There are many options available for businesses looking for green... And we're not just talking about green in and environmental sense. If your lighting system is more than a few years old, you're probably paying much more in utilities than necessary.
A common lighting changeout is from metal halide to fluorescent hi bay fixtures. The example to the left shows that changing your fixtures out to advanced energy efficient technologies is one way to save a lot of GREEN!
| ||Current System||Replacement Option|
|System||400W Metal Halide Fixture||Fluorescent Hi Bay Fixture|
|Material||(1) 400W bulb, (1) Magnetic Ballast||(6) 32W T8XP lamps, (2) HBF Electronic Ballasts|
|Hours of Operation||3000||3000|
|Fixture Cost||Existing||$   139.00|
|DP&L Rebate||Existing||-     50.00|
|Net Material Cost|| ||$     89.00|
| || || |
|Foot Candle Levels||Existing||Greatly Increased|
|Energy Rate||$0.10 / KWHr||$0.10 / KWHr|
|Energy Savings per Year||$0||3000 x 0.10 x 236 / 1000 = $70.80/yr|
|Material Payback|| ||$89.00 / $70.80 = 1.25 years (15 months)|
|Return on Investment|| ||$70.80 / $89.00 = 80% ROI|