The following quote from a May 2015 publication implicitly defines Community Solar, presents arguments for it and outlines how it is financed and administered:

• “Since 2010, residential solar installations have added more than 2,500 megawatts of clean energy -- Enough to power more than two million homes for a year.  Yet nearly 75% of residential rooftop space is prohibited from participating in individual programs such as net metering due to structural constraints or ownership issues.  Community solar aims to resolve this impediment, providing restricted residents access to solar in a virtual fashion.  An administrating entity will cover the cost of installing a large solar array and recoup these costs by allowing co-investors to buy into the project. Co-investing participants then receive the benefits from their share’s solar energy production. ”

This same report points out that i) there are Community Solar [CS] programs in 19 states including Washington, D.C. and ii) D.C.’s CS regulation requires that instantaneous excess generation is not “stored for future use” by the owners of the CS, but instead is given to the low-income community.  These last two sentences are significant because they concern decisions made by utility regulators based upon due consideration for the passing the non-participant test.

• This works for the owners of CS because the economics of CS at grid scale is so favorable that they can afford to give much away.
• Key to Community Solar's continued use and expansion is the choice of pricing / financing.  Heretofore, most CS installations paid their way using Net-Energy Metering but since NEM is deemed a subsidy in a growing number of utility jurisdictions its use for both rooftop solar and CS is in great jeapardy.  CLEP defeats this problem because it is not a subsidy and pays as well or better than retail prices.
• Community Solar at grid scale, e.g., a 1 MW farm, installs at 1/3 the costs of rooftop and therefore pays back 3 times as fast.
• Thus grid-scale Community Solar is 3 times as accessible as rooftop and pays back 3 times faster as well.
• None of these benefits of CS are available without a pricing policy like CLEP.