One fallen power line exposed a growing AI data center problem. Here’s how to fix it.
Quick Answer
A recent power line failure near Washington, DC, highlighted the vulnerability of the PJM grid due to simultaneous disconnections of over 3 gigawatts from data centers, causing voltage spikes.
Quick Take
Experts warn that as data centers grow, they must adapt to prevent future disruptions, with ON.Energy developing systems to stabilize loads and mitigate impacts on the grid.
Key Points
- Data centers in Northern Virginia caused a 3.1 GW load drop during a power line failure.
- The PJM grid took over 10 minutes to stabilize after the incident.
- ON.Energy's system allows data centers to absorb power fluctuations without disconnecting.
- Data centers are projected to account for 24% of PJM's load by 2040.
- ERCOT plans to require large loads to 'ride through' power disruptions.
DeepSignal Analysis
What happened
A recent power line failure near Washington, DC, led to over 3 gigawatts of data centers disconnecting from the PJM grid almost simultaneously. This caused voltage spikes across a wide area, highlighting the growing impact of data centers on grid stability. Experts warn that similar incidents may become more frequent if data centers do not adapt their operations.
Key evidence
- The power line failure caused data centers to switch to backup power, resulting in a load drop of about 3.1 gigawatts within 30 seconds, according to PJM data.
- At its peak, PJM's grid had an excess of 3.49 gigawatts of electricity, and it took 11 minutes for the grid to stabilize after the incident.
- Data centers in Northern Virginia, which is home to the highest concentration of data centers globally, accounted for around 3% of PJM's total demand at the time of the event.
Why it matters
The incident underscores the vulnerability of the PJM grid to large-scale disconnections from data centers, which could lead to more frequent voltage fluctuations. As data centers are projected to increase their share of grid demand significantly by 2040, addressing these vulnerabilities is crucial to prevent larger disruptions. Solutions like ON.Energy's uninterruptible power supply systems could help mitigate these risks by stabilizing loads and allowing data centers to better manage power fluctuations.
Source Excerpt
A close call in Northern Virginia revealed just how poorly data centers respond to grid disruptions. Here's how to fix the problem.
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from TechCrunch
See more →
AI chip startup Etched defies skeptics, hits $10.3B valuation from big-name investors
AI chip startup Etched has achieved a $10.3 billion valuation after a $300 million Series C funding round, led by Sequoia and supported by notable investors like Andreessen Horowitz. The company claims to have developed innovative low-voltage chips for AI inference, significantly enhancing performance and reducing costs, with $1 billion in orders already booked.
