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Energy Efficiency
& Energy Costs
Incandescent Light Bulbs Compact Fluorescents (CFLs) Light Emitting Diodes (LEDs)
Life Span (average) 1,200 hours 8,000 hours 50,000 hours
Light Output for 1 Watt 8-10 Lumens 30-45 Lumens 110-150 Lumens
Watts of electricity used (Equivalent to 60 watt bulb). LEDs use less power (watts) per unit of light generated (lumens). LEDs help reduce greenhouse gas emissions from power plants and lower electric bills 60 watts 13-15 watts 6 – 8 watts
Kilo-watts of Electricity used (30 Incandescent Bulbs per year equivalent) 3285 KWh/yr. 767 KWh/yr. 329 KWh/yr.
Annual Operating Cost (30 Incandescent Bulbs per year equivalent) Rs 14760/year Rs 3420/year Rs1400/year
Environmental Impact Incandescent Light Bulbs Compact Fluorescents (CFLs) Light Emitting Diodes (LEDs)
Contains the TOXIC Mercury No Yes – Mercury is very toxic to your health and the environment (contains 1mg-5 mg) No
Carbon Dioxide Emissions (30 bulbs per year) Lower energy consumption decreases: CO2 emissions, sulfur oxide, and high-level nuclear waste. 4500 pounds/year 1051 pounds/year 451 pounds/year
On/off Cycling Switching a CFL on/off quickly, in a closet for instance, may decrease the lifespan of the bulb. Some Yes – can reduce lifespan drastically No Effect
Durability Not Durable – glass or filament can break easily Not Durable – glass can break easily Highly Durable – LEDs can handle jarring and bumping
Heat Emitted 85 btu’s/hour 30 btu’s/hour 3.4 btu’s/hour

Our Aim!

  • Creating ultimate awareness towards solar energy.
  • Creating more employment scope.
  • Assuring energy security & pollution free environment for present & future generation.
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