The Lighting Resource

DaySwitch Field Test Demonstrates Simple Daylight Harvesting Technology To Save Energy Lighting accounts for about one-quarter of the electricity consumed by the commercial sector in the United States and energy-efficient lamps, ballasts, and lighting controls represent significant opportunities to save energy, money and reduce CO2 emissions associated with fossil fuel electric generation.  Lighting control manufacturers [...]

1000 Watts  =  1 kWh 1 kW  X  8760 hours  =  8760 kWh 8760 kWh  X  $.10 (rate)  =  $876.00 Annual Cost of operation In short, if you pay ten cents per kilowatt hour, and you have 1000 watts of electricity on 24 hours a day, you would pay $876.00 on your electric bill Now, [...]

Convert your Watts into Kilowatts.                                          (kW) The electric company charges you a rate that is expressed in Kilowatts.  Dividing the wattage by 1000 converts Watts into Kilowatts.  For example 1000 Watts equals 1 Kilowatt or kW.  Multiply the Kilowatts by time.                                                           (kWh) The electric company multiplies the amount of Kilowatts consumed by the [...]

Lighting in terms of dollars These days everyone talks about saving energy.  Compact fluorescent lamps, LED’s, and dimmers seem to be leading the charge as a means to reduce energy and save money.  What does this mean in terms of dollars saved?  “How long is the payback?” some people will ask.  The payback being the [...]