diff --git a/pkgs/development/python-modules/solarman-opendata/default.nix b/pkgs/development/python-modules/solarman-opendata/default.nix
new file mode 100644
index 000000000000..d96ea9e22b67
--- /dev/null
+++ b/pkgs/development/python-modules/solarman-opendata/default.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  wheel,
+  aiohttp,
+  pytest-asyncio,
+  pytest-cov-stub,
+  pytest-mock,
+  pytestCheckHook,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "solarman-opendata";
+  version = "0.0.3";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "solarmanpv";
+    repo = "solarman-opendata";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-mLwvAs+RFaHXjOgMaIhKKTU4Dqzdu/pLtAwYc/B6oj4=";
+  };
+
+  build-system = [
+    setuptools
+  ];
+
+  dependencies = [
+    aiohttp
+  ];
+
+  nativeCheckInputs = [
+    pytest-asyncio
+    pytest-cov-stub
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "solarman_opendata" ];
+
+  meta = {
+    description = "Asynchronous Python API for Solarman devices";
+    homepage = "https://github.com/solarmanpv/solarman-opendata";
+    changelog = "https://github.com/solarmanpv/solarman-opendata/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.asl20;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+})
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 124db000ba47..38ce2a96e8ba 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -5930,7 +5930,8 @@
       ];
     "solarman" =
       ps: with ps; [
-      ]; # missing inputs: solarman-opendata
+        solarman-opendata
+      ];
     "solax" =
       ps: with ps; [
         solax
@@ -8227,6 +8228,7 @@
     "snooz"
     "solaredge"
     "solarlog"
+    "solarman"
     "solax"
     "soma"
     "somfy_mylink"
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d9ddbb57dadd..dc6568ece2b0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18016,6 +18016,8 @@ self: super: with self; {
 
   solarlog-cli = callPackage ../development/python-modules/solarlog-cli { };
 
+  solarman-opendata = callPackage ../development/python-modules/solarman-opendata { };
+
   solax = callPackage ../development/python-modules/solax { };
 
   solc-select = callPackage ../development/python-modules/solc-select { };