diff --git a/pkgs/development/python-modules/pyemoncms/default.nix b/pkgs/development/python-modules/pyemoncms/default.nix
new file mode 100644
index 000000000000..651b31bd7a7f
--- /dev/null
+++ b/pkgs/development/python-modules/pyemoncms/default.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  aiohttp,
+  pytest-aiohttp,
+  pytestCheckHook,
+}:
+
+buildPythonPackage rec {
+  pname = "pyemoncms";
+  version = "0.1.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "Open-Building-Management";
+    repo = "pyemoncms";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-IBrYys0i9pTAw9ul8bqni0H3KNSvKQYNU6D4OSfR6ZE=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [ aiohttp ];
+
+  pythonImportsCheck = [ "pyemoncms" ];
+
+  nativeCheckInputs = [
+    pytest-aiohttp
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # requires networking
+    "test_timeout"
+  ];
+
+  meta = {
+    changelog = "https://github.com/Open-Building-Management/pyemoncms/releases/tag/v${version}";
+    description = "Python library for emoncms API";
+    homepage = "https://github.com/Open-Building-Management/pyemoncms";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ dotlambda ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index f863519dd6c4..83782d3d12cc 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -1071,7 +1071,8 @@
       pyemby
     ];
     "emoncms" = ps: with ps; [
-    ]; # missing inputs: pyemoncms
+      pyemoncms
+    ];
     "emoncms_history" = ps: with ps; [
     ];
     "emonitor" = ps: with ps; [
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 1e799f5000a3..ca1af64ec373 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11302,6 +11302,8 @@ self: super: with self; {
 
   pyemd = callPackage ../development/python-modules/pyemd { };
 
+  pyemoncms = callPackage ../development/python-modules/pyemoncms { };
+
   pyemvue = callPackage ../development/python-modules/pyemvue { };
 
   pyenchant = callPackage ../development/python-modules/pyenchant {