He said the blast sounded like a huge rumbling train or low-flying jet passing over his roof. There were no reports of injuries as a result of the incident.
"Enbridge emergency crews have responded, have isolated and are now depressurizing two natural gas transmission lines in the vicinity to contain the incident", he said.
FortisBC has approximately one million gas customers and it is estimated that about 70% of the customers have the potential to lose gas supply.
"Turn down your thermostat if you are in a cold spot".
Doug Stout, Fortis BC vice-president of external relations, said 85 per cent of the gas his company feeds to homes and businesses is carried by the twinned pipeline that runs from northern B.C.to the United States border south of Vancouver.
No one was hurt when the fireball lit up the sky near the community of Shelley, British Columbia and forced about 100 members of the nearby Lheidli T'enneh First Nation from their homes.
The natural gas shortage itself affects customers throughout British Columbia, Washington and Oregon.
"I know the priority is to keep the residents in B.C. being able to use natural gas - it's the industrial users that take the hit when this kind of thing happens and that's completely understandable", said Sampson.
Residents previously evacuated can return home.
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"This is a unique situation", the Premier said at an unrelated media event in Vancouver on Wednesday. "They're going to monitor and oversee the company's response to the incident, and they're going to determine the impact and extent of the fire and release", Neufeld said. I thought it might have been hail, but it wasn't.
Puget Sound Energy asked its customers in a tweet on Wednesday to conserve natural gas.
Enbridge said in a statement that it will be investigating the cause of the explosion.
Fortis Inc.is advising the public of a potential loss of gas supply due to the recent explosion of Enbridge's natural gas pipeline near Prince George.
Motorists beware: gas prices are set to rise across the Pacific Northwest following yesterday's pipeline explosion in Prince George.
"They had told me there was a gas building up in the underground".
National Energy Board spokesman Tom Neufeld said the fire was along Enbridge's Westcoast main line, which falls under the board's jurisdiction.
The company will update its customers as soon as it is in a position to offer something new, said Stout.