How Much Does a Electric Blanket Cost to Run?
Updated March 2026. Default rate effective 1 April 2026 (Ofgem Q2 2026). Figures are typical estimates rather than model-specific guarantees.
An electric blanket costs approximately 6p per night and around £22 per year to run — making it one of the cheapest ways to stay warm. Despite running for 8 hours, the thermostat means it only draws power about 30% of the time once warm.
Calculator24.5p/kWh
W
hrs
p/kWh
Per hour
2.5p
Per day
19.6p
Per week
£1.37
Per month
£5.97
Annual cost
£71.54
Typical annual electricity use: 292.00 kWh
Based on typical electric blanket usage at current rates.
Annual estimate
£71.54
Annual electricity use
292.00 kWh
Typical household bill context
About 11% of a typical home's annual variable electricity spend at the current default rate.
What Affects the Cost of Running a Electric Blanket?
Electric blanket costs depend on: Wattage — models range from 60W (single) to 200W (king size dual control). Thermostat cycling — once warm, the blanket only draws power approximately 30% of the time.
Helpful guides
Related appliances
Assumptions and methodology
- Electricity rate: 24.5p/kWh (Ofgem Q2 2026)
- Default wattage is based on a typical appliance in this category
- Usage assumptions are meant to be a sensible starting point, not a fixed rule
- Costs vary with tariff, model, settings, load size, and household habits
Tips to Reduce Electric Blanket Running Costs
Pre-warm the bed for 30 minutes before getting in, then switch to a lower setting or turn off entirely — your body heat and duvet will retain warmth. Never fold an electric blanket when in use.
Frequently asked questions
Common questions about electricity costs and our calculators.