(Bloomberg) -- New Jersey Governor Phil Murphy declared a state of emergency effective Friday over a potential propane shortage for home and commercial heating after a service disruption at a major plant in Pennsylvania.

Some 186,000 New Jersey residents rely on propane for heating, the governor’s office said in a statement, and the emergency order comes as temperatures continue to fall well below freezing in the region.

The potential shortage comes as Energy Transfer’s Marcus Hook Terminal in Pennsylvania is unable to pump propane from its storage caverns after a November electrical fault.

The issue, stemming from a Nov. 19 electrical incident in a transformer, disabled the facilities propane truck loading rack for three days and led Energy Transfer to declare force majeure, according

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