Savings Calculator

What is your current fixture wattage?*

Enter in Watts

SHOW ballast/What is Wattage

Are you bypassing the ballast?

Ballast Cost

What is the wattage of the selected Light Efficient Design retrofit?*

Enter in Watts

SHOW how many fixtures are you retrofitting

How many fixtures are you retrofitting?

SHOW on average, how many hours are the fixtures one

On average, how many hours are the fixtures on per day?

0

SHOW What is your per kWh energy cost

What is your per kWh energy cost?

If unknown, the average cost is £0.11/kWh

Total kWh Saved

Total kWh Saved Calc

Annual kW Saved

Annual kW Saved Calc

Total Energy Savings

Total energy cost saved per year Calc

Do you want to calculate your ROI?

See how soon a retrofit can pay for itself.

SHOW What is the total cost to retrofit your lighting

What is the total cost to retrofit your lighting? (Price per lamp * quantity of lamps)

SHOW ROI and Investment

Your investment will be paid for within

*these savings calculations do NOT even include the replacement cost of multiple lamps, ballasts and the labor to do such work throughout the 50,000 hour life of our Light Efficient Design retrofits.

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Light Efficient Design UK

Savings Calculator