In the end you get a figure in a unit known as kilowatt hours.
Bulb electricity cost per unit.
Calculate the total lighting cost by multiplying the kilowatt hours used by the cost per kwh.
Our registered address is 155 bishopsgate london ec2m 3tq.
The national average cost for electricity is 12 per kilowatt hour.
Every electric company charges a different rate for electricity and those rates may vary month to month.
Our vat number is 214948301.
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.
This bulb vari fair tariff is available for customers with a standard prepayment or economy 7 meter.
Once you know the wattage of the lamps in the fixture you can determine the energy use by tracking how much it is used.
Tracking the energy used is the same for all lights.
Cost day e kwh day cost cent kwh 100 cent see also.
The same goes for compact fluorescent bulbs abbreviated to cfl.
The wattage is the amount of the electrical power required by an appliance or device in watts kilowatts or megawatts.
Bulb energy limited is a company registered in england and wales no 08469555.
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.
Bulb energy ltd is licensed to supply electricity and gas by ofgem.
Electricity cost calculator the calculations are based on the device wattage and electricity price per kilowatt hour kwh that your local utility company charges.
The wattage is often listed on your electrical devices.
Price kwh cost per kwh.
Calculate the total electricity cost for lights.
Electricity 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.
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.
Bulb energy tariffs prices.