PJM Interconnection, which operates the largest U.S. grid from Washington, D.C., to Illinois, issued a Level 1 emergency alert for Wednesday as cold weather boosts electricity demand.

A deep freeze is straining power supplies across the eastern US, sending demand on the country’s largest electric grid to an ...

Renewable energy credits, which have fueled the state’s solar boom, could now help finance new merchant transmission lines.

The U.S. spot gas and electricity prices have risen to multi-year heights in many parts of the nation. Extreme cold is expected ...

U.S. spot natural gas and power prices soared to multi-year highs in several parts of the country with extreme cold expected ...

A cold blast gripping the US South threatens to bring record-breaking snowfall to New Orleans and Houston and a deep freeze ...

Because of the growth of power-hungry data centers, Virginia has now surpassed California as the nation's top ...

A blast of extreme cold is poised to descend on the central United States this weekend before spreading to New York and the ...