LED Cost Savings Calculator

Making the switch to LED lighting? Answer the following questions on your current lighting usage, plus the LED replacement, to calculate your savings.


Number of fixtures to be replaced

units

Old fixture (to be replaced)

Watt
AUD$
Incandescent / Halogen: 1,250 hours
Metal Halide: 6,000 hours
Fluorescent/CFL: 8,000 hours
Pulse Start Metal Halide (PSMH): 15,000 hours
High Pressure Sodium (HPS): 20,000 hours

LED fixture (new fixture)

Watt
AUD$
LED: 50,000 hours

Energy rate (electricity cost)

The average residential price of electricity in Australia is 28c/kWh.


Hours of operation


Other factors (optional)


Results

Number of light units to be replaced to LED units:

 
Old fixture
LED fixture
Initial cost
Wattage
Electricity cost ()
Lifespan (continuous use)
Lifespan when used for
No. of times an old fixture to be replaced each year
-
No. of times an old fixture to be replaced during the LED fixture's lifespan
()
-
Cost of replacements each year
([bulb cost] × [Number of replacement per year])
-
Annual labour cost for relamping
([Labour cost per relamping] × [Number of replacement per year])
-
Total annual cost
([Cost of replacing fixtures] + [Electricity] + [Labour cost])

(same as the annual electricity cost)
Total cost
(after )
Total savings /w LED fixture (ROI)
(after )
Break-even point (per unit)
(The amount of time necessary to save as much money as you invested initially)