × 2 = £3.13.
- Annual: £3.13 × 52 = £162.93.
Reduce your heating costs
A professional boiler service, draught proofing, or loft insulation can cut your home heating bill significantly. GeraHome connects you with trusted, vetted heating engineers.
Find a heating engineerSame usage — other heater types
Track heating costs
Updated each time the Ofgem cap changes.
No spam. Unsubscribe anytime. A Gera Services product.
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.