Arizona Public Service Company
26.6 TWh
Black Hills Energy
NorthWestern Corporation
4.4 TWh
PacifiCorp East
859 GWh
Public Service Company of New Mexico
5.3 TWh
Public Service Company of Colorado
25.0 TWh
Western Area Power Administration - Desert Southwest Region
136 GWh
PRPA
Platte River Power Authority
WACM
Western Area Power Administration - Colorado Missouri Region
WAUW
Western Area Power Administration - Upper Great Plains West