Companhia Paranaense de Energia – COPEL (ELP)
ompanhia Paranaense de Energia – COPEL engages in the generation, transformation, distribution, and trading of energy to industrial, residential, commercial, rural, and other customers primarily in the State of Paraná, Brazil.
The Southern Company (SO)
The Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity.
National Grid plc (NGG)
National Grid plc transmits and distributes electricity and gas. The company operates through UK Electricity Transmission, UK Electricity Distribution, UK Electricity System Operator, New England, and New York segments.