open-energy-transition · tgilon · Aug 1, 2025 · Aug 4, 2025 · Aug 5, 2025 · Aug 1, 2025
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
@@ -17,13 +17,15 @@ Closes # (if applicable).
 
 ## Checklist
 
+<!-- Remove what doesn't apply. -->
+
 - [ ] I tested my contribution locally and it works as intended.
 - [ ] Code and workflow changes are sufficiently documented.
 - [ ] Changed dependencies are added to `envs/environment.yaml`.
 - [ ] Changes in configuration options are added in `config/config.default.yaml`.
 - [ ] Changes in configuration options are documented in `doc/configtables/*.csv`.
 - [ ] Changes in configuration options are added in `config/test/*.yaml`.
-- [ ] OET license identifier is added to all edited or newly created code files.
+- [ ] OET SPDX license header added to all touched files.
 - [ ] Sources of newly added data are documented in `doc/data_sources.rst`.
 - [ ] A release note `doc/release_notes.rst` is added.
 - [ ] Major features are listed in `README` and `doc/index.rst`.
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+# SPDX-FileCopyrightText: Open Energy Transition gGmbH
 # SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 #
 # SPDX-License-Identifier: CC0-1.0

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -1,10 +1,13 @@
+# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 # SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 #
 # SPDX-License-Identifier: CC0-1.0
+
 exclude: "^LICENSES"
 
 ci:
   autoupdate_schedule: quarterly
+  skip: [reuse-open-tyndp, reuse-open-tyndp-smk]
 
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -56,6 +59,27 @@ repos:
   hooks:
   - id: snakefmt
 
+  # Check and auto-fix SPDX copyright headers in modified files
+- repo: local
+  hooks:
+  - id: reuse-open-tyndp
+    name: reuse-open-tyndp
+    description: "Add Open-TYNDP SPDX copyright headers to modified files"
+    entry: bash -c "reuse annotate --exclude-year --merge-copyrights --skip-unrecognised --copyright='Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>' $(git diff --name-status --merge-base master | grep -vE '^D|\.github/|borg-it|data/|doc/configtables/|doc/img/|REUSE\.toml' | awk '{print $2}')"
+    pass_filenames: false
+    language: python
+    additional_dependencies: ["reuse"]
+
+- repo: local
+  hooks:
+  - id: reuse-open-tyndp-smk
+    name: reuse-open-tyndp-smk  # TODO Remove hook once reuse-tool PR #1206 has been merged
+    description: "Add Open-TYNDP SPDX copyright headers to modified SMK files"
+    entry: bash -c "reuse annotate --exclude-year --merge-copyrights -s python --copyright='Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>' $(git diff --name-only --merge-base master | grep -vE '^D' | awk '{print $2}' | grep -E '\\.smk$|Snakefile|matplotlibrc')"
+    pass_filenames: false
+    language: python
+    additional_dependencies: ["reuse"]
+
   # Check for FSFE REUSE compliance (licensing)
 - repo: https://github.com/fsfe/reuse-tool
   rev: v5.0.2

diff --git a/CITATION.cff b/CITATION.cff
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Open Energy Transition gGmbH
+# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 #
 # SPDX-License-Identifier: CC0-1.0
 

diff --git a/config/config.private.yaml b/config/config.private.yaml
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Open Energy Transition gGmbH
+# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 #
 # SPDX-License-Identifier: CC0-1.0
 

diff --git a/config/config.tyndp.yaml b/config/config.tyndp.yaml
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Open Energy Transition gGmbH
+# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 #
 # SPDX-License-Identifier: CC0-1.0
 

diff --git a/doc/Makefile b/doc/Makefile
@@ -1,4 +1,3 @@
-# SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 # SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 #
 # SPDX-License-Identifier: MIT

diff --git a/doc/configuration.rst b/doc/configuration.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _config:
 

diff --git a/doc/contributing.rst b/doc/contributing.rst
@@ -1,7 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 #######################
 Contributing

diff --git a/doc/contributors.rst b/doc/contributors.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ####################
 Contributors

diff --git a/doc/costs.rst b/doc/costs.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ############################
 Techno-Economic Assumptions

diff --git a/doc/data-base-network.rst b/doc/data-base-network.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 #############
 Base network

