diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 8b4997d2c..15f5cc64d 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -1,6 +1,10 @@
 name: "Coverage"
 
 on: [push]
+
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   coverage:
     runs-on: ${{ matrix.os }}
@@ -16,8 +20,14 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install dependencies
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Run Tests and Record Coverage
         run: |
-          tox -e coverage
+          uv run tox -e coverage
diff --git a/.github/workflows/docs_latest.yml b/.github/workflows/docs_latest.yml
index 521378fd8..1ffcb1b91 100644
--- a/.github/workflows/docs_latest.yml
+++ b/.github/workflows/docs_latest.yml
@@ -11,6 +11,9 @@ on:
   # You should remember to delete the generated test-XXXXXX folder on the gh-pages branch after you are done with them.
   workflow_dispatch:
 
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   build:
     name: 🚀📄 Build and deploy documentation to GitHub Pages
@@ -34,24 +37,31 @@ jobs:
       - name: Set routing name to test-XXXXXX
         if: github.ref != 'refs/heads/main'
         run: echo "REF_NAME=test-$(shuf -i 100000-999999 -n 1)" >> "$GITHUB_ENV"
-      - uses: actions/setup-python@v6
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Checkout
         uses: actions/checkout@v7
         with:
           fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
       - name: Install dependencies
         run: |
-          pip install tox tox-uv
-          pip install -r requirements.txt
+          uv pip install tox tox-uv
+          uv pip install -r requirements.txt
         # Note: The sphinx action below can only install a single requirements file.
       - name: Build JSON Schemas
-        run: tox -e generate_json_schemas
+        run: uv run tox -e generate_json_schemas
       - name: Build BO4E package
         # Note: This step necessary to correctly set the version in the JSON-Schema-links
         run: |
-          pip install -e .
+          uv pip install -e .
           python -c "import bo4e; print(bo4e.__gh_version__)"
       - name: Run kroki with docker
         run: |
diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 2e7138459..17026f7dd 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -1,5 +1,9 @@
 name: "Linting"
 on: [push]
+
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   linting:
     name: Python Code Quality and Lint
@@ -15,8 +19,14 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install dependencies
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Run ${{ matrix.linter-env }}
         run: |
-          tox -e ${{ matrix.linter-env }}
+          uv run tox -e ${{ matrix.linter-env }}
diff --git a/.github/workflows/packaging_test.yml b/.github/workflows/packaging_test.yml
index 9e6ca1e02..ca9111845 100644
--- a/.github/workflows/packaging_test.yml
+++ b/.github/workflows/packaging_test.yml
@@ -1,6 +1,10 @@
 name: "Packaging Test"
 
