Aluminum is the most abundant metallic element in the Earth's crust. Bauxite ore is the main source of aluminum. Aluminum is used in automobiles and airplanes (36%), bottling and canning industries (25%), building and electrical (14%) and in other applications (25%).
A: The average propane consumption per year for whole-house heating is estimated to be between 1200 and 1500 gallons per year for a 2,200 square foot home. However, the amount of propane a household uses varies depending on its specific uses in the household.
Thatâs an increase of 6.1 percent for electric service and 8.5 percent for gas. The changes would bring monthly bills up to $84.98 for a residential customer using an average 965 kilowatt hours per month, and up to $66.42 for a natural gas customer using an average of 65 therms per month, Avista said.