Northwest Natural Holding Company, through its subsidiaries, provides critical energy and delivers water and wastewater services to nearly one million meters across seven states. The Company’s segments include NWN Gas Utility, SiEnergy, and NWN Water. The NWN Gas Utility segment is a regulated utility servicing customers in Oregon and southwest Washington and includes the portion of the Mist underground storage facility used to serve its customers, the North Mist gas storage expansion in Oregon, and NWN Gas Reserves. SiEnergy Gas Utility segment is a regulated natural gas distribution utility and serves residential and commercial customers in the greater metropolitan areas of Houston, Dallas, and Austin, Texas. SiEnergy Gas Utility also serves several transmission customers in Dallas and Austin, Texas. NWN Water Utility is a regulated water and wastewater utility serving residential and commercial customers in Oregon, Washington, Idaho, Texas, and Arizona.