diff --git a/homeassistant/components/person/__init__.py b/homeassistant/components/person/__init__.py
index 8399719e861..49f1b45f2ed 100644
--- a/homeassistant/components/person/__init__.py
+++ b/homeassistant/components/person/__init__.py
@@ -44,7 +44,7 @@ from homeassistant.helpers import (
     service,
 )
 from homeassistant.helpers.entity_component import EntityComponent
-from homeassistant.helpers.event import async_track_state_change
+from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.helpers.restore_state import RestoreEntity
 from homeassistant.helpers.storage import Store
 from homeassistant.helpers.typing import ConfigType, HomeAssistantType
@@ -440,14 +440,14 @@ class Person(RestoreEntity):
         if trackers:
             _LOGGER.debug("Subscribe to device trackers for %s", self.entity_id)
 
-            self._unsub_track_device = async_track_state_change(
+            self._unsub_track_device = async_track_state_change_event(
                 self.hass, trackers, self._async_handle_tracker_update
             )
 
         self._update_state()
 
     @callback
-    def _async_handle_tracker_update(self, entity, old_state, new_state):
+    def _async_handle_tracker_update(self, event):
         """Handle the device tracker state changes."""
         self._update_state()
 
diff --git a/homeassistant/components/threshold/binary_sensor.py b/homeassistant/components/threshold/binary_sensor.py
index 98d426cb660..55ac21f6f13 100644
--- a/homeassistant/components/threshold/binary_sensor.py
+++ b/homeassistant/components/threshold/binary_sensor.py
@@ -17,7 +17,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import callback
 import homeassistant.helpers.config_validation as cv
-from homeassistant.helpers.event import async_track_state_change
+from homeassistant.helpers.event import async_track_state_change_event
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -93,8 +93,12 @@ class ThresholdSensor(BinarySensorEntity):
         self.sensor_value = None
 
         @callback
-        def async_threshold_sensor_state_listener(entity, old_state, new_state):
+        def async_threshold_sensor_state_listener(event):
             """Handle sensor state changes."""
+            new_state = event.data.get("new_state")
+            if new_state is None:
+                return
+
             try:
                 self.sensor_value = (
                     None if new_state.state == STATE_UNKNOWN else float(new_state.state)
@@ -105,7 +109,9 @@ class ThresholdSensor(BinarySensorEntity):
 
             hass.async_add_job(self.async_update_ha_state, True)
 
-        async_track_state_change(hass, entity_id, async_threshold_sensor_state_listener)
+        async_track_state_change_event(
+            hass, [entity_id], async_threshold_sensor_state_listener
+        )
 
     @property
     def name(self):
diff --git a/homeassistant/components/trend/binary_sensor.py b/homeassistant/components/trend/binary_sensor.py
index 1490efd7a86..cd78618d156 100644
--- a/homeassistant/components/trend/binary_sensor.py
+++ b/homeassistant/components/trend/binary_sensor.py
@@ -25,7 +25,7 @@ from homeassistant.const import (
 from homeassistant.core import callback
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import generate_entity_id
-from homeassistant.helpers.event import async_track_state_change
+from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.util import utcnow
 
 _LOGGER = logging.getLogger(__name__)
@@ -162,8 +162,11 @@ class SensorTrend(BinarySensorEntity):
         """Complete device setup after being added to hass."""
 
         @callback
-        def trend_sensor_state_listener(entity, old_state, new_state):
+        def trend_sensor_state_listener(event):
             """Handle state changes on the observed device."""
+            new_state = event.data.get("new_state")
+            if new_state is None:
+                return
             try:
                 if self._attribute:
                     state = new_state.attributes.get(self._attribute)
@@ -176,8 +179,8 @@ class SensorTrend(BinarySensorEntity):
             except (ValueError, TypeError) as ex:
                 _LOGGER.error(ex)
 
-        async_track_state_change(
-            self.hass, self._entity_id, trend_sensor_state_listener
+        async_track_state_change_event(
+            self.hass, [self._entity_id], trend_sensor_state_listener
         )
 
     async def async_update(self):
diff --git a/homeassistant/components/utility_meter/sensor.py b/homeassistant/components/utility_meter/sensor.py
index c5b6e9a292c..8372d8e6b22 100644
--- a/homeassistant/components/utility_meter/sensor.py
+++ b/homeassistant/components/utility_meter/sensor.py
@@ -16,7 +16,7 @@ from homeassistant.core import callback
 from homeassistant.helpers import entity_platform
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.event import (
-    async_track_state_change,
+    async_track_state_change_event,
     async_track_time_change,
 )
 from homeassistant.helpers.restore_state import RestoreEntity
@@ -131,8 +131,10 @@ class UtilityMeterSensor(RestoreEntity):
         self._tariff_entity = tariff_entity
 
     @callback
-    def async_reading(self, entity, old_state, new_state):
+    def async_reading(self, event):
         """Handle the sensor state changes."""
+        old_state = event.data.get("old_state")
+        new_state = event.data.get("new_state")
         if (
             old_state is None
             or new_state is None
@@ -166,11 +168,14 @@ class UtilityMeterSensor(RestoreEntity):
         self.async_write_ha_state()
 
     @callback
-    def async_tariff_change(self, entity, old_state, new_state):
+    def async_tariff_change(self, event):
         """Handle tariff changes."""
+        new_state = event.data.get("new_state")
+        if new_state is None:
+            return
         if self._tariff == new_state.state:
-            self._collecting = async_track_state_change(
-                self.hass, self._sensor_source_id, self.async_reading
+            self._collecting = async_track_state_change_event(
+                self.hass, [self._sensor_source_id], self.async_reading
             )
         else:
             if self._collecting:
@@ -263,8 +268,8 @@ class UtilityMeterSensor(RestoreEntity):
             """Wait for source to be ready, then start meter."""
             if self._tariff_entity is not None:
                 _LOGGER.debug("Track %s", self._tariff_entity)
-                async_track_state_change(
-                    self.hass, self._tariff_entity, self.async_tariff_change
+                async_track_state_change_event(
+                    self.hass, [self._tariff_entity], self.async_tariff_change
                 )
 
                 tariff_entity_state = self.hass.states.get(self._tariff_entity)
@@ -272,8 +277,8 @@ class UtilityMeterSensor(RestoreEntity):
                     return
 
             _LOGGER.debug("tracking source: %s", self._sensor_source_id)
-            self._collecting = async_track_state_change(
-                self.hass, self._sensor_source_id, self.async_reading
+            self._collecting = async_track_state_change_event(
+                self.hass, [self._sensor_source_id], self.async_reading
             )
 
         self.hass.bus.async_listen_once(