GridStab News
Dr. Gilles ChaspierreGridStab News delivers expert analysis and weekly deep-dives into power grid vulnerabilities, emerging energy technologies, and the market forces shaping the future of our electrical infrastructure.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 73 | Founded | 2 years ago | Last Issue | 2 days ago |
| Active | |||||
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gilleschaspiere.substack.comLatest Issues
STRONG AND WEAK AT THE SAME BUS
Short-circuit ratio gives one number per connection point. Sub-synchronous oscillations need one per mode, per operating condition — and the answers disagree.
Gilles Chaspierre and Andreas Hadjileonidas — GridStab News — August 2026
The Simulation That Says Everything Is Fine
There is a particular kind of failure that should worry engineers more than any blackout: the simulation that runs cleanly, produces reassuring results, and is wrong.
It happens more often than the industry likes to admit. A grid is modell...
The Grid's Strangest Problem: Wind Farms That Shake
Most grid instabilities announce themselves. A fault, a trip, a sudden imbalance — something breaks, and the system responds. Engineers know how to look for them.
Forced oscillations are different. Nothing breaks. There’s no fault, no cont...
THE INTERCONNECTION GAUNTLET
410 GW, No Standards, and the Framework That Has to Replace Them
Part 2 of two. Based on the ESIG Large Loads Task Force report “Interconnection Processes for Large Loads: Current Practices and Recommendations” (June 2026).
WHEN DATA CENTERS SHAKE THE GRID
The Evidence, and Why Nobody Saw It Coming
Part 1 of 2. Based on the ESIG Large Loads Task Force reports “Large Load Disturbance Events” and “Large Load Modeling for Dynamic Studies” (2026).
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Authors
The writers behind this newsletter.
Senior expert in Power Systems dynamics, stability and control with a focus on low-inertia systems. Tackling challenges linked to the massive integration of power-electronic driven technologies in the Power Systems.
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