On August 6, 2018, Western Grid Group, Sierra Club, DL Energy, Gridworks, Western Resource Advocates, NW Energy Coalition, Vote Solar and Natural Resources Defense Council sent a letter to Commissioners, Chairs, and Leadership of FERC, WECC, and NERC regarding the future of a Western Interconnection with multiple reliability coordinators. The groups expressed their concerns and recommendations regarding the likely potential of a future for the Western Interconnection that will involve the management and coordination of multiple Reliability Coordinators.