Demystifying Grid Stability and Power-Electronic Systems

Making complex power systems topics accessible and engaging for engineers, investors, policy makers, and energy enthusiasts

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Gilles Chaspierre, Power Systems Expert

About Gilles Chaspierre

I am an expert in power systems dynamics, stability, and control, with a special emphasis on low inertia, inverter-dominated grids. I hold an M.Sc. in Electrical Engineering (2016) and earned my Ph.D. from the University of Liège (Belgium) in 2020, followed by a postdoctoral position at KU Leuven (Belgium).

My main focus areas are the study of weak grids with high penetration of converter-based generators. I work on very technical and complex challenges linked to the massive integration of power electronic converters in the power system, from static to dynamic analysis with ElectroMagnetic Transient (EMT) simulations.

View my detailed CV

Key Expertise Areas

Grid-Forming Control

Advanced control strategies for inverter-based resources in weak grid conditions

MTDC Grids

Operation and control of Multi-Terminal DC grids for efficient power transmission

EMT Simulations

Detailed electromagnetic transient analysis for power system dynamics

Low-Inertia Systems

Stability analysis and control of grids with high renewable penetration

How Can I Help?

Expert consulting services for the energy transition

Dynamic Stability Studies & Grid Modelling

I provide advanced simulations and analysis of power system dynamics, including transient stability, small-signal stability, and frequency response. I help identify vulnerabilities and optimize system performance under normal and contingency conditions.

Why it matters:

As grids integrate more renewables and power-electronic assets, dynamic stability becomes critical to avoid blackouts and ensure reliable operation. TSOs, investors, and policymakers need accurate insights to make informed decisions on infrastructure and compliance.

Grid Integration of Renewable & Power-Electronic Assets

Expert assessment and design of grid connection strategies for wind, solar, HVDC systems, batteries and data centres. I support compliance with grid codes, develop control strategies, and evaluate the impact of inverter-based resources on system stability.

Why it matters:

The energy transition hinges on seamless integration of renewables. Poorly managed connections can lead to instability and costly curtailments. My expertise ensures projects meet technical requirements and deliver maximum value.

Advisory on Stability Compliance & Investment Risk

Strategic consulting for investors and policymakers on stability-related risks in energy projects. I provide due diligence, regulatory compliance guidance, and risk mitigation strategies for large-scale renewable and transmission investments.

Why it matters:

Grid stability is not just a technical issue—it's a financial and regulatory one. Understanding stability risks early prevents costly delays and ensures projects align with evolving grid codes and market expectations.

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GridStab News

I publish GridStab News, a Substack blog where I demystify power system dynamics and stability for a broad audience. My clear, no-equations approach has attracted over 1,000 subscribers who appreciate my ability to make complex grid challenges accessible and engaging.

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By Gilles Chaspierre

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Get in Touch

Interested in working together? I'm available for consulting projects, advisory roles, and speaking engagements.

contact@gridstab.com