Energy Basics What is the “Best” lighting

Proprietary Information Of Energy 2013 “Sic Semper Tyrannis”

Proprietary Information Of Energy 2013 What is the “BEST” Lighting? The right light levels, at the right location, for the lowest cost

Proprietary Information Of Energy 2013 I have to save $ in my building, NOW WHAT? Lighting Technologies – Fluorescent – High Intensity Discharge – Solid State (LED) Lighting Controls Lighting Design Lighting Maintenance

Proprietary Information Of Energy 2013 Comparative Analysis

Proprietary Information Of Energy 2013 Greatest Thing since Thomas Edison? YES?NO?MAYBE?

Proprietary Information Of Energy 2013 The “BEST” measures for a lighting system? Approximately 50% of the equation for light levels is the lumens/watt. Approximately 50% is the environment those lumens sit in. What are the some other factors? – Cost – Lamp life – CRI/K temp – Heat

Proprietary Information Of Energy 2013 “BEST” Lighting T8!! – Lowest cost – Great energy savings – Flexibility – High burn hours – Legacy – Yes, they still have mercury. – Very low depreciation

Proprietary Information Of Energy 2013 LED? Still dealing with high cost Efficacy is improving almost weekly, lm/watt continue to rise. – Physics say it could get to 260 lm/watt, then we have REAL energy savings. Creates a legacy problem Great for dimming. Relatively low environmental impact. Still dealing with BAD manufacturers and marketers.

Proprietary Information Of Energy 2013 LED Marketing

Proprietary Information Of Energy 2013 Effective Controls Turn the D#$& LIGHTS OFF! Simple occ/vacancy sensors Use Daylight, IT’S FREE! Dimming, comfort and personal preferences raise costs, evaluate carefully! Can’t manage what you don’t measure, but measuring and not managing is STUPID!

Proprietary Information Of Energy 2013 TRAINING Recent EE program test took place for K-12 in GA. Program took and existing training package, Building Operator’s Certification and applied it to K-12. First reported results, 6 months – 72% posted data – Savings, $124,000+(spend was $30,800) – Training PAYS for itself!

Proprietary Information Of Energy 2013 Questions? E. W. Dovel Div. VP, Public Sector Harris Lighting