Puget Energy is a holding company incorporated in the State of Washington .
Puget Holdings , the U.S. title of this group of long - term infrastructure investors , merged with Puget Energy , PSE 's parent company to form the current business structure .
parent company   is a parent company   incorporated in the State of Washington .
Puget Holdings , the U.S. title of this group of long - term infrastructure investors , merged with Puget Energy , PSE 's parent company to form the current business structure .