• Xcel Energy, San Diego Gas & Electric Company (SDG&E), Southern Company, Holy Cross Energy, and Central Georgia EMC • GE, Schneider Electric, Survalent, Oracle, and Opal-RT • National Rural Electric Cooperative Association (NRECA) and Electric Power Research Institute (EPRI) • Pacific Northwest National Laboratory (PNNL; GridAPPS-D) and Argonne National Laboratory.