This is how we calculate your monthly payments when you first join bulb.
Bulb electricity cost calculator.
Cost day e kwh day cost cent kwh 100 cent.
We estimate your total energy usage for the next 12 months.
An average cfl bulb which provides 800 lumens will use only 13 to 15 watts compared to a similar incandescent bulb which uses 60 watts.
Electricity cost over a year.
In the past led bulbs have had a poor reputation for bright or blue color temperatures and unnatural feel.
If you are changing the bulbs yourself leave the re lamp labor cost field at zero.
Electricity costs vary but the national average electricity cost is 12 per kilowatt hour.
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.
We work out the cost of that usage based on the current price of our variable tariff.
This cost is shown on the monthly electric bill from the power.
To find the price for the kwh used multiplying by the cost per kwh charged by the electric company by the kilowatt hours measurement found above.
Total yearly electricity consumption.
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.
Calculate the electricity cost.
We divide the cost by 12 so each monthly payment is the same.
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.
Bulb energy ltd is licensed to supply electricity and gas by ofgem.
The wattage is the amount of the electrical power required by an appliance or device in watts kilowatts or megawatts.
The calculator will work with any type of existing or replacement bulb.
Bulb energy limited is a company registered in england and wales no 08469555.
Our vat number is 214948301.
Our registered address is 155 bishopsgate london ec2m 3tq.
But the price of the light bulbs and the time they ll last is important also.
Click calculate to find out the electricity cost of a single cfl light bulb running at 14 watts for 5 hours a day 0 10 per kwh you can also modify the calculator.
The energy cost calculator can estimate how long it will take to pay for an led cfl upgrade based on the amount of usage electricity costs and the number of lamps needed.
The wattage is often listed on your electrical devices.
If a light bulb will last longer than the other then you ll need to replace it less often and thus you ll pay less for the bulbs.