Coal-fired generation rose to meet demand during Winter Storm Fern ›

Although petroleum accounts for less than 1% of total U.S. utility-scale electric power generation, regions such as New England rely on oil-fired units during winter periods when cold weather creates high demand. When Winter Storm Fern affected New England this week, petroleum was the predominant energy source starting around midday on January 24 and lasting until early morning on January 26. Since then, petroleum and natural gas have been fluctuating as the primary energy source. More ›

Data source: U.S. Energy Information Administration, Hourly Electric Grid Monitor