Cost Of Lighting
Light costs money. That doesn’t just mean this bulb is more than that bulb. The cost of light also means how much you’re paying every year to light up your space. Think the cost of a bulb is your biggest lighting expense? Look a little closer.
Cost of Light Formulas
Which would you rather buy? Two Simple Formulas:
A light bulb that costs $0.75 or a light bulb that costs $5.00? ...Depends on the Total Cost
| |
Cost of Energy =
|
Watts Used X Energy Rate X Hours of Operation |
| 1000 |
| |
Energy Savings =
|
Watts Saved X Energy Rate X Hours of Operation |
| 1000 |
Two Simple Examples:
|
Cost of 150 Watt Incandescent =
|
150 Watt X $0.10/Kwhr X 4,000 Hours |
= $60.00 Per Year |
| 1000 |
| |
| Cost of 42- Watt Compact Fluorescent = |
42 Watt X $0.10/Kwhr X 4,000 Hours |
= $16.80 Per Year |
| 1000 |
Would you pay $5.00 for an energy efficient light bulb that saves you $43.20 in energy costs?
| ROI = |
$43.20 |
= 1016%* |
| $4.25 |
| |
|
|
| Payback = |
$4.25 |
= 0.10 Years* |
| $43.20 |
| |
* net savings |