diff --git a/pkgs/development/python-modules/pykoplenti/default.nix b/pkgs/development/python-modules/pykoplenti/default.nix
new file mode 100644
index 00000000000..98182ddf68c
--- /dev/null
+++ b/pkgs/development/python-modules/pykoplenti/default.nix
@@ -0,0 +1,41 @@
+{ lib
+, aiohttp
+, buildPythonPackage
+, click
+, fetchFromGitHub
+, prompt_toolkit
+, pycryptodome
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pykoplenti";
+  version = "1.0.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "stegm";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "12nsyz8a49vhby1jp991vaky82fm93jrgcsjzwa2rixwg1zql4sw";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    click
+    prompt_toolkit
+    pycryptodome
+  ];
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "pykoplenti" ];
+
+  meta = with lib; {
+    description = "Python REST client API for Kostal Plenticore Inverters";
+    homepage = "https://github.com/stegm/pykoplenti/";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 19d2a40dce6..59a9221d2de 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5665,6 +5665,8 @@ in {
 
   pykodi = callPackage ../development/python-modules/pykodi { };
 
+  pykoplenti = callPackage ../development/python-modules/pykoplenti { };
+
   pykwalify = callPackage ../development/python-modules/pykwalify { };
 
   pylacrosse = callPackage ../development/python-modules/pylacrosse { };