diff --git a/pkgs/development/python-modules/python-openems/default.nix b/pkgs/development/python-modules/python-openems/default.nix
new file mode 100644
index 00000000000..dd669cf5475
--- /dev/null
+++ b/pkgs/development/python-modules/python-openems/default.nix
@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, cython
+, openems
+, csxcad
+, boost
+, python-csxcad
+, numpy
+, h5py
+}:
+
+buildPythonPackage rec {
+  pname = "python-openems";
+  version = "unstable-2020-02-15";
+
+  src = fetchFromGitHub {
+    owner = "thliebig";
+    repo = "openEMS";
+    rev = "ba793ac84e2f78f254d6d690bb5a4c626326bbfd";
+    sha256 = "1dca6b6ccy771irxzsj075zvpa3dlzv4mjb8xyg9d889dqlgyl45";
+  };
+
+  sourceRoot = "source/python";
+
+  nativeBuildInputs = [
+    cython
+    boost
+  ];
+
+  propagatedBuildInputs = [
+    openems
+    csxcad
+    python-csxcad
+    numpy
+    h5py
+  ];
+
+  setupPyBuildFlags = "-I${openems}/include -L${openems}/lib -R${openems}/lib";
+  pythonImportsCheck = [ "openEMS" ];
+
+  meta = with lib; {
+    description = "Python interface to OpenEMS";
+    homepage = "http://openems.de/index.php/Main_Page.html";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ matthuszagh ];
+    platforms = platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 809a54de673..b7346675e64 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4510,6 +4510,8 @@ in {
 
   python-csxcad = callPackage ../development/python-modules/python-csxcad { };
 
+  python-openems = callPackage ../development/python-modules/python-openems { };
+
   pkutils = callPackage ../development/python-modules/pkutils { };
 
   plac = callPackage ../development/python-modules/plac { };