diff --git a/homeassistant/components/emonitor/sensor.py b/homeassistant/components/emonitor/sensor.py
index 6e196eebeb03..5600cca308ef 100644
--- a/homeassistant/components/emonitor/sensor.py
+++ b/homeassistant/components/emonitor/sensor.py
@@ -27,10 +27,12 @@ from .const import DOMAIN
 SENSORS = (
     SensorEntityDescription(key="inst_power"),
     SensorEntityDescription(
-        key="avg_power", name="Average", entity_registry_enabled_default=False
+        key="avg_power",
+        translation_key="average",
+        entity_registry_enabled_default=False,
     ),
     SensorEntityDescription(
-        key="max_power", name="Max", entity_registry_enabled_default=False
+        key="max_power", translation_key="max", entity_registry_enabled_default=False
     ),
 )
 
@@ -66,6 +68,7 @@ class EmonitorPowerSensor(CoordinatorEntity, SensorEntity):
     _attr_device_class = SensorDeviceClass.POWER
     _attr_native_unit_of_measurement = UnitOfPower.WATT
     _attr_state_class = SensorStateClass.MEASUREMENT
+    _attr_has_entity_name = True
 
     def __init__(
         self,
@@ -79,9 +82,9 @@ class EmonitorPowerSensor(CoordinatorEntity, SensorEntity):
         super().__init__(coordinator)
         mac_address = self.emonitor_status.network.mac_address
         device_name = name_short_mac(mac_address[-6:])
-        label = self.channel_data.label or f"{device_name} {channel_number}"
+        label = self.channel_data.label or str(channel_number)
         if description.name is not UNDEFINED:
-            self._attr_name = f"{label} {description.name}"
+            self._attr_translation_placeholders = {"label": label}
             self._attr_unique_id = f"{mac_address}_{channel_number}_{description.key}"
         else:
             self._attr_name = label
diff --git a/homeassistant/components/emonitor/strings.json b/homeassistant/components/emonitor/strings.json
index 08ffe030890a..95f7f65bb988 100644
--- a/homeassistant/components/emonitor/strings.json
+++ b/homeassistant/components/emonitor/strings.json
@@ -22,5 +22,15 @@
     "abort": {
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
+  },
+  "entity": {
+    "sensor": {
+      "average": {
+        "name": "{label} average"
+      },
+      "max": {
+        "name": "{label} max"
+      }
+    }
   }
 }