That would depend on your credit, it is possible to finance it for the same or nearly the same cost as your current electric bill. This also assumes that you can take advantage of the 30% income tax credit. GMP also has an “on bill” financing program that may work for you. Check our financing page for more information. It would not hurt to sign up and get the free site assessment with a cost proposal and then see if the finances work for you. Check the financing page too.