Battery Storage to Efficiently Achieve Renewable Energy Integration is a report by the Renewable Energy Institute that explores the role of battery storage in integrating renewable energy into the power grid. The report argues that battery storage is crucial for a future powered by solar and wind energy, as it can help to address the intermittency of these sources of energy. The report also discusses the potential of battery storage to enable the widespread adoption of renewable energy and the challenges and opportunities that this presents. The report concludes by highlighting the importance of continued research and development in the field of battery storage for achieving a sustainable and rich society based on renewable energy.