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ENVIRONMENTAL IMPACT <br />XTRALIGHT SERVICES ENERGY EFFICIENT LIGHTING UPGRADE FOR ORANGE COUNTY HEALTH CENTER <br />Existing System Proposed Solution <br />Annual KWh 181,329 Annual KWh 81,145 <br />Energy used per yr.$16,320 Energy used per yr.*$7,303 <br />HVAC KWh saved per yr.0 <br />Energy Savings per yr.*$9,017 <br />The Cost of Waiting <br />Not changing your lights could be costing you money! <br />Cost of waiting or postponing $751 per month $9,017 per year* <br />Environmental Impact of Lighting Upgrade <br />Changing your lights can benefit the environment! <br />Annual Carbon <br />Dioxide (CO2 ) <br />emission reduction <br />154,283 <br />Coal burning avoided <br />72,095 <br />Equivalent acres of forest <br />added <br />19 <br />lbs.lbs. or acres <br />Annual Sulfur Dioxide <br />(SO2 ) emission <br />reduction <br />606 33 Equivalent # cars removed <br />from road <br />13 <br />lbs.tons per yr.cars <br />Annual Nitrogen Oxide <br /> (NO, NO2) reduction <br />297 Atmospheric mercury <br />contamination avoided <br />1,557 50% US Electric Power Generation in 2005 <br />came from coal-burning power plants. lbs.mg. per yr. <br />Numbers used (based on EPA Energy Star Facts and Assumptions sheet, 2007) <br />Emission Factors: per kWh Carbon dioxide & mercury released per lb. of coal Annual carbon dioxide (lbs.) <br /> lbs. of CO2 released 1.54 lbs. of CO2 generated 2.14 CO2 sequestration per acre 8066 <br /> lbs. of SO2 released 0.006044 lbs. of mercury <br />released 0.0216 CO2 emission per average <br />car 11,470 <br /> lbs. of NOx released 0.002967 Click here to open EPA Energy Star Facts and Assumptions sheet, 2007. <br />* Savings includes HVAC reduction <br />Some interesting environmental impact numbers from EPA Facts and Assumptions sheet. 2007. <br />CFL’s represent a net reduction in mercury emissions because of the coal burning avoided. A <br />10,000 hr. 26W CFL replacing a 100W incandescent bulb avoids the burning of 500 lb. of coal <br />over its life. CFL’s represent less than 0.01% of gross US mercury emissions. Mercury <br />emissions contributed by all types of fluorescent lamps from all sectors is about 1% of human- <br />caused mercury released into the environment each year. <br />Docusign Envelope ID: 73815A84-8F24-48F3-87F6-02EE804F8E44