What's that light cost you?

  1. Select your electric rate (or click to enter your own)
  2. You can calculate results for up to four types of lights. For each:
    1. Select the type of lamp (i.e. Incandescant, Fluorescent, etc.)
    2. Select the lamp wattage (lamp lumens)
    3. Enter the number of lights in use
  3. Finally, click Submit.



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