Energy demands during the recent arctic weather have placed major pressures on energy generators, forcing power companies to rely more on coal and oil to produce electricity.

“Customers are going to see higher prices because they’re consuming so much energy."

Many dual-fuel power plants in New England switched to burning oil as temperatures plummeted.

Until cold front, New England had been at the forefront of converting its fossil fuel power plants to use cleaner burning natural gas.

"The market is set up in a certain way in December, it’s not prepared."