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Options for Lighting Retofits

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Lighting is a major component of electrical energy consumption in commercial buildings.With increases in energy costs, there is a growing need for efficient, cost-effective lighting options. At this …

Lighting is a major component of electrical energy consumption in commercial buildings.With increases in energy costs, there is a growing need for efficient, cost-effective lighting options. At this workshop, Cheryl Allen of Green Planet Lighting will display modern lighting alternatives to control operational costs and deliver more sustainable solutions.


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  • 1. Greening the Balance Sheet: Retrofitting Commercial and Industrial Lighting Cheryl Allen President, Green Planet Lighting/FSG Rick Brown Emerging Technologies, Facilities Solutions Group (FSG) January 12, 2010 California Center for Sustainable Energy©Green Planet Lighting, 2009
  • 2. More site electricity is consumed for lighting than for any other end use. ~40 % of electrical use Energy Information Administration,©Green Planet Lighting, 2009 2003 Commercial Buildings Energy Consumption Survey
  • 3. The Opportunity Changing sources in energy production, electricity de-regulation, power pricing, federal and state energy policy, available lighting technology and business and public cost consciousness create a ‘perfect storm’ for economically introducing enhanced lighting solutions©Green Planet Lighting, 2009
  • 4. Typical Building Opportunities • Lighting upgrades – Upgraded Retrofit or New Technology – New Controls • Building management – Daylight harvesting – HVAC integration • Motor replacements • Utility systems – Compressed air • Power factor improvements©Green Planet Lighting, 2009
  • 5. Lighting Technology History 2005 2001 Long-life T5 Fluorescents first introduced in US 1981 Energy savingT8 Fluorescents 1974 first introduced in US 1959 T8 Fluorescents first introduced in US 1938 First energy saving fluorescent 1934 First quartz halogen lamp1879 First Fluorescent Lamp First HID Mercury LampFirst Incandescent lamp 1) GE Lighting ©Green Planet Lighting, 2009 2) Revolution in Lamps, Raymond Kane, Heinz Sell, NetLibrary, Inc
  • 6. Types of Lighting • Standard fluorescent – Mixture of low pressure mercury vapor and inert gas (such as argon) in tube. Phosphor powder coating on tube fluoresces excited by UV emitted by mercury vapor when current applied. Current controlled by a ballast.©Green Planet Lighting, 2009
  • 7. Types of Lighting • Down lights/track lighting – Same technology as above – Compact fluorescent – Halogen • High intensity discharge (HID) – Mercury vapor, metal halide, and high pressure sodium lamps©Green Planet Lighting, 2009
  • 8. Compact Fluorescent Retrofits©Green Planet Lighting, 2009
  • 9. T8 Lamps and Ballasts T8 Lamps – Latest Technologies • New 2nd, 3rd & 4th Generations • 25w, 28w, 30w & 32w versions • Higher Lumen Output • Better Lumen Maintenance • Longer Life©Green Planet Lighting, 2009
  • 10. T8 Electronic Ballasts • Ballast Factor – Determines Light Output & Wattage • LBF-.77 ∙ NBF-.88 -.90 • HBF-1.18 -1.20 • Instant Start – Lower Wattage, not recommended for use with occupancy sensors • Programmed Start – Longest Lamp Life and Excellent Energy Savings, compatible with sensors©Green Planet Lighting, 2009
  • 11. T8 Lamps and Electronic Ballasts Instant Start Pro Start©Green Planet Lighting, 2009
  • 12. Retrofit Kits Add occupancy sensors for an additional 30%-40% savings©Green Planet Lighting, 2009
  • 13. T5HO Fixtures Generic HID Generic T5HO Fixture Fixture©Green Planet Lighting, 2009
  • 14. T5HO Fixtures vs. 400w HID Fixtures • Energy Savings – 458 Input Watts Vs. 240 Input Watts • Dramatic Color Improvement - Read Labels More Accurately • Improved Light Output - Both Horizontal & Vertical • Program Start Ballast Technology - Long Lamp Life©Green Planet Lighting, 2009
  • 15. T5HO Fixtures vs. 400w HID Fixtures • Occupancy Sensors Turn Off T5 Fixtures When Not Needed - Fixtures Turn On Instantly When Area Is Occupied • Low Lamp Lumen Depreciation - Increases Time Between Relamps • Substantial Maintenance Cost Avoidance - 5 Year Ballast & 2 Year Lamp Mfr. Warranty©Green Planet Lighting, 2009
  • 16. Typical Warehouse and Processing Area Retrofit Fixture Fixture Features Key Benefits© Green Planet Lighting, 2009
  • 17. High Bay Lighting Retrofit Example 400 watt 4 Lamp Fixture Type Metal Halide T-5 High Bay Cost per kWh $0.15 $0.15 Annual Operation Hours 3600 3600 # of Fixtures 100 100 Watts per Fixture 456 240 KW 46 24 Annual kWh 164,160 86,400 Cost to operate fixtures $24,624 $12,960 Estimated rebate $10,000 Pays back in ~ 2 years with rebates ROI > 35% Sensors can also increase savings© Green Planet Lighting, 2009
  • 18. Unique Solution for T12/8 Retrofit to T5Fixture Features Key Benefits • Refit existing fixtures with minimal disruption • Reduced energy up to 50% • Improved environment – No high frequency flicker • Quality light – Enhanced color rendition© Green Planet Lighting, 2009 – Minimal lumen loss
  • 19. Unique Solution for T12/8 Retrofit to T5 Key Benefits• Refit existing fixtures with minimal disruption• Reduced energy up to 50%• Improved environment – No high frequency flicker• Quality light – Enhanced color rendition – Minimal lumen loss• Low future maintenance cost – Low installation cost• Short payback period© Green Planet Lighting, 2009
  • 20. Lighting Retrofit Example T12 x 4 lamp T5 x 2 lamp Fixture Type Electromagnetic Ballast Electronic Ballast Cost per kWh $0.15 $0.15 Annual Operation Hours 3600 3600 # of Fixtures 100 100 Watts per Fixture 144 60 Annual kWh 43,200 18,000 Cost to operate $7,776 $3,240 Estimated rebate $1,512 Pays back in 1.1 year If on 24/7, payback in less than three months! T8s, payback 9 months© Green Planet Lighting, 2009
  • 21. Why now? Changing sources in energy production, electricity de-regulation, power pricing, federal and state energy policy, available lighting technology and business and public cost consciousness create a ‘perfect storm’ for economically introducing enhanced lighting solutions©Green Planet Lighting, 2009
  • 22. ©Green Planet Lighting, 2009