Ridgewood Infrastructure, an infrastructure investment firm focused on essential infrastructure in the U.S. lower middle market, has sold its 80 percent interest in SiEnergy to Northwest Natural Holding Co. Financial terms were not disclosed.
SiEnergy is a regulated utility providing essential natural gas services to residential and commercial customers in the greater metropolitan areas of Houston, Dallas and Austin. Since acquiring the business in 2019, Ridgewood Infrastructure has led the transformation of SiEnergy into one of the fastest-growing natural gas distribution utilities in the nation.
Under Ridgewood's stewardship, SiEnergy organically expanded its service base from approximately 20,000 to more than 70,000 customers.
“SiEnergy exemplifies Ridgewood Infrastructure's continued ability to create differentiated investments on behalf of our investors,” said Michael Albrecht, managing partner of Ridgewood Infrastructure. “Our focus on operational an