[["Avista Corp.",28],["Portland General Electric Co.",5],["Puget Sound Energy Inc.",5],["NorthWestern Energy Group Inc.",4],["PacifiCorp",4],["NW Natural",3],["Sierra Club",3],["National Propane Gas Association",2],["Alstom SA",1],["Associated Electric \u0026 Gas Insurance Services Ltd.",1],["BNSF Railway Co.",1],["Hillshire Brands Co.",1],["Huseby Inc.",1],["Kaiser Aluminum Corp.",1],["NorthWestern Corporation",1],["Olympus Corp.",1],["Puget Sound Energy",1],["US Ecology Inc.",1]]