Renewable Energy Credits are also called as “Renewable Energy Certificates” or “RECs”. These are tradable credits in the Unites States which are generated from renewable sources which are producing power. The solar renewable energy certificates are RECs which are specifically originated by solar energy. It will supply a mechanism for the purpose of renewable energy that added to and pulled from the electrical grid. RECs represent the environmental attributes of power that are generated from renewable energy projects. They are sold singly from commodity electricity. RECs can be traded between developers, end users and financial firms.