Dark smoke rose above a Virginia data center as a heat wave pushed the power grid close to its limits

A large Digital Realty data center in Ashburn, Virginia turned on diesel generators over the July 4 weekend to deal with a strained grid. A large Digital Realty data center in Ashburn, Virginia turned on diesel generators over the July 4 weekend to deal with a strained grid. Read the full story on Business Insider via the link below.