IES National » Environmental Impact Calculator

		Environmental Impact Estimator
Calculate the environmental impact associated with upgrading the lighting system. Click on the first green cell and tab to the other input cells. Note graph at bottom of page. Click "Calculate!" to see the results.
INPUT
Number of Fixtures		Hours burned per year		Cost per kWh $
Watts per Fixture (Current System)		Watts per Fixture (Proposed System)
OUTPUT
Energy Savings per yr. (kWh)		Energy Savings per yr. $$
Environmental Impact of Lighting Upgrade
Carbon Dioxide (CO₂) emission reduction per yr. (lbs.)		Air pollution reduction equivalence (acres of forest added)		Air pollution reduction equivalence (number of cars removed from the road for a year)
Assumptions Used
Electricity Carbon Emission Factors (EPA 2003)		Annual CO₂ sequestration per forested acre (EPA 2003)		Annual CO₂ emission per average Passenger Car (EPA 2003)
Electricity Carbon Emission Factors (EPA 2003)	lbs.CO2 / kWh	Annual CO₂ sequestration per forested acre (EPA 2003)	lbs. CO2	Annual CO₂ emission per average Passenger Car (EPA 2003)	lbs.CO2
The Environmental Impace Estimator is a tool offered by IES that examines the projected impact of lighting decisions. Neither this tool nor the analysis generated by this tool, in any way constitutes or implies either a warranty of lamp or ballast performance or a guarantee of the actual costs or savings that will be realized or the appropriateness of the solutions suggested. Kindly see and examine the Full Disclaimer; use of this tool constitutes your acceptance of the Full Disclaimer.
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