Mar 29, 2017 · Electricity average unit cost is 11p/kWh.(graph) Conclusion: Electricity is expensive per unit compared to Gas. However if you see the usage per year compared to gas it is less than half of gas usage with our Electric Combi Boilers. The running cost is almost at par running a Gas boiler with our Electric Combi Boiler.
Read MoreElectric boilers tend to be less powerful than gas and oil boilers making them suitable for smaller homes and flats. An average gas boiler has a kW size of anywhere between 24-35 kW compared to 15 kW or less for an electric boiler. There is an electric boiler sizing rule of thumb which suggests that you need 1.5 kW for each radiator in your home.
Read MoreElectricity Cost Calculator. Our energy calculator allows you to calculate the running cost of any electrical items using a range of electricity tariffs. Simply enter the amount of electricity the appliance uses (in Watts or KiloWatts) and the length of time it is used (in Hours or Minutes), then instantly see the cost.
Read MoreElectricity is also much more expensive than gas, at around 14 pence per kilowatt hour compared to three pence for gas. It is for these reasons that electric boilers have a lower ErP score, however, they lose almost no energy during operation. It would be much more beneficial to run an electric boiler using solar panels.
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