Energy Storage Value and Adoption Analysis

Aggregate System-wide Benefits Sensitivities Storage is likely to be cost effective by 2030 across a variety of tested Sensitivity Base Case Zero Outage Reduction Value sensitivity cases. Storage outage reduction value not considered in RIM test or not realized due to lack of distribution upgrades Regional Market Cost-Effective Storage Level 2020 2030 Up to 175 MW >700 MW 0 MW >300 MW Implementation of regional market reduces regional production costs, halving storage production cost savings n/a >400 MW Zero Avoided Generation Capacity Value No need for additional generation capacity, e.g. declining load growth and no open capacity position n/a Up to 300 MW brattle.com 25

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