Faced with the prospect of a 60% electricity rate increase, the aluminium giant Alcoa has served notice that if the price hike is not rolled back it will close it's three Quebec smelters.
Those plants employ 3300 Quebecers.
Alcoa has already given Hydro-Quebec it's notice of it's intention to terminate the contract to supply electricity to it's plants in Bécancour, Baie- Comeau and Deschambault .
The deadline for an agreement is January of 2015.
Alcoa is Hydro Quebec's biggest customer with an annual electricity bill of close to $350 million per year.
The company had been paying a preferred rate as part of the agreement to set up operations in Quebec.