It will be at least five years before customers in some Massachusetts communities can switch to natural gas heat, according to an article on Boston.com.

National Grid recently announced a five-year moratorium on new natural gas hookups in a number of Cape Cod towns, the site reports. New hookups are off-limits in Brewster, Dennis, Eastham, Harwich, Chatham, and parts of Yarmouth and Barnstable. “The reason: National Grid is lowering the pressure in a stretch of pipeline after finding that the equipment was not up to snuff,” the article states.

“We want to resume connecting new customers as soon as possible, but enhancing our infrastructure will definitely be an extensive, multi-year project,” National Grid spokesperson Jake Navarro told Boston.com in an emailed statement.

To read the Boston.com article, click here.