Sharing a few links here that will help you understand what's happening in the market with new funding models to support community supported Clean Energy alternatives. One of these is the Mosaic investment platform -
Caveats - If you reside in a state other than California, Colorado, Oregon, Nevada, or New York, you may only invest on the Mosaic platform if you are an accredited investor, as defined by the U.S. Securities and Exchange Commission, e.g., amongst other factors, networth, degree of indebtedness and income level which must exceed $200,000 in each of the last two years if an individual or joint income with spouse exceeding $300,000 in each of those years with reasonable expectation of reaching the same income level current year.
Check out Community Power Network page on Replicable Models - http://www.communitypowernetwork.com/node/144
More information available on SJC's Resources / Links page