Open-TYNDP - Open-TYNDP

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Open-TYNDP

Open-source energy system model for the ENTSO-E Ten-Year Network Development Plan (TYNDP) — built by Open Energy Transition using PyPSA-Eur and benchmarked against TYNDP 2024 reference data.

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Explore Results

Transparency

All code, data, and assumptions are publicly available and auditable.

Reproducibility

Calibrated to ENTSO-E TYNDP 2024 reference data and methodology. Any stakeholder can re-run or verify TYNDP scenarios independently via Snakemake.

Automation

The entire modelling process runs automatically, from data preparation to final results and visualisations.

Collaboration

A shared, open codebase makes cross-organisation collaboration far easier.

Reusable

The same methodology can be applied to regional data beyond Europe.

Community-driven

Benefits from continuous developments to PyPSA-Eur by a broad community of researchers and practitioners.

Open-TYNDP is a research and innovation project developed by Open Energy Transition in coordination with ENTSO-E,<br>and funded by Breakthrough Energy,<br>QCF,<br>and other philanthropies, with previous support from Google.org.

The project explores how open-source energy models can complement and strengthen existing TYNDP workflows through transparent and reproducible modelling<br>approaches by implementing Scenario Building<br>and Cost-Benefit Analysis<br>aligned with the TYNDP 2024 reference data and methodologies.

Who is it for?

TSO planners — open-source alternative for grid investment scenarios and sensitivity analysis

ENTSO-E leadership — credible, independent benchmarking of TYNDP results

Researchers & policymakers — full access to a pan-European model calibrated to official TYNDP 2024 data

Grid planners beyond Europe — a reusable framework for transmission planning in other regions and continents

What can you do with Open-TYNDP?

Independently reproduce and examine the official TYNDP 2024 National Trends scenario

Test custom scenarios (e.g. alternative demand or RES assumptions) without starting from scratch

Directly compare open-source model results with ENTSO-E outputs in a transparent framework

Build on a common, community-maintained European planning model

Collaborate more easily across organisations and institutions using a shared, open codebase

Benefit from the continuous developments and features of an open-source framework, driven by a broad community of researchers and practitioners

Get involved by contributing to the codebase, documentation, and community discussions

Get started

Full documentation with installation instructions, configuration, and workflow descriptions.

Documentation<br>GitHub