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Electric Lighting Consumption

Electricity Consumption Chart

Lighting is the single biggest user of electricity

  • Incandescent Light Bulb – 1-4% efficient
  • Fluorescent – 15-25% efficient
  • LED - 20-52% efficient (60-80% theoretical)


* "DOE Solid State Lighting Status and Future" SPIE Annual Meeting 2004
**J. R. Brodrick, "DOE Solid State Lighting Status and Future" Report for Dept. of Energy