What is the cost per Sq ft for solar panels?

solar panels cost in the u.s. graphic You've probably heard about how solar energy can reduce your electricity bills, but how much do solar panels really cost? read more

Solar panels aren't sold by the square foot, they are sold by the watt. Different technologies -- monocrystaline, polycrystaline, amorphous silicon, etc. -- have different average prices per watt. There are some numbers which can be tossed out there. read more

Again, the point is that the cost of a solar panel system is directly tied to how much electricity a homeowner uses, not the size of a roof. The typical 5 kilowatt system will take up between 350 and 400 square feet. read more

For example: A system that costs $18,000 has a payback period of about 20 years. The cost of a solar panel today is around $3 per watt, and the extra cost of installation brings costs up to $5- $6 per watt. read more