Portland, OR-based natural gas utility NW Natural continues to build its renewable natural gas (RNG) portfolio as it moves to carbon neutrality by 2050.

In January, the company started operations at an RNG facility in Lexington, Nebraska in conjunction with Tyson Foods Inc. and BioCarbN. Construction on a second facility has begun with commissioning slated for early 2023.

“NW Natural is the first local gas distribution utility in the continental United States to invest in and own an RNG facility on behalf of all its sales customers,” CEO David Anderson said in an earnings call.

NW Natural has said it would invest up to $38 million in four separate RNG development projects in an agreement with meat processing giant Tyson. The Nebraska project produces biomethane from a Tyson...