Tracking Renewable Energy for the U.S. EPA’s Clean Power Plan: Guidelines for States to Use Existing REC Tracking Systems to Comply with 111(d)

Existing renewable energy certificate (REC) tracking systems hold promise as an enabler of 111(d) compliance with renewable resources such as solar and wind generation. REC tracking systems, together with state policies designed to increase the production and use of renewable electricity, will provide one key to helping states reduce the carbon intensity of their power sector.