 on: [push]
+
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   check_packaging:
     runs-on: ${{ matrix.os }}
@@ -14,8 +18,14 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install dependencies
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Run Packaging Test
         run: |
-          tox -e test_packaging
+          uv run tox -e test_packaging
diff --git a/.github/workflows/python-publish-scheduled.yml b/.github/workflows/python-publish-scheduled.yml
deleted file mode 100644
index 750e025c5..000000000
--- a/.github/workflows/python-publish-scheduled.yml
+++ /dev/null
@@ -1,110 +0,0 @@
-# This workflows will upload a Python Package using Twine when a release is created
-# For more information see: https://help.github.com/en/actions/language-and-framework-guides/using-python-with-github-actions#publishing-to-package-registries
-
-name: Upload Python Package Scheduled
-
-on:
-  schedule:
-    # Runs at 01:23, on day 1 of the month, only in January and July.
-    - cron: '23 1 1 1,7 *'
-
-jobs:
-  tests:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        python-version: ["3.10", "3.11", "3.12"]
-        os: [ubuntu-latest]
-    steps:
-      - uses: actions/checkout@v7
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install tox
-        run: pip install tox tox-uv
-      - name: Run the Tests
-        run: |
-          tox -e tests
-  tag_and_release:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v7
-      - name: Calculate Tag Name
-        id: calc_tag
-        run: |
-          CURRENT_YEAR=$(date +%Y)
-          CURRENT_MONTH=$(date +%m)
-          TAG="${CURRENT_YEAR}${TAG_MONTH}.0.0"
-          echo "Calculated tag $TAG"
-          echo "::set-output name=tag::$TAG"
-      - name: Create and Push Tag
-        run: |
-          TAG=${{ steps.calc_tag.outputs.tag }}
-          git tag $TAG
-          git push origin $TAG
-  generate:
-    name: Generate JSON-Schemas
-    runs-on: ubuntu-latest
-    needs: tests
-    steps:
-      - name: Check out Git repository
-        uses: actions/checkout@v7
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v6
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install tox
-        run: pip install tox tox-uv
-      - name: Build JSON Schemas
-        run: tox -e generate_json_schemas
-        env:
-          TARGET_VERSION: ${{ github.ref_name }}
-      - name: Push schemas to BO4E-Schemas repo
-        uses: cpina/github-action-push-to-another-repository@v1.7.3
-        env:
-          API_TOKEN_GITHUB: ${{ secrets.BO4E_PYTHON_GENERATE_SCHEMAS }} # this token expires on 2024-10-09
-          # token with repo scope
-          # https://github.com/Hochfrequenz/BO4E-python/settings/secrets/actions/BO4E_PYTHON_GENERATE_SCHEMAS
-        with:
-          source-directory: "json_schemas"
-          target-directory: "src/bo4e_schemas"
-          destination-github-username: "Hochfrequenz"
-          destination-repository-name: "BO4E-Schemas"
-          user-email: bo4e-schemas@hochfrequenz.de
-          target-branch: main
-          commit-message: "Update JSON-Schemas - BO4E ${{ github.ref_name }}"
-      # This step uses the github API to automatically create a release with the same version tag
-      # in the BO4E-Schemas repo. For this we have to retrieve the commits SHA via the API first.
-      # For this, we use the lightweight tool jq (https://stedolan.github.io/jq/) to parse the JSON
-      # response from the API.
-      - name: Tag and release the new version in BO4E-Schemas
-        run: python bo4e_schemas_create_release.py
-        env:
-          GITHUB_TOKEN: ${{ secrets.BO4E_PYTHON_GENERATE_SCHEMAS }} # this token expires on 2024-10-09
-          VERSION: ${{ github.ref_name }}
-  build-n-publish:
-    name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
-    runs-on: ubuntu-latest
-    # Specifying a GitHub environment, which is strongly recommended by PyPI: https://docs.pypi.org/trusted-publishers/adding-a-publisher/
-    environment: release
-    permissions:
-      # IMPORTANT: this permission is mandatory for trusted publishing
-      id-token: write
-    needs: [tests, generate]
-    steps:
-      - uses: actions/checkout@v7
-      - name: Set up Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: "3.10.x"
-      - name: Install dependencies
-        run: |
-          pip install uv
-          uv pip install --system --group packaging
-      - name: Build wheel and source distributions
-        run: python -m build
-      - name: Publish distribution 📦 to PyPI
-        if: startsWith(github.ref, 'refs/tags/v')
-        uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index f919a76cc..a5f50639c 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -7,6 +7,9 @@ on:
   release:
     types: [created, edited]
 
