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Center for Resource Solutions and Regulatory Assistance Project, 2014. 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). Center for Resource Solutions, v1.1, July.
Englum, L., et. al., 2014. Leading from the Middle: How Illinois Communities Unleashed Renewable Energy. World Wildlife Foundation in collaboration with Environmental Law & Policy Center, Sierra Club, Illinois Solar Energy Association, LEAN Energy U.S., GW Solar Institute, Go Clean Go Local Coalition.
Proudlove, A., Kennerly, J., Chung, D., 2014. Solar PV Deployment through Renewable Energy Tariffs: An Option for Key Account Customers. North Carolina Clean Energy Technology Center.
Tawney, L., Baker, B., Spitzer, M.A., 2014. Corporate Renewable Energy Buyers' Principles: Increasing Access to Renewable Energy. World Wildlife Fund/World Resources Institute. July.
U.S. Environmental Protection Agency, 2014. Green Power Procurement: A Guide to Developing and Implementing Greenhouse Gas Reduction Programs. Local Government Climate and Energy Strategy Series. EPA 430-R-09-045 (PDF 890 KB)