diff --git a/homeassistant/components/emoncms/const.py b/homeassistant/components/emoncms/const.py
new file mode 100644
index 00000000000..dc43e7a07dc
--- /dev/null
+++ b/homeassistant/components/emoncms/const.py
@@ -0,0 +1,11 @@
+"""Constants for the emoncms integration."""
+
+import logging
+
+CONF_EXCLUDE_FEEDID = "exclude_feed_id"
+CONF_ONLY_INCLUDE_FEEDID = "include_only_feed_id"
+CONF_MESSAGE = "message"
+CONF_SUCCESS = "success"
+
+
+LOGGER = logging.getLogger(__package__)
diff --git a/homeassistant/components/emoncms/coordinator.py b/homeassistant/components/emoncms/coordinator.py
index 16258a11f4d..d1f6a2858c7 100644
--- a/homeassistant/components/emoncms/coordinator.py
+++ b/homeassistant/components/emoncms/coordinator.py
@@ -1,15 +1,14 @@
 """DataUpdateCoordinator for the emoncms integration."""
 
 from datetime import timedelta
-import logging
 from typing import Any
 
 from pyemoncms import EmoncmsClient
 
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
-_LOGGER = logging.getLogger(__name__)
+from .const import CONF_MESSAGE, CONF_SUCCESS, LOGGER
 
 
 class EmoncmsCoordinator(DataUpdateCoordinator[list[dict[str, Any]] | None]):
@@ -24,8 +23,15 @@ class EmoncmsCoordinator(DataUpdateCoordinator[list[dict[str, Any]] | None]):
         """Initialize the emoncms data coordinator."""
         super().__init__(
             hass,
-            _LOGGER,
+            LOGGER,
             name="emoncms_coordinator",
-            update_method=emoncms_client.async_list_feeds,
             update_interval=scan_interval,
         )
+        self.emoncms_client = emoncms_client
+
+    async def _async_update_data(self) -> list[dict[str, Any]]:
+        """Fetch data from API endpoint."""
+        data = await self.emoncms_client.async_request("/feed/list.json")
+        if not data[CONF_SUCCESS]:
+            raise UpdateFailed
+        return data[CONF_MESSAGE]
diff --git a/homeassistant/components/emoncms/sensor.py b/homeassistant/components/emoncms/sensor.py
index e239ffd6c21..c299c5a1b9f 100644
--- a/homeassistant/components/emoncms/sensor.py
+++ b/homeassistant/components/emoncms/sensor.py
@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 from datetime import timedelta
-import logging
 from typing import Any
 
 from pyemoncms import EmoncmsClient
@@ -33,10 +32,9 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
+from .const import CONF_EXCLUDE_FEEDID, CONF_ONLY_INCLUDE_FEEDID
 from .coordinator import EmoncmsCoordinator
 
-_LOGGER = logging.getLogger(__name__)
-
 ATTR_FEEDID = "FeedId"
 ATTR_FEEDNAME = "FeedName"
 ATTR_LASTUPDATETIME = "LastUpdated"
@@ -45,8 +43,6 @@ ATTR_SIZE = "Size"
 ATTR_TAG = "Tag"
 ATTR_USERID = "UserId"
 
-CONF_EXCLUDE_FEEDID = "exclude_feed_id"
-CONF_ONLY_INCLUDE_FEEDID = "include_only_feed_id"
 CONF_SENSOR_NAMES = "sensor_names"
 
 DECIMALS = 2
@@ -98,7 +94,7 @@ async def async_setup_platform(
     coordinator = EmoncmsCoordinator(hass, emoncms_client, scan_interval)
     await coordinator.async_refresh()
     elems = coordinator.data
-    if elems is None:
+    if not elems:
         return
 
     sensors: list[EmonCmsSensor] = []
@@ -208,7 +204,7 @@ class EmonCmsSensor(CoordinatorEntity[EmoncmsCoordinator], SensorEntity):
         self._attr_native_value = None
         if self._value_template is not None:
             self._attr_native_value = (
-                self._value_template.render_with_possible_json_value(
+                self._value_template.async_render_with_possible_json_value(
                     elem["value"], STATE_UNKNOWN
                 )
             )