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   tests:
     if: startsWith(github.ref, 'refs/tags/v')
@@ -21,11 +24,50 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install tox
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Run the Tests
         run: |
-          tox -e tests
+          uv run tox -e tests
+  json_schemas_artifact:
+    name: Generate JSON-Schemas
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.12"]
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v7
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
+      - name: Install tox
+        run: uv pip install tox tox-uv
+      - name: Build JSON Schemas
+        run: |
+          uv run tox -e generate_json_schemas
+        env:
+          TARGET_VERSION: ${{ github.ref_name }}
+      - name: Upload JSON Schemas as artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: json-schemas
+          path: json_schemas/
+          if-no-files-found: "error"
+          retention-days: 1
   check_version_tag:
     name: Check if the version tag is correct
     runs-on: ubuntu-latest
@@ -34,23 +76,17 @@ jobs:
       # this, anonymous API calls hit GitHub's 60 req/hr rate limit and
       # `bo4e repo versions` / `bo4e pull` fail mid-job.
       GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    needs: [json_schemas_artifact]
     steps:
       - name: Check out Git repository
         uses: actions/checkout@v7
         with:
           fetch-depth: 0
-      - name: Set up Python
-        uses: actions/setup-python@v6
+      - name: Download JSON Schemas artifact
+        uses: actions/download-artifact@v8
         with:
-          python-version: "3.12"
-      - name: Install dependencies for schema generation
-        run: |
-          pip install uv
-          uv pip install --system -e . --group json_schemas
-      - name: Build JSON Schemas
-        run: python generate_or_validate_json_schemas.py --mode generate
-        env:
-          TARGET_VERSION: ${{ github.ref_name }}
+          name: json-schemas
+          path: json_schemas/
       - name: Install bo4e CLI
         uses: ./.github/actions/setup-bo4e
       - name: Verify version bump
@@ -59,27 +95,34 @@ jobs:
           bo4e pull -t "$LAST_VERSION" -o tmp/last_schemas
           bo4e diff schemas tmp/last_schemas json_schemas -o tmp/diff.json
           bo4e diff version-bump tmp/diff.json -q
-  json_schemas:
-    name: Generate JSON-Schemas
+  json_schemas_publish:
+    name: Publish JSON-Schemas
     runs-on: ubuntu-latest
     needs: [tests, check_version_tag]
     concurrency: build-n-publish-json-schemas
+    strategy:
+      matrix:
+        python-version: ["3.12"]
     steps:
-      - name: Check out Git repository
-        uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
-          python-version: "3.12"
-      - name: Install tox
-        run: pip install tox tox-uv
-      - name: Build JSON Schemas
+          python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
+      - name: Download JSON Schemas artifact
+        uses: actions/download-artifact@v8
+        with:
+          name: json-schemas
+          path: json_schemas/
+      - name: Remove .version file
         run: |
-          tox -e generate_json_schemas
           # Remove .version file as we don't want to commit it to BO4E-Schemas
           rm json_schemas/.version
-        env:
-          TARGET_VERSION: ${{ github.ref_name }}
       - name: Push schemas to BO4E-Schemas repo
         uses: cpina/github-action-push-to-another-repository@v1.7.3
         env:
@@ -100,7 +143,7 @@ jobs:
       # response from the API.
       - name: Install dependencies for creating release
         run: |
-          pip install requests click
+          uv pip install requests click
       - name: Tag and release the new version in BO4E-Schemas
         run: python bo4e_schemas_create_release.py
         env:
@@ -118,27 +161,37 @@ jobs:
       # the documentation asset script (bo4e repo versions, bo4e pull) doesn't
       # hit GitHub's 60 req/hr anonymous rate limit.
       GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    strategy:
+      matrix:
+        python-version: ["3.12"]
     steps:
       - uses: actions/checkout@v7
         with:
           fetch-depth: 0  # otherwise, you will fail to push refs to dest repo
-      - name: Set up Python
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
-          python-version: "3.12"
+          python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install dependencies
         run: |
-          pip install tox tox-uv
-          pip install -r requirements.txt
+          uv pip install tox tox-uv
+          uv pip install -r requirements.txt
         # Note: The sphinx action below can only install a single requirements file.
-      - name: Build JSON Schemas
-        run: tox -e generate_json_schemas
-        env:
-          TARGET_VERSION: ${{ github.ref_name }}
+      - name: Download JSON Schemas artifact
+        uses: actions/download-artifact@v8
+        with:
+          name: json-schemas
+          path: json_schemas/
       - name: Build BO4E package
         # Note: This step necessary to correctly set the version in the JSON-Schema-links
         run: |
-          pip install -e .
+          uv pip install -e .
           python -c "import bo4e; print(bo4e.__gh_version__)"
       - name: Run kroki with docker
         run: |
@@ -192,20 +245,24 @@ jobs:
     permissions:
       # IMPORTANT: this permission is mandatory for trusted publishing
       id-token: write
-    needs: [tests, json_schemas, docs]
+    needs: [tests, json_schemas_publish, docs]
+    strategy:
+      matrix:
+        python-version: ["3.12"]
     concurrency: build-n-publish-distributions
     steps:
       - uses: actions/checkout@v7
-      - name: Set up Python
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
-          python-version: "3.10.x"
-      - name: Install dependencies
-        run: |
-          pip install uv
-          uv pip install --system --group packaging
+          python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Build wheel and source distributions
-        run: python -m build
+        run: uv build
       - name: Publish distribution 📦 to PyPI
-        if: startsWith(github.ref, 'refs/tags/v')
-        uses: pypa/gh-action-pypi-publish@release/v1
+        run: uv publish
diff --git a/.github/workflows/test_docs.yml b/.github/workflows/test_docs.yml
index 23f245e77..e546065eb 100644
--- a/.github/workflows/test_docs.yml
+++ b/.github/workflows/test_docs.yml
@@ -1,5 +1,9 @@
 name: "Test Doc Creation (Sphinx)"
 on: [push]
+
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   docbuild:
     name: Check Docs
@@ -21,13 +25,19 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Run kroki with docker
         run: |
           docker compose up -d
       - name: Install bo4e CLI
         uses: ./.github/actions/setup-bo4e
       - name: Install dependencies
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Check Docs
         run: |
-          tox -e docs
+          uv run tox -e docs
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 272ec6a59..3f9c63674 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,6 +1,10 @@
 name: Tests
 
 on: [push]
+
+env:
+  UV_SYSTEM_PYTHON: 1
+
 jobs:
   tests:
     runs-on: ${{ matrix.os }}
@@ -16,8 +20,14 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+      - name: Install uv
+        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        with:
+          # Install a specific version of uv.
+          version: "0.11.28"
+          enable-cache: true
       - name: Install tox
-        run: pip install tox tox-uv
+        run: uv pip install tox tox-uv
       - name: Test with tox
         run: |
-          tox -e tests
+          uv run tox -e tests