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Types of Schedules

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As individual rate components are added to model a tariff rate, each can have its own schedule, which is what provides the flexibility in Create A Rate.

Note: Once you create a schedule for a rate component, you can copy and paste to any other rate component. For example, if “Off Peak Consumption” and “Off Peak Demand” have the same schedule, the user can configure the schedule for one and apply to the other. Simply right-click on the parent schedule created for one, and copy into the “Rate Component Schedule” dialog box for the next and click Apply.

There are five schedules that can be applied plus the Intersection of Schedules and Union of Schedules.

Figure 3-20 Add a Schedule.

• Daily Schedule

  Allows users to set the time of day a fee is valid. If a fee is applicable at two times (for example 8:00 AM to 10:00 AM and again from 4:00 PM to 6:00 PM), the user will either use a Union of Schedules with two Daily Schedules as children, or will define the time of day the fee is not applicable and check the “Exclusive” check box.

• Day of Week

  Allows users to define the days applicable to the rate fee. On peak and partial peak times are generally going to be associated with weekdays.

• Month of Year

  Allows users to define which month or months a rate is applicable.

• Time Range

  Allows users to define the exact Start and End time for a schedule, in terms of (time and date) for a rate component. For example, June 21 at 11:45 through Oct. 19 at 11:45.

• Bill Period Length Schedule

  Allows users to define the number of days (or range of days) that the billing period must cover in order for the rate component to be valid. This is used when an initial kWh charge is prorated. For example, if a bill is for 30 days, then the first 750 kWh might be for a certain set price. However, if the bill is for 31 days, then the set price might be for the first 775 kWh. Or, if the bill is for only 29 days, then the initial kWh charge might cover just the first 725 kWh. This schedule may be applied to Fee per Unit, Scheduled Fee Per Unit, Peak Charge, Scheduled Peak Charge, Ratchet, or Historical Ratchet.

• Union of Schedules

  Allows users to add subsequent schedules that have a valid fee for one or the other. For example, a union of daily schedules for 8:00 AM to noon, and 16:00 to 20:00 would be two daily schedules under a union. When the time of day falls into either of these daily schedules, the fee applies.

• Intersection of Schedules

  Allows users to add subsequent schedules that intersect. For example, this can be used when a rate is valid for June through October, Monday through Friday, from noon to 4:00. When each of these three variables (schedules) intersects, the rate will apply.

Figure 3-21 Intersection of schedules.

There can be multiple layers of union schedules, intersect schedules, and individual schedules. For example, a rate that applies Monday through Friday from 12:00 through 8:00 and again from 18:00 through 12:00, as well as all day on Saturday and Sunday, would have a Union of Schedules, as follows:

Day of Week schedule identifying Saturday and Sunday, with an Intersection of Schedules, with the

• Day of Week schedule identifying Monday through Friday
• and a Union of Schedules under it to show two daily schedules that the rate would apply during weekdays (see Figure 3-22).

Figure 3-22 Example of Multiple Union Schedules.

• Exclusive

  The exclusive option allows the user to exclude certain periods for a rate. For example, if the “on peak” period is from 10:00 to 16:00 and all other times are off peak, enter a peak energy charge with corresponding Daily Schedule, then simply duplicate the rate component and select the “Exclusive” check box to apply a new rate to all other times. This check box is for convenience only. See the example in Figure 3-23.

Figure 3-23 Exclusive Schedule.