diff --git a/homeassistant/helpers/entity_component.py b/homeassistant/helpers/entity_component.py
index c82ae2a46f0..4ac3a147296 100644
--- a/homeassistant/helpers/entity_component.py
+++ b/homeassistant/helpers/entity_component.py
@@ -108,7 +108,8 @@ class EntityComponent(object):
             raise ValueError('Config entry has already been setup!')
 
         self._platforms[key] = self._async_init_entity_platform(
-            platform_type, platform
+            platform_type, platform,
+            scan_interval=getattr(platform, 'SCAN_INTERVAL', None),
         )
 
         return await self._platforms[key].async_setup_entry(config_entry)
diff --git a/tests/common.py b/tests/common.py
index f53d1c2be2b..556935a6ac1 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -373,13 +373,16 @@ class MockPlatform(object):
     # pylint: disable=invalid-name
     def __init__(self, setup_platform=None, dependencies=None,
                  platform_schema=None, async_setup_platform=None,
-                 async_setup_entry=None):
+                 async_setup_entry=None, scan_interval=None):
         """Initialize the platform."""
         self.DEPENDENCIES = dependencies or []
 
         if platform_schema is not None:
             self.PLATFORM_SCHEMA = platform_schema
 
+        if scan_interval is not None:
+            self.SCAN_INTERVAL = scan_interval
+
         if setup_platform is not None:
             # We run this in executor, wrap it in function
             self.setup_platform = lambda *args: setup_platform(*args)
diff --git a/tests/helpers/test_entity_component.py b/tests/helpers/test_entity_component.py
index 504f31cc987..b4910723c8d 100644
--- a/tests/helpers/test_entity_component.py
+++ b/tests/helpers/test_entity_component.py
@@ -346,7 +346,8 @@ async def test_setup_entry(hass):
     mock_setup_entry = Mock(return_value=mock_coro(True))
     loader.set_component(
         hass, 'test_domain.entry_domain',
-        MockPlatform(async_setup_entry=mock_setup_entry))
+        MockPlatform(async_setup_entry=mock_setup_entry,
+                     scan_interval=timedelta(seconds=5)))
 
     component = EntityComponent(_LOGGER, DOMAIN, hass)
     entry = MockConfigEntry(domain='entry_domain')
@@ -357,6 +358,9 @@ async def test_setup_entry(hass):
     assert p_hass is hass
     assert p_entry is entry
 
+    assert component._platforms[entry.entry_id].scan_interval == \
+        timedelta(seconds=5)
+
 
 async def test_setup_entry_platform_not_exist(hass):
     """Test setup entry fails if platform doesnt exist."""