One fallen power line exposed a growing AI data center problem. Here’s how to fix it.
AI-summarised brief · reviewed before publication
A power line failure outside Washington, DC caused more than 3 GW of data centers on the PJM grid to drop their load within seconds, extending the outage to over 10 minutes and triggering regional flickering lights. Ting Labs’ IoT sensor data showed a voltage spike from Northern Virginia to Chicago as the centers switched to backup power, temporarily removing about 3 % of PJM’s demand. PJM, which serves 67 million customers across 13 states, struggled to rebalance supply and demand, highlighting the fragility of grids when clustered high‑density loads act in unison. Experts warn that similar incidents will become more common as Northern Virginia hosts the world’s largest data‑center concentration. ON.Energy is developing campus‑scale UPS systems that mask load fluctuations, allowing centers to stay online and smooth grid interactions.
💡 Why It Matters
- · Uncoordinated load shedding by massive data‑center clusters can destabilize regional grids, forcing operators to redesign protection schemes before larger outages occur.