Energy bill calculator
Estimate your annual energy bill under the current or next Ofgem price cap.
Calculator 1
Energy bill calculator
Enter how much gas and electricity you use in a year. Leave a box empty to use Ofgem's typical household usage.
Figures update as you type. For rates in your own Ofgem region, use the regional prices table.
Estimated annual cost
£1,663
- Monthly equivalent
- £139
- Electricity
- £862
- Gas
- £802
- Energy you use
- £1,349
- Standing charges
- £315
- Estimate at next cap
- £1,723
Uses Ofgem capped direct debit rates for 1 Jul – 30 Sept 2026, including VAT and standing charges.