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Northwest Natural Holding Co is a public natural gas service supplier operating in the U.S. Pacific Northwest. Its subsidiary, NW Natural, operates through the natural gas distribution segment, which purchases and distributes natural gas through which operates in Oregon and southwest Washington. The company operates in three reportable business segments, which are NWN Gas Utility, SiEnergy, and NWN Water. The company generates maximum revenue from NWN Gas Utility segment. It also generates revenue from residential, commercial, and industrial customers, the majority of which are in Oregon. Residential and commercial customers account for the vast majority of profitability.

Constellation Energy spun off from Exelon in 2022 and is now the largest US independent power producer. After acquiring Calpine in 2026, Constellation owns 55 gigawatts of power generation capacity. Constellation is the largest nuclear plant owner in the US with 22 GW of nuclear power generation capacity in six states. It also owns 4 GW of renewable energy projects. Constellation's retail energy business serves 2.5 million customers.