A transmission line outage in Northern Virginia on July 22 led to the disconnection of over 3 gigawatts of data center demand from the PJM Interconnection grid. This event caused a voltage disturbance that extended as far as Chicago, stemming from protective systems within data centers automatically shifting operations to backup power sources. The loss

PJM Interconnection is evaluating potential modifications to interconnection reliability requirements concerning ride-through standards for substantial electrical loads, such as data centers and cryptocurrency mining facilities. This review follows an unprecedented outage affecting approximately 4,000 megawatts of data center load in Virginia on July 22nd, the largest event of its kind within PJM’s operational area. While