diff --git a/doc/data-bundle.rst b/doc/data-bundle.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ###################
 Zenodo data bundle

diff --git a/doc/data-repos.rst b/doc/data-repos.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ###########
 Repository

diff --git a/doc/data-retrieval.rst b/doc/data-retrieval.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 #########################
 Specific retrieval rules

diff --git a/doc/data_sources.rst b/doc/data_sources.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 #############
 Data Sources

diff --git a/doc/foresight.rst b/doc/foresight.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _foresight:
 

diff --git a/doc/index.rst b/doc/index.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 #############################################################################################################
 Open-TYNDP: Interfacing Open Energy System Planning with ENTSO-E Models and Contributing to TYNDP

diff --git a/doc/installation.rst b/doc/installation.rst
@@ -1,7 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _installation:
 

diff --git a/doc/introduction.rst b/doc/introduction.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _intro:
 

diff --git a/doc/licenses.rst b/doc/licenses.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Licenses

diff --git a/doc/limitations.rst b/doc/limitations.rst
@@ -1,7 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Limitations

diff --git a/doc/plotting.rst b/doc/plotting.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Plotting and Summaries

diff --git a/doc/preparation.rst b/doc/preparation.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Building Electricity Networks

diff --git a/doc/publications.rst b/doc/publications.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Publications

diff --git a/doc/release_notes.rst b/doc/release_notes.rst
@@ -1,9 +1,8 @@
 
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Release Notes

diff --git a/doc/retrieve.rst b/doc/retrieve.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _data:
 

diff --git a/doc/sector.rst b/doc/sector.rst
@@ -1,8 +1,7 @@
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Building Sector-Coupled Networks

diff --git a/doc/solving.rst b/doc/solving.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Solving Networks

diff --git a/doc/spatial_resolution.rst b/doc/spatial_resolution.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _spatial_resolution:
 

diff --git a/doc/supply_demand.rst b/doc/supply_demand.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Supply and demand

diff --git a/doc/support.rst b/doc/support.rst
@@ -1,16 +1,14 @@
-
+.. SPDX-FileCopyrightText: Contributors to Open-TYNDP <https://github.com/open-energy-transition/open-tyndp>
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 ##########################################
 Support
 ##########################################
 
 Please consider the following ways to reach out to the community and the contributors:
 
-* To **discuss** with other PyPSA users, organise projects, share news, and get in touch with the community you can use the `Discord server <https://discord.gg/AnuJBk23FU>`_.
-  * The `PyPSA mailing <https://groups.google.com/group/pypsa>`_ list previously was used for all kind of questions. Please use Discord server going forward, while the mailing list remains accessible as a knowledge archive.
-* For **bugs and feature requests**, please use the `issue tracker <https://github.com/PyPSA/PyPSA/issues>`_.
-* We strongly welcome anyone interested in providing **contributions** to this project. If you have any ideas, suggestions or encounter problems, feel invited to file issues or make pull requests on `Github <https://github.com/PyPSA/PyPSA>`_.
+- To **discuss** with other PyPSA users, organise projects, share news, and get in touch with the community you can use the `Discord server <https://discord.gg/AnuJBk23FU>`__.
+- For **bugs and feature requests**, please use the appropriate GitHub issues page. Issues specific to Open-TYNDP belong on the `Open-TYNDP Issues page <https://github.com/open-energy-transition/open-tyndp/issues>`__, while PyPSA-Eur issues should be submitted to the `PyPSA-Eur Github Issues page <https://github.com/PyPSA/pypsa-eur/issues>`__.
+* We strongly welcome anyone interested in providing **contributions** to this project. If you have any ideas, suggestions or encounter problems, feel invited to file issues or make pull requests on `Github <https://github.com/open-energy-transition/open-tyndp>`__.
diff --git a/doc/tutorial.rst b/doc/tutorial.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _tutorial:
 

diff --git a/doc/tutorial_sector.rst b/doc/tutorial_sector.rst
@@ -1,7 +1,6 @@
+.. SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
 ..
-  SPDX-FileCopyrightText: Contributors to PyPSA-Eur <https://github.com/pypsa/pypsa-eur>
-
-  SPDX-License-Identifier: CC-BY-4.0
+.. SPDX-License-Identifier: CC-BY-4.0
 
 .. _tutorial_sector: