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Tip #208

Insulate hot and cold water pipes above the water heater(s).

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Fort Collins Utilities is an equal opportunity residential and commercial utility service provider. We do not discriminate in the terms, conditions or provision of services based on race, color, religion, sex, disability, familial status or national origin.


Fort Collins Utilities es una empresa proveedora de servicios públicos residenciales y comerciales con igualdad de oportunidad. No discriminamos en los términos, las condiciones o la provisión de servicios en base a raza, color, religión, sexo, discapacidad, estatus familiar o nacionalidad de origen.

Coincident Peak


Each month, there is one hour when the most electric demand is requested from Platte River Power Authority, Fort Collins Utilities' wholesale electric supplier. This is known as the peak hour. Coincident peak is the facility's electric demand, or rate of energy use, during the peak hour.

For customers with rate codes in the E300 or E400 series, coincident peak charges typically account for 23% of their electric bill—yet are based on only 12 hours per year (the peak hour of each month).

When It Occurs

The peak hour typically occurs on weekdays during the afternoon or evening, depending on the season of the year.

  • June - September:
    mid-to-late afternoon on a very hot day
  • November - March:
    early evening on a very cold day
  • April, May, and October:
    early afternoon on a very warm day or early evening on a very cold day
Coincident Peak Data 2004-2013

The number in each box is how many times the peak occurred in the indicated hour.

Learn how to reduce your coincident peak charges with load management.

Fort Collins Utilities offers programs, incentives and tips to help businesses conserve.