Southwest Montana has as many solar producing sun hours per day as Florida.

http://www.wholesalesolar.com/Information-SolarFolder/SunHoursUSMap.html

Solar Electric systems qualify for a $6000 grant and a 30% Federal tax credit.

http://www.dsireusa.org/incentives/incentive.cfm?Incentive_Code=US37F&re=1&ee=1

A simple 2 kW system will increase your home value over $5000

National Association of Appraisers says that for every $1 in energy saved annually the home value increases $20

http://green.blogs.nytimes.com/2011/04/21/study-finds-solar-panels-increase-home-values/