Atlantic City Electric, Central Hudson Gas & Electric, Con Edison, Jersey Central Power & Light, Orange & Rockland, PSEGLI, PSEGNJ

Connecticut Light & Power, Eversource, National Grid

Florida Power & Light Company, Duke Energy, Tampa Electric

Los Angeles Department of Water & Power, Pacific Gas & Electric, San Diego Gas & Electric, Southern California Edison

Appalachian Power, Dominion Energy, Dominion NC, Duke Energy Carolinas, Duke Energy Progress, SCE&G

First Energy Corp, PECO Energy, Penn Power, PPL Electric

Central Maine Power Co, Versant Power