States have started to build the foundation for a future of battery storage to capitalize on the multiple benefits the technology provides to the grid, from helping integrate renewables to bolstering the reliability of the network. State legislatures are boosting the number and diversity of measures proposed to stoke storage markets, considering a broad array of incentives and rules. Over two dozen bills have been signed into law since 2014 to foster storage technologies through procurement mandates, incentives, streamlined permitting processes, and research and development programs .