diff --git a/pkgs/development/python-modules/data-grand-lyon-ha/default.nix b/pkgs/development/python-modules/data-grand-lyon-ha/default.nix
new file mode 100644
index 000000000000..bfac2ea79d02
--- /dev/null
+++ b/pkgs/development/python-modules/data-grand-lyon-ha/default.nix
@@ -0,0 +1,41 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromCodeberg,
+  hatchling,
+  aiohttp,
+  pytest-asyncio,
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "data-grand-lyon-ha";
+  version = "0.8.0";
+  pyproject = true;
+
+  src = fetchFromCodeberg {
+    owner = "Crocmagnon";
+    repo = "data_grand_lyon_ha";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-Wpn3Ou8Cm+h5uyROw+6weDYyZHvLXLNpW3aIyKnUueE=";
+  };
+
+  build-system = [ hatchling ];
+
+  dependencies = [ aiohttp ];
+
+  nativeCheckInputs = [
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "data_grand_lyon_ha" ];
+
+  meta = {
+    description = "Python library to retrieve data from Grand Lyon open data platform, for Home Assistant";
+    homepage = "https://codeberg.org/Crocmagnon/data_grand_lyon_ha";
+    changelog = "https://codeberg.org/Crocmagnon/data_grand_lyon_ha/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+})
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 47d211e8f99f..4ac6ec7ea259 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -1208,7 +1208,8 @@
       ];
     "data_grand_lyon" =
       ps: with ps; [
-      ]; # missing inputs: data-grand-lyon-ha
+        data-grand-lyon-ha
+      ];
     "datadog" =
       ps: with ps; [
         datadog
@@ -7883,6 +7884,7 @@
     "crownstone"
     "cync"
     "daikin"
+    "data_grand_lyon"
     "datadog"
     "date"
     "datetime"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2808c3a0bb9d..e6481e26e4fd 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3626,6 +3626,8 @@ self: super: with self; {
 
   dask-yarn = callPackage ../development/python-modules/dask-yarn { };
 
+  data-grand-lyon-ha = callPackage ../development/python-modules/data-grand-lyon-ha { };
+
   databackend = callPackage ../development/python-modules/databackend { };
 
   databases = callPackage ../development/python-modules/databases { };