2013-05-28_PWETC_AgendaPacket - Laserfiche WebLink

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Attachment A LED Retrofit Four Year Plan 2013 -2016 With the Council approved funding for street light replacement, staff has drafted a time line for light replacement. This is proposed to be a three to four year project to replace lights in six areas in the City. Area #1— 2013 North Larpenteur Avenue 31 pedestrian walkway lights: 70 watt lamps and ballast replaced with a 42 watt LED lamp City Hall Campus Buildings 11 wall pack lights: 70 watt Metal Halide replaced with a 14 watt LED fixture 16 wall pack lights: 100 watt Metal Halide replaced with a 37 watt LED fixture 2 recess cans: 70 watt Metal Halide in the canopy replaced with a 16 LED can fixture Area # 2 — 2014 County Road B -2 8 pedestrian walkway lights: 150 watt lamps and ballast replaced with a 90 watt LED lamp City Hall Campus Area 32 pedestrian walkway lights: 150 watt lamps and ballast replaced with a 90 watt LED lamp 12 shoe box parking lot lights: Retrofit existing lights with LED kit to maintain the existing wattage Area # 3 — 2015 County Road C 37 pedestrian walkway lights: 150 watt lamps and ballast replaced with a 90 watt LED lamp Area # 4 — 2016 North Larpenteur Avenue 9 overhead streetlights: 200 watt replaced with TBD County Road B2/ 35W bridge 13 overhead streetlights: 200 watt lamps replaced with TBD County Road B2/ Pascal Street 2 shoe box overhead streetlights: 200 watt replaced with TBD The savings for these replacements is listed below. It involves hours of operation per day and the amount of labor saved by not having to replace bulbs and ballasts every year. Street Lights & Pedestrian Lights based on 12 hours per day operation (Payback normally between 2 -3 years) • 400w MH drawing 456w /hr @$.12 /kwh costs $239.67 per year in electric costs. • 90w LED Retrofit Light Kit @$.12 /kwh costs $51.51 per year in electric costs. • Savings of $188.16 per year per fixture plus an average of $85 per year in maintenance= $273.16/year Building LED Lighting Retrofit Kits (Average payback is 1.8 to 2.5 years) • 175w MH drawing 210w /hr @$.12 /kwh costs $220.75 per year in electric costs • 54w LED Retrofit Light Kit @$.12 /kwh costs $56.73 per year in electric costs