Is the Use of a Tracker for Home Photovoltaic Systems Worth the Extra Expense?

The sun is the ultimate source of energy for our planet. The rays of sun that fall on earth can prove to be a constant and cheap source of energy for a large percentage of the earths population. This goal is achieved with the help of home photovoltaic systems. The question to be answered is whether the extra solar gain provided by a tracker for home photovoltaic systems justifies the extra expense.

cdc aids living with aids handicap aids