%0 Conference Paper %A Naïm R Darghouth %A Galen L Barbose %A Ryan H Wiser %B 31st USAEE/IAEE North American Conference %C Austin, TX %D 2012 %T The Potential Impact of Increased Renewable Energy Penetration Levels on Electricity Bill Savings From Residential Photovoltaic Systems %2 LBNL-6188E %8 11/2012