LED Savings and ROI Calculator

STANDARD LIGHTING
Watts per bulb
# of Fixtures/Bulbs
# of Hours per Day
# of watts per day	Lighting usage watts per day
Divided by 1000(kWh)	Kilowatt hour light usage
# of Working Days
Total kWh per month	Lighting kilowatt hours per month
current kWh cost	$
Maintenance & Ballast Monthly (p/bulb)	Ballast Monthly Cost
Maintenance & Ballast Monthly Total	Ballast or starter monthly total
Cost per month to burn
Cost per month to burn w/HVAC
Total annual cost to operate
Total annual CO2 Emissions (metric Tons)
HVAC Loads @ % monthly cost factor

LED Lighting
Watts per bulb
# of Fixtures/Bulbs
# of Hours per Day
# of watts per day
Divided by 1000(kWh)
# of Working Days
Total kWh per month
kWh cost	$
Cost per month to burn

Total annual cost to operate
Total annual CO2 Emissions (metric Tons)
Emissions Reduction (metric Tons)


Total Savings Monthly with LED
Total Savings Annually with LED
Total Savings over 10 Years
LED Bulb Cost	$
Total Cost to retrofit with LED
Total Savings Percentage with LED
Total CO2 Emissions Reduction
ROI in Months