1 Insights into Scaling Virtual Power Plants Real-World Findings for Successful Deployment January 2025 Angela Long (Rockcress Consulting) Ryan Long (Rockcress Consulting) Methods 49 Appendix B. Interview Guide 52 Appendix C. DERMS Glossary 55 Appendix D. Interview Findings Catalog 56 Prepared By Angela Long, Rockcress Consulting (Rockcress) Ryan Long, Rockcress Stacy Miller, U.S. DOE Tolu Omotoso, NRECA Tomas Smith, Puget Sound Energy 5 5 REAL-WORLD FINDINGS FOR SUCCESSFUL DEPLOYMENT Insights into Scaling Virtual Power Plants Executive Summary Introduction