Analysis of Strategies for Reducing Multiple Emissions from Electric Power Plants: Sulfur Dioxide, Nitrogen Oxides, Carbon Dioxide, and Mercury and a Renewable Portfolio Standard - Table 29. Assumptions for Renewable Portfolio Standards and Timing in Four Analyses

Table 29. Assumptions for Renewable Portfolio Standards and Timing in Four Analyses

Study	RPS Target and Implementation Schedule
EIA, Current Study	5% by 2005, 10% by 2010, 20% by 2020
EIA, AEO2000	2.4% 2000-2004, increasing to 7.5% by 2010
UCS	5% by 2005, 10% by 2010, 20% by 2020
Tellus	2% by 2000, 3% by 2005, and 4% by 2010
Sources: EIA, Current Study: National Energy Modeling System, run M2RPS20_x.D070601A. EIA, AEO2000: National Energy Modeling System, run RPS2KFUL.D100699B. UCS: S. Clemmer, A. Nogee, and M. Brower, A Powerful Opportunity: Making Renewable Electricity the Standard (Cambridge, MA: Union of Concerned Scientists, January 1999). Tellus: S. Bernow, W. Dougherty, and M. Duckworth, “Quantifying the Impacts of a National, Tradable Renewables Portfolio Standard,” The Electricity Journal (May 1997).