%0 Report %K electricity markets and policy group %K energy analysis and environmental impacts department %K ancillary services %K demand response %K smart grid %K market and value %K advanced metering infrastructure %K aggregators of retail customers %K electric utility regulation %K electricity market rules %K institutional barriers %K operating reserves %K retail electricity providers %K retail electricity tariffs %A Peter Cappers %A Jason S MacDonald %A Charles A Goldman %D 2013 %T Market and Policy Barriers for Demand Response Providing Ancillary Services in U.S. Markets %2 LBNL-6155E %8 03/2013