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<br />LED lighting alternate priced at $40,500
<br />Payback on this system is anticipated in 10.1 yrs
<br />Doesn't save as much energy
<br />as geothermal and solar due to
<br />smaller scale, but quicker
<br />payback
<br />Savings include lower
<br />maintenance and
<br />replacement costs
<br />Net Present Value of LED Alternate vs. Base Bid
<br />RESULTS
<br />nt- Rate of Return (IRR) 14.6%
<br />Net Present Value (NPV) 5259,672
<br />i
<br />Year
<br />Capital
<br />Energy
<br />Maintenance
<br />Replacement
<br />Annual Cash
<br />Flow
<br />Present Value
<br />Running Total
<br />NPV
<br />0
<br />440,500
<br />$40,500
<br />$10,500
<br />440,500
<br />1
<br />$701
<br />$701
<br />$674
<br />$39,826
<br />i 2
<br />$736
<br />$736
<br />$601
<br />439,145
<br />i 3
<br />1 $773
<br />$773
<br />$687
<br />- $38,457
<br />4
<br />$812
<br />$812
<br />$694
<br />437,763
<br />5
<br />1852
<br />$12,503
<br />513,355
<br />$10,977
<br />426,786
<br />i 5
<br />$895
<br />$895
<br />$707
<br />$26,079
<br />i 7
<br />$940
<br />$940
<br />$714
<br />425,365
<br />8
<br />$987
<br />$987
<br />$721
<br />424,644
<br />9
<br />$1,036
<br />$1,036
<br />$728
<br />423,916
<br />i 10
<br />11,088
<br />$15,957
<br />$17,045
<br />$11,515
<br />412,401
<br />i 11
<br />$1,142
<br />$1,142
<br />$742
<br />411,658
<br />12
<br />$1,200
<br />$1,200
<br />1749
<br />410,909
<br />13
<br />$1260
<br />$1,260
<br />$755
<br />410,153
<br />i 14
<br />$1,322
<br />$103,396
<br />$104,720
<br />$60,473
<br />$50,320
<br />i 15
<br />$1,389
<br />$20,366
<br />$21,754
<br />$12,079
<br />$62.400
<br />i6
<br />$1,458
<br />$1,458
<br />$778
<br />$63,178
<br />17
<br />11,531
<br />$1,531
<br />$786
<br />$63,964
<br />i 18
<br />$1,508
<br />$1,608
<br />$794
<br />$64,758
<br />i 19
<br />$1.588
<br />$1,688
<br />$801
<br />$65,559
<br />20
<br />$1,772
<br />$25,992
<br />$27,764
<br />$12,671
<br />$76,230
<br />21
<br />$1,861
<br />- $79,519
<br />$77,658
<br />434,079
<br />$44,151
<br />i 22
<br />$1,954
<br />$1,954
<br />$824
<br />$44,976
<br />23
<br />$2,052
<br />$2,052
<br />$832
<br />$45,808
<br />i 24
<br />$2,154
<br />$2,154
<br />$840
<br />$46,648
<br />25
<br />$2,262
<br />$33,173
<br />$35,435
<br />$13,292
<br />$59.941
<br />26
<br />$2,375
<br />$2,375
<br />$657
<br />$60,797
<br />1 27
<br />$2,494
<br />$2,494
<br />$Bfi5
<br />$61.662
<br />i 26
<br />$2,518
<br />$204,720
<br />$207,339
<br />$69,143
<br />$130,805
<br />L 29
<br />$2,749
<br />$131.687
<br />i 30
<br />$2,887
<br />$42,339
<br />$4$2,749
<br />5,725
<br />$13$882
<br />,944
<br />$145,631
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