The polar jet stream often plunges southward. When this happens, it can drive cold fronts to regions as far south as Florida. When the polar jet stream plunges south over the United States during the winter time, it is sure that some very cold weather will follow. It changes condensation forms, causes strong storms, thus, transporting cold air.
The reason why the electricity could decrease is because the population of the town’s people has gone down causing the electricity rate to decrease. Hope this helps you.