Heat pump electricity cost calculator UK
Estimate electricity needed for a known heat demand and a chosen efficiency factor. Check the formula, worked example and limits before using your own figures.
Enter your figures
Electricity cost for the heat demand
Inputs changed. Select Calculate result to update your estimate.
Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Enter a measured or defensible seasonal factor. No property heat-loss estimate, installation cost, hot-water adjustment or guarantee of equipment performance.
How the heat pump electricity cost calculator uk works
Electrical kWh = useful heat ÷ performance factor. Cost = electrical kWh × tariff.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
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Worked example: heat pump electricity cost
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Useful heat required (kWh)
- 6,000
- Seasonal performance factor
- 3
- Electricity pence per kWh
- 26.32
Electricity cost for the heat demand: £526.40
Electrical kWh = useful heat ÷ performance factor. Cost = electrical kWh × tariff.
Heat pump electricity cost: questions answered
What does the heat pump electricity cost calculation include?
Electrical kWh = useful heat ÷ performance factor. Cost = electrical kWh × tariff. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. Enter a measured or defensible seasonal factor. No property heat-loss estimate, installation cost, hot-water adjustment or guarantee of equipment performance.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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