Utility-Scale and Distributed Storage in Integrated Resource Plans: A Comparison of Plans for Indiana and Other States

This technical brief compares utility assumptions and methodologies for incorporating utility-scale and distributed energy storage in integrated resource plans (IRPs) filed by three utilities serving Indiana and five utilities serving other states. The brief also identifies opportunities to improve storage modeling. Berkeley Lab conducted the research for Indiana Utility Regulatory Commission Staff under the Economic Valuation of Energy Resources project funded by the U.S. Department of Energy.