Modeling Goes On for the CPP

Although the fate of the CPP remains uncertain, groups continue to model different scenarios that assume its implementation.  In a recently released report, the Center for Climate and Energy Solutions (C2ES) compared five studies concerning CPP implementation. (Specifically, the studies are by MJ Bradley & Associates, the Energy Information Administration, the Bipartisan Policy Center, the Center for Strategic and International Studies and the Rhodium Group, and the Nicholas Institute for Environmental Policy Solutions at Duke University.)  C2ES identified several results that are consistent across all the studies, including: mass-based and rate-based plans yield similar cumulative emissions reductions; emissions are higher under a rate-mass patchwork scenario; and rate-based plans have higher total compliance costs than mass-based plans.  The studies included the extension of federal tax credits for wind and solar in the business-as-usual scenarios.