Energy use comparison in Commercial buildings

Obtained from: http://www.theledcompany.ca/retrofit/

Bulb Type Yearly Consumption $ Retrofit Savings $/Yr Saving %
Existing LED Retrofit 1 Bulb 100 Bulbs
GU10/MR16/Candle $   28 $     4 $   24 $   2,400 85 %
PAR20 $   35 $     6 $   29 $   2,900 82 %
PAR30 $   52 $   11 $   41 $   4,100 78 %
PAR38 $   63 $   14 $   49 $   4,900 78 %
LED Panel 4×2 $ 140 $   50 $   90 $   9,000 64 %
LED Panel 2×2 $   70 $   25 $   45 $   4,500 64 %
High Bay/St. Light $ 315 $ 105 $ 210 $ 21,000 67 %
Based on 16 hour daily use for 365 days a year. Rate of $0.12/Kwh 
was used. GU10/MR16/Candlelight = 40 Watt & 6 Watt. PAR 20 = 50 Watt 
and 8 Watt. PAR30 = PAR38 = 90 Watt & 20 Watt. 2x4 = 200 Watt & 
72 Watt. 2x2 = 100 Watt & 36 Watt. High Bay/Street Light = 450 Watt 
& 150 Watt.

In addition, LED bulbs can last up to 25 times longer than incandescent bulbs minimizing the need for replacements savings you thousands of dollars in maintenance savings. Energy and maintenance savings along with government rebates can bring the ROI under one year in many cases!

Retrofit Project Example

Bulb Type # of Bulbs Current Yearly Consumption $ Yearly Consumption with LED Retrofit $ Savings$   
MR16 100 $  2,800 $     400 $   2,400
Candlelight 300 $  8,400 $  1,200 $   7,200
PAR20 120 $  4,200 $     720 $   3,480
PAR38 150 $  7,800 $  1,650 $   6,180
A19 75 $  3,150 $     420 $   2,730
Wallpacks 15 $  1,970 $     710 $   1,260
Yearly Energy Savings $ 23,250
Yearly Maintenance Savings $   5,000
Total Yearly Savings $ 28,250

Project Cost (Products + Installation + Disposal)    $ 35,000

Government Rebates                                                            $ 12,250

Net Project Cost                                                                      $ 22,750

Return On Investment 0.80 Years!

Based on 16 hour daily use for 365 days a year. Rate of $0.12/Kwh 
was used. GU10/MR16/Candlelight = 40 Watt & 6 Watt. PAR 20 = 50 Watt
 and 8 Watt. PAR30 = PAR38 = 90 Watt & 20 Watt. 2x4 = 200 Watt & 72 
Watt. 2x2 = 100 Watt & 36 Watt. Wallpack  = 250 Watt & 90 Watt. 
Maintenance savings are estimates based on product and installation 
cost. Estimates only, actual project data differ based on products 
and energy consumption.

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