North America’s largest natural gas transporters and distributors are advancing projects to produce clean hydrogen and blend it into their mix to help achieve decarbonization goals.

Managers from industry heavyweights including Enbridge Inc. and Williams gave updates on their progress at the LDC Gas Forums Northeast event this month in Boston.

Although hydrogen offers “great scale” and a “great opportunity” to help decarbonize the energy sector, “the economy doesn’t exist yet and the infrastructure doesn’t exist yet,” said Williams’ Brian Hlavinka, director of emerging opportunities.

“We think there’s a great opportunity to use our infrastructure to start blending hydrogen. But eventually if you want to move the needle and really get to scale, what has...