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New Opportunities in Outdoor Lighting
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Agenda
How big is the outdoor lighting opportunity?New Outdoor Lighting TechnologiesOutdoor Lighting Program ExamplesA focused look at Utility-Owned Street lightsBUG Ratings and MLODOE Municipal Solid-State Street Lighting ConsortiumDesignLights Consortium Qualified Products List
Case Studies if there is time
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How big is the Opportunity?
IT’S HUGE!DOE/Navigant Report provides estimates132.5 TWh/yr if all outdoor lighting is converted to more efficient LED
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Roadway Lighting Inventory
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Roadway Lighting Average Wattage
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Parking Lighting Inventory
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Parking Lighting Average Wattage
Bullet OneBullet Two
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Area and Flood Lighting Inventory
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Area and Flood Lighting Average Wattage
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Residential Outdoor Lighting Inventory
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Residential Outdoor Average Wattage
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
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Outdoor Lighting Opportunity Summary
Source: “Energy Savings Estimates of Light Emitting Diodes in Niche Applications”, Navigant, 2011
Type Quantity (Millions)
Potential Savings (TWh/yr)
Street Lighting 26.5 10.0
Highway Lighting 26.1 10.2
Garage Lighting 36.4 8.3
Lot Lighting 15.8 8.6
Area Lighting 50.4 33.9
Flood Lighting 43.2 29.2
Residential Outdoor 0.4 30.3
Total 198.8 132.5
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New Outdoor Lighting Technologies
Improved Metal-HalideInduction FluorescentLight Emitting PlasmaLED
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Improved Metal Halide
Example: Philips Cosmopolis SystemHigher Efficacy (100+ Lumens per Watt)Improved Lamp Life (Up to 30,000 hrs)Compact Size (65% smaller than comparable HPS lamp)
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Induction Fluorescent
Example: Philips QL, Sylvania IcetronNot really new, but experiencing a resurgenceLong, proven lifetime (100,000 hours)Good Efficiency (up to 73 LPW)White Light
“Twice the life at half the price”?
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Light Emitting Plasma
Example: Luxim LiFiJust beginning to become available in outdoor lighting fixturesLong Lamp Life (50,000 hours)Good Efficacy (80+ lumens per watt)High Lumen Packages (23,000+ lumens)Small Size
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LED
Good to Excellent Efficacy (50 – 100 Lumens per Watt)Long Lamp Life (50,000 – 100,000 hours)Small SizeInherent directionality offers opportunities for improved optical control and efficiency
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Outdoor Lighting Technology Comparison
Blah blah
*Delivered efficacy assumes 75% fixture efficiency. LED delivered efficacy from products on DesignLights Consortium Qualified Products List (April 2011)
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Program Examples
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Program Examples
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Program Examples
Some programs not able to move as quickly as others due to differences in cost-benefit analysisMethodology does not include O&M savings
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Program Examples
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Program Examples
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Program Examples
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Utility Owned Streetlights
Many street, area, and flood lighting is owned by the utilitiesPaid for through special outdoor lighting rate tariffsMonthly or Daily Charge includes purchase, installation, maintenance
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Utility Owned Streetlights
If a customer/municipality would like to upgrade to LED:– LED Rate must be offered by utility (rate case or tariff)– Customer may need to pay undepreciated costs of
previous streetlight
Challenges:– Utilities are cautious to move to new technology– Rate Cases take time– New LED Rates may not result in cost savings vs. older
technology
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Utility Owned Streetlights – Case Study
Efficiency Vermont Municipal Street Light Initiative4 Part Initiative
1.Step by Step Guide to Municipal Streetlight Conversions2.Workshops offered to all Vermont Municipalities following Guide3.Municipalities recruited to sign MOU with Efficiency Vermont
– Municipality agrees to develop project– Efficiency Vermont offers 12 hours of engineering assistance from
engineering firm free to municipality4.Partnership with Utility Street Lighting Departments
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Efficiency Vermont Municipal Street Light Initiative
Over 50 municipalities attended the workshops20+ have signed MOUDue to lack of LED rates or good economics, municipalities pressured utilities to offer economically attractive LED optionsSome municipalities considered taking over ownership of fixtures (allowed through “customer-owned” rate tariff) – 2 followed through
Concerned about losing some customers to ownership and negative PR, Utilities partnered with Efficiency Vermont on initiative
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Efficiency Vermont Municipal Street Light Initiative Current Status
Green Mountain Power and Central Vermont Public Service, Vermont’s 2 largest utilities are primary partners in initiativeNew Rate Tariffs being submitted to regulatory bodies with LED rates lower than older technology ratesUndepreciated Costs of fixtures upgraded to LED paid for by Efficiency Vermont ($100 per fixture average)Municipalities will be able to convert street lights to LED for $0 cost, and save $ through the rate tariffTarget: Nearly 2/3 of Vermont streetlights converted to LED in 3 years (20,000)
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Utility Owned Streetlight Summary
Utility owned street lights offer unique opportunities and unique barriersWorking with utility critical to successEfficiency Program funding can reduce or eliminate undepreciated costs charged to municipality for upgrade
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BUG Ratings (IES TM-15-07)
Replaced “cut-off” classification system
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IES/IDA Model Lighting Ordinance (MLO)
Joint partnership between International Darksky Association and IESNAA uniform lighting ordinance that can be tailored to individual communities10 years in the making – still not yet finalConsiderable controversy from darksky advocatesBased on BUG classification system
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IES/IDA Model Lighting Ordinance (MLO)
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IES/IDA Model Lighting Ordinance (MLO)
Offers prescriptive or performance path to complianceSets maximum site lumens based on Lighting ZoneSets maximum BUG ratings based on Lighting Zone
Example:
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DOE Municipal Solid-State Streetlight Consortium
http://www1.eere.energy.gov/buildings/ssl/consortium.htmlObjective ResourceShare experiences and technical information with LED municipal street lightingConsortium has developed flexible performance specification that can be used by municipality for LED street light purchase and/or upgrade projects – currently out for public review
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Discussion Questions
Do new lighting strategies include retrofit options or is full equipment replacement required?How are programs working with businesses and municipal governments to implement new guidelines for exterior lighting? How can utilities and other stakeholders work together to move more quickly?What can be done to address challenges with rate tariffs?What new outdoor lighting technologies should programs be pushing? When?How will new guidelines and standards such as the MLO impact programs?What are the barriers to moving forward with more efficient outdoor lighting? How can they be addressed?
