diff --git a/pkgs/development/python-modules/sunwatcher/default.nix b/pkgs/development/python-modules/sunwatcher/default.nix
new file mode 100644
index 000000000000..ee3a2e200b17
--- /dev/null
+++ b/pkgs/development/python-modules/sunwatcher/default.nix
@@ -0,0 +1,35 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, requests
+}:
+
+buildPythonPackage rec {
+  pname = "sunwatcher";
+  version = "0.2.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0swmvmmbfb914k473yv3fc4zizy2abq2qhd7h6lixli11l5wfjxv";
+  };
+
+  propagatedBuildInputs = [
+    requests
+  ];
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "sunwatcher" ];
+
+  meta = with lib; {
+    description = "Python module for the SolarLog HTTP API";
+    homepage = "https://bitbucket.org/Lavode/sunwatcher/src/master/";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 3d25d9d134a0..9092260cacbc 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -795,7 +795,7 @@
     "sochain" = ps: with ps; [ ]; # missing inputs: python-sochain-api
     "solaredge" = ps: with ps; [ solaredge stringcase ];
     "solaredge_local" = ps: with ps; [ ]; # missing inputs: solaredge-local
-    "solarlog" = ps: with ps; [ ]; # missing inputs: sunwatcher
+    "solarlog" = ps: with ps; [ sunwatcher ];
     "solax" = ps: with ps; [ solax ];
     "soma" = ps: with ps; [ pysoma ];
     "somfy" = ps: with ps; [ aiohttp-cors pymfy ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bc622d8f789d..7db3a071b664 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8765,6 +8765,8 @@ in {
 
   sunpy = callPackage ../development/python-modules/sunpy { };
 
+  sunwatcher = callPackage ../development/python-modules/sunwatcher { };
+
   supervise_api = callPackage ../development/python-modules/supervise_api { };
 
   supervisor = callPackage ../development/python-modules/supervisor { };