华盛顿特区外一条电力线故障引发了对美国电网稳定性的严重担忧。1该事件导致数据中心在30秒内同时断开约3.1吉瓦负荷，这些设施代表当时PJM电网总需求的约3%。1电网随即出现电压波动，PJM系统额外电量峰值达3.49吉瓦，需要11分钟才能完全稳定。1
这起事件突显了大规模AI数据中心集中在北弗吉尼亚地区对电力基础设施造成的风险。1类似的并发故障在两年前曾经发生，2024年还出现过60个数据中心同时断开、拉低1.5吉瓦负荷的情况。1随着数据中心需求的急剧增长，这一问题日益紧迫。根据预测，到2040年，数据中心将占PJM电网总负荷的24%，相比目前的约6%增长四倍。1
为应对这一挑战，一些企业已在采取行动。ON.Energy正在四个数据中心园区安装总计3吉瓦的系统应对此类问题。1此外，电网运营商也在调整政策，德克萨斯州的ERCOT已要求大型负荷如数据中心必须具备"承载"电力中断的能力，以增强电网韧性。1
A downed power line outside Washington, D.C. triggered a cascade of disconnections across data centers in the region, with approximately 3.1 gigawatts of load shed simultaneously within 30 seconds 1. The incident caused voltage fluctuations across the PJM electrical grid, resulting in visible light flickers throughout the area 1. This event underscores a mounting vulnerability: the concentration of massive AI data centers in Northern Virginia poses an escalating risk to regional grid stability.
The disconnection represented roughly 3 percent of PJM's total demand at the time 1. The grid required an additional 3.49 gigawatts of capacity to compensate for the sudden loss, taking 11 minutes to stabilize 1. A similar incident occurred two years prior, and in 2024 alone, 60 data centers simultaneously disconnected and reduced load by 1.5 gigawatts 1. Looking ahead, projections indicate data center demand will account for 24 percent of PJM's total load by 2040, compared to approximately 6 percent today 1.
To address this emerging challenge, ON.Energy is currently installing systems totaling 3 gigawatts of capacity across four data center parks 1. Meanwhile, ERCOT has implemented requirements mandating that large-scale loads, including data centers, must "ride through" power interruptions rather than automatically disconnecting 1. These coordinated efforts aim to reduce the grid destabilization risk posed by the rapid proliferation of energy-intensive artificial intelligence facilities in concentrated geographic areas.
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