From a small start in Ontario, Enbridge Inc. has embarked on a Canada-wide campaign to produce renewable natural gas (RNG) on a large scale from trash rotting in waste dumps.

Enbridge renewable natural gas

The Calgary pipeline and gas distribution conglomerate said Wednesday it is partnering on an RNG project development partnership with waste management firm Walker Industries and renewable energy specialist Comcor Environmental.

“RNG presents a tremendous opportunity,” said Enbridge Vice President Cynthia Hansen, who heads natural gas distribution and storage. 

Drawing on research by the Canadian Gas Association, Enbridge estimated that more than 10,000 landfill sites across the country could support more than 33 petajoules/year (31 Bcf/year) of RNG output

The firm’s first foray into gas billed...