Learning About On-Peak Demand
Time of Day:
- In the summer season (June-Sept.), the On-Peak Demand has occurred between 4pm and 8pm 95% of the time over the most recent ten years.
- Outside of the summer months, 88% of the peak occurred between the hours of 7 and 9 (could be AM or PM with AM being considerably more probable).
- Throughout the course of the year, the peaks split evenly between AM and PM peaks with AM being more probably for cold-weather peaks and PM being more probably for warm-weather peaks. A detail breakdown is listed below:

Day of the Week:
89.17% of peaks have occurred on weekdays as opposed to weekends over the past ten years.
Guaranteed Off-Peak Periods:
Basin Electric (wholesale supplier) offers what they call a "Demand Period Waiver". The timeframes below are guaranteed not to be billable peaks.
Base Rate Demand Period Waiver | |
---|---|
Month | Base Rate Demand Waiver Period Central Prevailing Time (CPT) |
June, July, August, September | 10:00 p.m. - 11:00 a.m. |
January, February, March, April, May, October, November, December | 10:00 p.m. - 6:00 a.m. & 11:00 a.m. - 5:00 p.m. |
*** Basin Electric will maintain the Demand Period Waiver Rate through 2028; and it is Basin Electric’s Board’s intent to maintain the Demand Period Waiver through 2030, unless the impacts of the Demand Period Waiver results in Basin Electric needing to add additional generation capacity***
