Putting in your own solar system can save you 40% on costs.
http://www.motherearthnews.com/do-it-yourself/solar-panels-for-your-home-zm0z11zphe.aspx
You may not have the knowledge but someone in your circle may.
Don’t forget to check the Database of State Incentives for Renewable and Efficiency (DSIRE) at www.dsireusa.org for information on rebates in your state.
Green Real Estate Appraiser 