Orange County NC Website
CASE STUDY /ENERGY EFFICIENT MOTORS <br /> ( From 86.5% efficiency to >91.7%) <br /> Electric Motor <br /> COST ANALYSIS <br /> COST COMPARISONS <br /> @80% load <br /> (111)) Annual (Walls711p) Efficiency Load Ibhpl vn, r •;:v ,' r +++' ,i! %+r;hv,rs= F.!v H,s Cost Annual Cost <br /> Horsepower Hrs__O_n KW Factor (Ifs KW KWH KWH kwli_costikwh <br /> Standard Motor 20.00 8,/r;n.r)O 0. M6 ti(; h0^:, tr.80 1.1. 10 120,878 $0.08 :,:3.G/0.?:3 <br /> EE Motor ?0.00 .8,7f>0.O() 0.7.1 r; 5)1. 10 0.£30 13.02 111,02:3 X0.08 S ), 121 .85 <br /> Difference .i.71)", 0.7 ? G,£355 O 55.18.:37 <br /> PAYBACK COMPARISONS <br /> lncurrr�cl F',�yl7ar.k Inlc!rrt�l Fatr, <br /> cost HAS Year, of Return <br /> Scenario 1 !Replace Motor Now $710.00 ; 5.1 , 7 1.- 77� • note: without labor cost <br /> $E)1 r).00 >118.a/ 1.l>(3 (;O^;> note: with motor and labor cost <br /> Scenario 2 /Replace Motor at Burnout $397.00 $5,18.;37 0.7? 13113°,c- note.: Motor Cost Difference <br /> (=$710.00-$313.00 for rewind) note: Cost Difference; labor incurred with burnout <br /> Scenario 3 /Purchase @Installation $185.00 $548.37 0.34 296% note: Motor Cost Difference = $185.00 <br /> (=5710.00-5525.00 initial purchase) note: No Additional labor. <br /> I 'EE Motor Cost = $710 <br /> Standard Motor Cost = $525.00 ) <br /> Energy Investmants that Beat the DOW <br />