Do you know your annual lighting energy costs?
The math is easy. If you’re using HID (high-intensity discharge) or HPS (high-pressure sodium) fixtures, your lighting energy costs are probably in the range of $1 per square foot per year -- meaning that your 200,000 square foot facility likely costs $200,000 annually. Not to mention the additional load on HVAC or chiller systems to eliminate the added heat from the lights....
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