Cost day e kwh day cost cent kwh 100 cent see also.
Bulb electricity cost per unit.
This bulb vari fair tariff is available for customers with a standard prepayment or economy 7 meter.
You use the wattage.
Calculate the total lighting cost by multiplying the kilowatt hours used by the cost per kwh.
Bulb energy tariffs are much simpler to understand than those of many other energy suppliers.
The national average cost for electricity is 12 per kilowatt hour.
Bulb energy limited is a company registered in england and wales no 08469555.
Our vat number is 214948301.
The wattage is the amount of the electrical power required by an appliance or device in watts kilowatts or megawatts.
Bulb energy tariffs prices.
In fact the supplier offers just one single tariff the bulb vari fair tariff it provides 100 renewable electricity and 100 carbon neutral gas for all customers.
Every electric company charges a different rate for electricity and those rates may vary month to month.
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.
A typical cheap 60 watt equivalent to incandescent led light bulb is advertised as providing 800 lumens lasting up to 10 000 hours at 10 watts.
Bulb energy ltd is licensed to supply electricity and gas by ofgem.
The electricity cost per day in dollars is equal to the energy consumption e in kwh per day times the energy cost of 1 kwh in cents kwh divided by 100 cents per dollar.
In the end you get a figure in a unit known as kilowatt hours.
The same goes for compact fluorescent bulbs abbreviated to cfl.
Calculate the total electricity cost for lights.
Once you know the wattage of the lamps in the fixture you can determine the energy use by tracking how much it is used.
Electricity cost calculator our energy calculator allows you to calculate the running cost of any electrical items using a range of electricity tariffs.
Click calculate to find out the electricity cost of a single led light bulb running at 10 watts for 5 hours a day 0 10 per kwh you can also modify the input fields if needed.
Our registered address is 155 bishopsgate london ec2m 3tq.
The wattage is often listed on your electrical devices.