diff --git a/homeassistant/components/homeassistant_green/hardware.py b/homeassistant/components/homeassistant_green/hardware.py
index 2b5268f8d03..c7b1641c09c 100644
--- a/homeassistant/components/homeassistant_green/hardware.py
+++ b/homeassistant/components/homeassistant_green/hardware.py
@@ -9,6 +9,7 @@ from homeassistant.exceptions import HomeAssistantError
 from .const import DOMAIN
 
 BOARD_NAME = "Home Assistant Green"
+DOCUMENTATION_URL = "https://green.home-assistant.io/documentation/"
 MANUFACTURER = "homeassistant"
 MODEL = "green"
 
@@ -39,6 +40,6 @@ def async_info(hass: HomeAssistant) -> list[HardwareInfo]:
             config_entries=config_entries,
             dongle=None,
             name=BOARD_NAME,
-            url=None,
+            url=DOCUMENTATION_URL,
         )
     ]
diff --git a/tests/components/homeassistant_green/test_hardware.py b/tests/components/homeassistant_green/test_hardware.py
index 8aacf09978d..0221bf3a577 100644
--- a/tests/components/homeassistant_green/test_hardware.py
+++ b/tests/components/homeassistant_green/test_hardware.py
@@ -54,7 +54,7 @@ async def test_hardware_info(
                 "config_entries": [config_entry.entry_id],
                 "dongle": None,
                 "name": "Home Assistant Green",
-                "url": None,
+                "url": "https://green.home-assistant.io/documentation/",
             }
         ]
     }