Making Clean Local Energy Accessible Now 3 Wholesale DG has Superior Value The most cost-effective solar is large WDG, not central station due to significant hidden T&D costs Distribution GridT-Grid PV Project size and type 100kW roof 500kW roof 1 MW roof 1 MW ground 5 MW ground 50 MW ground Required PPA Rate 16¢15¢13¢9-11¢8-10¢7-9¢ T&D costs0¢ 2-4¢ Ratepayer cost per kWh 16¢15¢13¢9-11¢8-10¢9-13¢ Sources: CAISO, CEC, and Clean Coalition, Nov2012; see full original analysis from Jul2011 at www.clean-coalition.org/studieswww.clean-coalition.org/studies Total Ratepayer Cost of Solar
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