The report, "Electrifying the Underserved: Collaborative Business Models for Developing Minigrids Under the Grid," by Rocky Mountain Institute, explores collaborative business models for developing minigrids in underserved areas. The authors highlight the importance of community engagement and local ownership in the development of these systems. They also discuss the role of technology in improving the efficiency and reliability of minigrids. The report suggests that a combination of public-private partnerships, community-based financing, and innovative business models can help to overcome the challenges of developing minigrids in underserved areas.