True Cost of Lighting

TRUE COST OF LIGHTING INCANDESCENT LIGHT BULBS CFL (COMPACT-FLUORESCENT BULBS) LED (LIGHT EMITTING DIODES) AVERAGE LIFESPAN: CONTAINS TOXIC MERCURY: INCANDESCENT 1,200 HRS CFL 10,000 HRS LED 50,000 HRS INCANDESCENT NO AVERAGE COST OF EACH: INCANDESCENT $1.25 CFL YES; 1 TO 5MG CFL $3.95 LED NO LED $35.95 COST OF ELECTRICITY OVER 50,000 HRS: CARBON DIOXIDE EMISSIONS: INCANDESCENT $300 CFL $70 LED $50 TOTAL COST FOR BULB(S) & ELECTRICITY OVER 50,000 HRS: %24 INCANDESCENT $352.50 CFL $89.75 4500 LBS/YR 1051 LBS/YR 451 LED $85.95 LBS/YR ALL 40 WATT ONLY 8 WATTS PER UNIT OF LIGHT BANNED IN 2014 • REDUCE GREENHOUSE GAS EMISSIONS 2011 "BRIGHT TOMORROW LIGHTING" WINNER PRICE $22 LIFESPAN SAVE 30,000 HRs $8 PER YEAR "If 60-watt incandescent bulb in the U.S. was replaced with every the 10-watt L Prize winner, the nation would save $3.9 billion in one year and avoid 20 million metric tons of carbon emissions" PHILIPS PHILIPS Lamps REFERENCES: http://www.huffingtonpost.com/2012/04/23/philips-twenty-20-year-led-lightbulb-prize-department-of-energy_n_1445780.html?ref=tw http://www.cbsnews.com/8301-205_162-57416128/introducing-the-S60-20-year-light-bulb/ http://www.designrecycleinc.com/led%20comp%20chart.html INCANDESCENT CFL