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Simple energy comparison

Compare two energy tariffs using your own energy use

Compare annual electricity and gas use against the tariff rates you enter to estimate a 12-month cost.

This calculator compares only the figures you enter. It does not recommend whether to stay or switch.

Your annual energy use

Electricity used each year (kWh/year)

Enter your annual electricity consumption in kWh.

Gas used each year (kWh/year)

Enter 0 if your household does not use gas.

Tariff A

Tariff name (optional)

Electricity unit rate (p/kWh)

Electricity standing charge (p/day)

Gas unit rate (p/kWh)

Gas standing charge (p/day)

Exit fee (£) (optional)

Exit fees are shown separately from annual energy cost.

Tariff B

Tariff name (optional)

Electricity unit rate (p/kWh)

Electricity standing charge (p/day)

Gas unit rate (p/kWh)

Gas standing charge (p/day)

Exit fee (£) (optional)

Exit fees are shown separately from annual energy cost.

Include exit fees in the comparison

Only enter and include an exit fee where it would genuinely be incurred as part of the decision being compared. Entering a fee does not automatically mean it applies.