• 4.28 North Dakota Electric Company estimates its demand trend line (in millions of kilowatt hours) to be:

D = 77 + 0.43Q where Q refers to the sequential quarter number and Q 5 1 for winter of Year 1. In addition, the multiplicative seasonal factors are as follows

Forecast energy use for the four quarters of year 26 (namely quarters 101 to 104), beginning with winter.

Transcribed Image Text:

QUARTER FACTOR (INDEX) Winter .8 Spring 1.1 Summer 1.4 Fall .7