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Residential > Managing Your Energy at Home > Energy Efficiency Tools

Energy Cost
Type Size> Cost>
Lighting - Incandescent
Bulb 40 Watts ¼¢ per hour
Bulb 60 Watts ½¢ per hour
Bulb 100 Watts ¾¢ per hour
Spot Light 150 Watts 1¼¢ per hour
Bulb 250 Watts 2¢ per hour
Bulb 300 Watts 2¼¢ per hour
Lighting - Fluorescent (with ballast) 40 Watts ¼¢ per hour
Shop Light 2 - 40 Watts ¾¢ per hour
Lighting - Mercury Vapor (with ballast) 50 Watts ½¢ per hour
  175 Watts 1¼¢ per hour
Lighting - High Pressure Sodium (with ballast) 35 Watts ¼¢ per hour
  70 Watts ½¢ per hour
  100 Watts ¾¢ per hour
Lighting - Quartz 150 Watts 1¼¢ per hour
Lighting - Gas (outdoor) 2,125 Btu/hr 1¼¢ per hour
Makeup Mirror 40 Watts ¼¢ per hour

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