diff --git a/homeassistant/components/growatt_server/sensor_types/__init__.py b/homeassistant/components/growatt_server/sensor_types/__init__.py
new file mode 100644
index 00000000000..3f5be3be7f5
--- /dev/null
+++ b/homeassistant/components/growatt_server/sensor_types/__init__.py
@@ -0,0 +1 @@
+"""Sensor types for supported Growatt systems."""