EXHIBIT 21
SUBSIDIARIES OF NORTHWEST NATURAL HOLDING COMPANY
an Oregon Corporation
Name of Subsidiary | Jurisdiction Organized | |||||||
Northwest Natural Gas Company (dba NW Natural) | Oregon | |||||||
Northwest Energy Corporation(1) | Oregon | |||||||
NWN Gas Reserves LLC(1) | Oregon | |||||||
NW Natural RNG Holding Company, LLC(1) | Oregon | |||||||
Lexington Renewable Energy LLC(1) | Delaware | |||||||
Dakota City Renewable Energy LLC(1) | Delaware | |||||||
NW Natural Energy, LLC | Oregon | |||||||
NW Natural Gas Storage, LLC | Oregon | |||||||
NNG Financial Corporation | Oregon | |||||||
KB Pipeline Company | Oregon | |||||||
NW Natural Water Company, LLC | Oregon | |||||||
Salmon Valley Water Company | Oregon | |||||||
NW Natural Water of Oregon, LLC | Oregon | |||||||
Sunstone Water, LLC | Oregon | |||||||
Sunstone Infrastructure, LLC | Oregon | |||||||
Sunriver Water LLC (dba Sunriver Utilities Company) | Oregon | |||||||
Sunriver Environmental LLC | Oregon | |||||||
Avion Water Company, Inc. | Oregon | |||||||
NW Natural Renewables Holdings, LLC | Oregon | |||||||
NW Natural Ohio Renewable Energy, LLC | Oregon | |||||||
NW Natural Water of Washington, LLC | Washington | |||||||
Cascadia Water, LLC | Washington |
Cascadia Infrastructure, LLC | Washington | |||||||
Suncadia Water Company, LLC | Washington | |||||||
Suncadia Environmental Company, LLC | Washington | |||||||
NW Natural Water of Idaho, LLC | Idaho | |||||||
Falls Water Co., Inc. | Idaho | |||||||
Gem State Water Company, LLC | Idaho | |||||||
Gem State Infrastructure, LLC | Idaho | |||||||
NW Natural Water of Texas, LLC | Texas | |||||||
Blue Topaz Water, LLC | Texas | |||||||
Blue Topaz Infrastructure, LLC | Texas | |||||||
T & W Water Service Company (dba Blue Topaz Utilities) | Texas | |||||||
NW Natural Water of Arizona, LLC | Oregon | |||||||
Foothills Water & Sewer, LLC (dba Foothills Utilities) | Arizona | |||||||
Turquoise Infrastructure, LLC | Oregon | |||||||
Rose Valley Water Company, Inc. | Arizona | |||||||
NW Natural Water of California, LLC | Oregon | |||||||
Blue Diamond Infrastructure, LLC | Oregon | |||||||
NW Natural Water Services, LLC (dba King Water Company) | Oregon | |||||||
(1)Subsidiary of Northwest Natural Gas Company