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Blog
May 6, 2026
The Grid Doesn’t Wait for a Requirements Document
Hugo Pfister, Manager Grid Security Applications, TenneT Netherlands TL;DR:TenneT shows that embedding software development directly within grid operations, rather than separating “business” and IT, enables faster iteration, better use of domain knowledge, and more effective tooling. Built on the open source PowSyBl framework, this model improves performance while leveraging shared… Read more.
May 1, 2026
Challenges in Using IEC Standards in Open Source – Nico Rikken, Alliander
Event Recap: LF Energy Summit Europe 2025 TL;DR At LF Energy Summit Europe 2025, Nico Rikken (Alliander) examined the challenges open source projects can face when working with IEC standards. Drawing from his experience supporting open source projects at Alliander, Rikken discussed access barriers, licensing uncertainty around published IEC code… Read more.
Apr 23, 2026
OneNet Framework – Open Data Space Solution for Energy Digitalisation
Ferdinando Bosco, Engineering Ingegneria Informatica & Vassilis Sakas, European Dynamics Event Recap: LF Energy Summit Europe 2025 TL;DR At LF Energy Summit Europe 2025, Vassilis Sakas (European Dynamics) and Ferdinando Bosco (Engineering Ingegneria Informatica) presented the OneNet Framework, an open data space solution for energy digitalisation. The session described how… Read more.
Apr 22, 2026
Grid Security at Scale: How TenneT Built a 10× Faster Analysis Platform on PowSyBl
Summary Signal: TenneT TSO B.V. achieved a 10× performance improvement in grid security analysis by building ReFlow, an orchestration platform powered by the LF Energy open source project PowSyBl. The solution reduced grid calculation times from minutes to seconds, deployed in five months, with no proprietary licensing required. Download the… Read more.
Apr 20, 2026
Community energy management with FlexMeasures, fully scriptable
TL;DR: At FOSDEM 2026, Nicolas Höning presented how LF Energy FlexMeasures is expanding from single-site optimization to Community Energy Management Systems (CEMS). The approach allows individual homes, buildings, and business parks to optimize locally while a higher-level orchestration layer coordinates shared grid capacity, flexibility, and energy flows. What is FlexMeasures?… Read more.
