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15 - 16 September | Berlin, Germany
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Note: The schedule is subject to change.

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Tuesday September 15, 2026 10:30 - 11:00 CEST
At this year’s LF Energy Summit, we will officially launch OpenSTEF 4. A major milestone for the project and its growing community!

OpenSTEF 4 introduces a more modular and flexible approach to energy forecasting. The strength is in its versatility: a comprehensive toolbox that can support a wide range of forecasting use cases across the energy domain.

Whether you are exploring new ideas as a researcher or working in a high-stakes scaled up environment, OpenSTEF adapts to your needs. From data preparation and feature engineering to custom models, ensembles, and benchmarking, it enables you to shape your forecasting workflow in a way that fits your data, your systems, and
your use case.

OpenSTEF is also deliberately open and unopinionated. You decide how and where to deploy it, and which tools you use around it.

During this session, we will present the key changes in OpenSTEF 4, present a genAI pipeline that creates new documentation for this and future releases, and present a testimonial from a community member migrating from version 3 to 4. Following the presentation, we invite interested participants to join a dedicated tutorial, where you can explore the new setup in more detail and gain hands-on experience with OpenSTEF 4: https://events.linuxfoundation.org/lfenergysummit-europe/program/schedule/

Whether you are already working with OpenSTEF or just getting started with energy forecasting, this session marks the beginning of the next phase of the project.
Speakers
avatar for Jan Maarten van Doorn

Jan Maarten van Doorn

Data Scientist, Sigholm Tech AB
avatar for Paula Passet

Paula Passet

Data Science Consultant, Sia Partners
Paula Passet is a Data Science Consultant at Sia with expertise in AI/ML and GenAI. She is currently running a proof of concept to explore how GenAI can support documentation generation and maintenance for open-source energy forecasting projects.
avatar for Daan van Es

Daan van Es

Chair, OpenSTEF Technical Steering Committee | Alliander, Alliander
I work at Alliander on forecasting energy load across the electricity grid for the upcoming hours to days. As Chair of the OpenSTEF Technical Steering Committee, I help guide the development of open source forecasting tools and foster collaboration across the energy sector.
Tuesday September 15, 2026 10:30 - 11:00 CEST
Seebühne

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