2. Portable Power Meter

A. The portable power meter was installed to monitor two 18W LED tubes with sensor at #85 ( Full power 18W/Eco power 6W)

B. The portable power meter was installed to monitor one 110W T12 8’ fluorescent lamp at #87 ( Always 110W)

 

4. Actual Data from portable power meter

A. Parking stall #85(2pcs of T8 LED 4' Tube with Sensor)

Date and time Energy Consumption Money
2013/12/16  13:00 The power meter was installed  
2013/12/23  11:00 1.39KWH $0.17
2013/12/30  12:00 2.99KWH $0.36
2014/01/06  13:30 4.59KWH $0.55
2014/01/20  12:00 7.77KWH $0.93
2014/02/04 13:00 11.15KWH $1.34
2014/02/10 15:00 12.53KWH $1.57
2014/02/18 13:00 14.56KWH $1.82
2014/03/04 14:00 17.54KWH $2.19
2014/03/18 15:30 20.77KWH $2.60

 

B. #87 (one T12 8'fluorescent lamp)

Date and time Energy Consumption Money
2013/12/16  13:00 The power meter was installed.  
2013/12/23  11:00 19.49KWH $2.44
2013/12/30  12:00 41.64KWH $5.21
2014/01/06  13:30 63.76KWH $7.97
2014/01/20  12:00 107.33KWH $13.42
2014/02/04  13:00 153.29KWH $19.16
2014/02/10  15:00 171.95KWH $21.49
2014/02/18  13:00 196.29KWH $24.54
2014/03/04  14:00 239.02KWH $29.88
2014/03/18  15:30 281.11KWH $35.14

Note: $0.125/KWH

 

C. Table of Energy Consumption and Hydro Bill( in 50 days)

 

#85 (2 LED Tubes)

Full Power 18W/ECO Power 6W

#87 (one T12 8'fluorescent lamp)

Always 110W

Energy(KWH) 20.77 KWH 281.11 KWH
Money($) $2.60 $35.14