Alliant Energy Corporation (LNT)
Alliant Energy Corporation operates as a utility holding company that provides regulated electricity and natural gas services in the United States.
Pinnacle West Capital Corporation (PNW)
Pinnacle West Capital Corporation, through its subsidiary, provides retail and wholesale electric services primarily in the state of Arizona.
PG&E Corporation (PCG)
PG&E Corporation, through its subsidiary, Pacific Gas and Electric Company, engages in the sale and delivery of electricity and natural gas to customers in northern and central California, the United States.