U.S. Department of Energy Energy Efficiency and Renewable Energy

The Impacts of Commercial Electric Utility Rate Structure Elements on the Economics of Photovoltaic Systems

This analysis uses simulated building data, simulated solar photovoltaic (PV) data, and actual electric utility tariff data from 25 cities to better understand the impacts of different commercial rate structures on the value of solar PV systems. By analyzing and comparing 55 unique rate structures across the United States, this study seeks to identify the rate components that have the greatest effect on the value of PV systems.

June, 2010
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Sean Ong, Paul Denholm, Elizabeth Doris (NREL)