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Key Words
LightColor
BUGRatings
ModelLighting
Ordinance
Utility-Owned
HighInitialCost
CostBenefit
Analysis
AdaptiveControls
CaseStudies
Cautious Utilities Prescriptive
Custom
DesignLightsConsortiumPrivately-
Owned
Improved MHInductionPlasma
LED
RateTariffs
Street LightConsortium
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Burlington International Airport
• 113 LED Pole‐Mount Parking/Street Lights• 64 LED Wallpacks• 762 LED Parking Garage Lights
38
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Burlington International Airport
39
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Vermont LED Case Studies
Fixture Type Location
Exterior - Area Light Holiday Inn Express, Brattleboro
Exterior - Street Light Founders Memorial, Essex
Exterior - Canopy Light Short Stop Mobil, Derby
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Applications – Area Light
Fixture Type Location
Exterior - Area Light Holiday Inn Express, Brattleboro
Exterior - Street Light Founders Memorial, Essex
Exterior - Canopy Light Short Stop Mobil, Derby
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Existing Equipment250 watt metal halide
(295 system watts)Brattleboro, VT
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Brattleboro, VT
LED Solution
Beta LED EDGE Area Light• 104 system watts (4-bar)• 60 lumens per watt• 75 CRI• L70 life 150,000 hours
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Brattleboro, VT
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Brattleboro, VT
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Example Economics
Replace 250W MH with Beta LED EDGE Area Light
• Save 191 watts per fixture – 65%!
• Estimate installed cost $885 per fixture
• $100 Efficiency Vermont rebate
• 5.9 year payback(includes maintenance savings, assumes 4380 hours and $0.13/kWh)
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River Bend Market - Townshend, VT
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Lyndonville, VT
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Applications – Street Light
Fixture Type Location
Exterior - Area Light Holiday Inn Express, Brattleboro
Exterior - Street Light Founders Memorial, Essex
Exterior - Canopy Light Short Stop Mobil, Derby
Interior - Track Light Orvis Outlet, Manchester
Interior - Down Light Denecker Chevrolet, Vergennes
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Founders Essex, VTMemorial School
Existing Equipment250 watt metal halide(290 system watts)
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Founders Essex, VTMemorial School
LED Solution
Beta LEDway Street Light• 78 system watts• 65 lumens per watt• 75 CRI• L70 life 150,000 hours
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Founders Essex, VTMemorial School
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Founders Essex, VTMemorial School
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Example Economics
Replace 250W MH with Beta LEDway Steet Light
• Save 217 watts per fixture – 74%!
• Estimate installed cost $800 per fixture
• $100 Efficiency Vermont rebate
• 4.7 year payback(includes maintenance savings, assumes 4380 hours and $0.13/kWh)
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Applications – Canopy Light
Fixture Type Location
Exterior - Area Light Holiday Inn Express, Brattleboro
Exterior - Street Light Founders Memorial, Essex
Exterior - Canopy Light Short Stop Mobil, Derby
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Short Stop Mobil - Derby, VT
Existing Equipment400 watt metal halide
(455 system watts)
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Short Stop Mobil - Derby, VT
LED Solution
LSI Crossover Canopy Light• 130 system watts (100 LED)• 60 lumens per watt• 75 CRI• L70 life 60,000 hours
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Short Stop Mobil - Derby, VT
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Example Economics
Replace 400W MH with LSI Crossover Canopy Light
• Save 325 watts per fixture – 71%!
• Estimate installed cost $700 per fixture
• $100 Efficiency Vermont rebate
• 2.9 year payback(includes maintenance savings, assumes 4380 hours and $0.13/kWh)
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Derby, VT
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Derby, VT
![Page 63: New Opportunities in Outdoor Lighting · Utility Owned Streetlights Many street, area, and flood lighting is owned by the utilities Paid for through special outdoor lighting rate](https://reader036.vdocuments.net/reader036/viewer/2022081323/5f0839637e708231d420f351/html5/thumbnails/63.jpg)
Optimal Energy, Inc.14 School St.Bristol, VT 05443
802-453-5100
Thank you
Gabe Arnold