Microgrid Knowledge, Mar. 31, 2017, by Lisa Cohn.
http://microgridknowledge.com/solar-plus-storage-barriers/

"Flat utility rates, permitting issues, and ambiguous or nonexistent incentives are undermining the residential solar-plus-storage market, according to a new analysis. The report by the National Renewable Energy Laboratory, the Rocky Mountain Institute, and the US Department of Energy also analyzes the prices of solar PV-plus-storage and describes hard-to-quantify benefits. It concludes that “gaps remain” in understanding and communicating costs and value. 'Installed Cost Benchmarks and Deployment Barriers for Residential Solar Photovoltaics with Energy Storage: Q1 2016' names permitting challenges as one of the major obstacles to increased deployment of solar-plus-storage."