1. Renewable electric power – too much of a good thing: looking at ERCOT;Lively;US Association for Energy Economics Dialogue,2009
2. Operational requirements and generation fleet capability at 20% RPS;Helman,2010
3. Summary of preliminary results of 33% renewable integration study – 2010 CPUC LTPP Docket No. R.10-05-006;California ISO,2011
4. Real time ramp model in MIDWEST ISO co-optimized energy and ancillary service market design;Chen,2009
5. Integration of renewable resources at 20% RPS;California ISO,2010