Incandescent-to-LED-Relamping Energy Cost Savings Calculation Results:
LEDtronics Incandescent Replacement LED Lamp Saving Form
Calculated Estimated Savings*
Lighting System Present Lamp Used LEDtronics LED Replacement Part #
Lamp Life (Hours)
A
8000 100000
Lamp Price $
B
4.39 123.41
Lamp Wattage (Watt)
C
116 9.1
Lamp Part Number SYL12833 TRF208-0BG-120
A
A
nnual Operating Hours D 10.8
Labor $ Hourly Rate E 65
Rate Charged for per kWh $ F .067
Total Number of Lamps in Use G 60
Annual System Operating Costs
Lamps
(BxD÷A)G
H
$129.79 $291.89
Labor
(ExD÷A)G
I
$1,921.73 $153.74
Electricity
(CxDxFxG)/1000
J
$1,838.23 $144.21
Total
H+I+J
K
$3,889.75 $589.83
Estimated Savings with LEDtronics LED Lamps
A
nnual Savings
K1-K2=L
L $3,299.92
Simple Payback
(B2-B1)xG÷L
M 2.16 years
Return on Investment
L/[(B2-B1)xG]x100%
N 46.21%
Energy $ Saved Over Lamp
Life
(J1-J2)xA2÷D
O $42,973.80
Savings Over Lamp Life
LxA2÷D
P $83,711.70
Additional Notes
Western Extralite for Ft. Ustus Project. Green lamp duty cycle estimated at 45%/24hrs.
Form Prepared by: Ken Frederick
Company: Midtec
Phone: 913-522-7856 Email: kfrederick@midtec.com Date: 2/15/2010 8:21:18
A
M
* Savings may vary depending on application, fixture and burning position. Stated wattage are approximate.
A
ctual lamp wattage
may vary depending on design and manufacturing tolerances.