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["Exterior Lighting Conversion"]
["(Replacement of Lamp and Ballast)"]
[]
["Description of UCRM:",null,null,null,"(Data needed:  location, use, age of fixtures, type of existing lamp/ballast, type of new"]
["lamp/ballast, life of new lamp, fc level before conversion, estimated fc level after conversion1)"]
[]
[]
[]
[]
["1Assume that lumens before/lumens after = fc before/fc after"]
[]
["Data needed for calculations",null,null,null,null,"Description",null,null,null,null,null,null,null,"Resource"]
["A)",null,null,"Watts/Fixture",null,"Wattage of Existing Lamp and Ballast",null,null,null,null,null,null,null,"Table 12"]
["B)",null,null,"Watts/Fixture",null,"Wattage of Replacement Lamp and Ballast",null,null,null,null,null,null,null,"Table 12"]
["C)",null,null,"hrs",null,"Summer Operating Hours"]
["D)",null,null,"hrs",null,"Winter Operating Hours"]
["E)",null,null,"Luminaires",null,"Total Number of Existing Luminaires Involved"]
["F)",null,null,"Luminaires",null,"Total Number of Replacement Luminaires Involved"]
["G)",null,null,"$/kWh",null,"Electrical Energy Rate - Summer"]
["H)",null,null,"$/kWh",null,"Electrical Energy Rate - Winter"]
["I)",null,null,"Luminaire",null,"Installed Cost per Luminaire/Lamp/Ballast Combination"]
[]
["Calculations"]
["J)","Annual Electrical Energy Savings",null,null,null,"=","(A * E - B * F) * (C + D) / 1,000",null,null,null,"=",{"$f":"(B13*B17-B14*B18)*(B15+B16)/1000","v":0},null,"kWh"]
[]
["K)","Annual Cost Savings",null,null,null,"=","J * (G + H) / 2 ",null,null,null,"=",{"$f":"L24*(B19+B20)/2","v":0},null,"$/yr"]
[]
["L)","Implementation Cost",null,null,null,"=","I * F",null,null,null,"=",{"$f":"B21*B18","v":0},null,"$"]
[]
["M)","Simple Payback",null,null,null,"=","L",null,null,null,"=",{"$f":"L28/L26","v":{"$error":"#DIV/0!"}},null,"yrs"]
[null,null,null,null,null,null,"K"]

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