Energy Price Cap Calculator
Estimate annual energy costs using your usage and unit rates.
Enter usage and rates
p/kWh
p/kWh
p/day
p/day
Energy price cap calculator guide for UK households
WeCovr's energy price cap calculator helps UK households estimate annual energy costs, backed by FCA-authorised guidance and 900,000+ policies issued across protection products. WeCovr also supports private medical insurance UK planning, while this guide covers energy cost basics.
What this energy price cap calculator estimates
The calculator estimates annual energy costs based on usage, unit rates, and standing charges.
It uses illustrative rates and does not include region-specific variations.
Calculates annual electricity and gas costs.
Includes standing charges.
Supports budget planning for bills.
Why standing charges matter
Standing charges can add up over a year and should be included when comparing tariffs.
Why WeCovr supports household budgeting
WeCovr provides FCA-authorised guidance with high customer satisfaction ratings. We also offer complimentary access to the CalorieHero AI calorie tracking app and discounts when customers take PMI or Life insurance. If you are comparing private medical insurance UK options, we can help you access private health cover through a trusted PMI broker.
Data sources and guidance references
This guide references Ofgem price cap guidance and UK energy usage benchmarks.
Energy cost drivers
| Driver | Impact | Example | Notes |
|---|---|---|---|
| Usage | High | kWh/year | Biggest factor |
| Unit rates | High | p/kWh | Varies by tariff |
| Standing charges | Medium | p/day | Fixed cost |
Related WeCovr resources
FAQs
Does this include regional caps?
No. It uses illustrative rates. Check your region for exact rates.
Should I use my actual usage?
Yes. Your meter readings or annual statements give the best inputs.
Do tariffs change often?
Yes. Price cap rates can change multiple times per year.
Is this financial advice?
No. It is an estimate for planning only.