One. Preset Amount: Consistent level dependant on use about an outlined period. Ideal if anticipating industry fee hikes but dangerous if costs drop in the course of the deal. 3. Indexed: Charge for every device determined by marketplace situations, fluctuating month-to-month using a components linked to the market settlement rate. https://energy-management-systems66432.fitnell.com/70355067/not-known-details-about-energy-purchasing