Energy

Calculators about electricity and energy, such as what an appliance costs to run per year.

• Electricity Cost CalculatorWork out how much electricity an appliance uses and what it costs to run per year, per month and per day, including standby power.
• Heat Pump vs Gas BoilerWork out what a hybrid or full heat pump saves per year compared with a gas boiler, and how many years it takes to pay back.
• Heating Cost CalculatorWork out your gas bill per year and per month, how much of it goes to heating, and what turning the thermostat down saves.
• Solar Panel Payback CalculatorWork out how many years solar panels take to pay for themselves, with the share you use yourself, what you export and the decline in output.