Season 1 | Ep18 Mathieu Lassagne on Moving from Utility M&A at ENGIE to Building ZE-Energy's Hybrid Solar & Storage Model episode artwork

EPISODE · Dec 17, 2025 · 35 MIN

Season 1 | Ep18 Mathieu Lassagne on Moving from Utility M&A at ENGIE to Building ZE-Energy's Hybrid Solar & Storage Model

from The REM Podcast - Renewable Energy Movement

In this episode of the REM Podcast, Tom speaks with Mathieu Lassagne, CEO of ZE-Energy, about building a hybrid solar and storage company before it was mainstream.Before founding ZE-Energy, Mathieu spent several years at ENGIE, where he worked on corporate strategy and led the acquisition of Solairedirect, a successful solar developer in France at the time. Now, with ZE-Energy, he’s applying the lessons he learned to build a different kind of company. One that combines solar, storage and real-time optimisation to respond to market needs in real time.They discuss:- Why being first to market with hybrid storage was a risk worth taking- What real-time optimisation actually looks like in asset management- Why grid congestion can’t be solved by infrastructure alone- The challenges of re-powering older PV sites post-subsidies- What he learned from ENGIE’s acquisition of Solairedirect- The experiences that shaped him as an entrepreneurConnect with Tom: https://www.linkedin.com/in/tomessex/Connect with Mathieu: https://www.linkedin.com/in/mathieu-lassagne-994406/

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Season 1 | Ep18 Mathieu Lassagne on Moving from Utility M&A at ENGIE to Building ZE-Energy's Hybrid Solar & Storage Model

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