diff --git a/homeassistant/components/enphase_envoy/__init__.py b/homeassistant/components/enphase_envoy/__init__.py
index db36cab1288..f4fe4aff2cb 100644
--- a/homeassistant/components/enphase_envoy/__init__.py
+++ b/homeassistant/components/enphase_envoy/__init__.py
@@ -51,8 +51,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: EnphaseConfigEntry) -> b
         # wait for the next discovery to find the device at its new address
         # and update the config entry so we do not mix up devices.
         raise ConfigEntryNotReady(
-            f"Unexpected device found at {host}; expected {entry.unique_id}, "
-            f"found {envoy.serial_number}"
+            translation_domain=DOMAIN,
+            translation_key="unexpected_device",
+            translation_placeholders={
+                "host": host,
+                "expected_serial": str(entry.unique_id),
+                "actual_serial": str(envoy.serial_number),
+            },
         )
 
     entry.runtime_data = coordinator
diff --git a/homeassistant/components/enphase_envoy/coordinator.py b/homeassistant/components/enphase_envoy/coordinator.py
index 00bc7666f78..386661402de 100644
--- a/homeassistant/components/enphase_envoy/coordinator.py
+++ b/homeassistant/components/enphase_envoy/coordinator.py
@@ -18,7 +18,7 @@ from homeassistant.helpers.event import async_track_time_interval
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 import homeassistant.util.dt as dt_util
 
-from .const import INVALID_AUTH_ERRORS
+from .const import DOMAIN, INVALID_AUTH_ERRORS
 
 SCAN_INTERVAL = timedelta(seconds=60)
 
@@ -158,9 +158,23 @@ class EnphaseUpdateCoordinator(DataUpdateCoordinator[dict[str, Any]]):
                     # token likely expired or firmware changed, try to re-authenticate
                     self._setup_complete = False
                     continue
-                raise ConfigEntryAuthFailed from err
+                raise ConfigEntryAuthFailed(
+                    translation_domain=DOMAIN,
+                    translation_key="authentication_error",
+                    translation_placeholders={
+                        "host": envoy.host,
+                        "args": err.args[0],
+                    },
+                ) from err
             except EnvoyError as err:
-                raise UpdateFailed(f"Error communicating with API: {err}") from err
+                raise UpdateFailed(
+                    translation_domain=DOMAIN,
+                    translation_key="envoy_error",
+                    translation_placeholders={
+                        "host": envoy.host,
+                        "args": err.args[0],
+                    },
+                ) from err
 
             # if we have a firmware version from previous setup, compare to current one
             # when envoy gets new firmware there will be an authentication failure
diff --git a/homeassistant/components/enphase_envoy/quality_scale.yaml b/homeassistant/components/enphase_envoy/quality_scale.yaml
index c4077b8df67..4b83c2886f7 100644
--- a/homeassistant/components/enphase_envoy/quality_scale.yaml
+++ b/homeassistant/components/enphase_envoy/quality_scale.yaml
@@ -108,9 +108,7 @@ rules:
   entity-device-class: done
   entity-disabled-by-default: done
   entity-translations: done
-  exception-translations:
-    status: todo
-    comment: pending https://github.com/home-assistant/core/pull/132483
+  exception-translations: done
   icon-translations: todo
   reconfiguration-flow: done
   repair-issues:
diff --git a/homeassistant/components/enphase_envoy/strings.json b/homeassistant/components/enphase_envoy/strings.json
index a338deb9638..a78d0bc032a 100644
--- a/homeassistant/components/enphase_envoy/strings.json
+++ b/homeassistant/components/enphase_envoy/strings.json
@@ -371,5 +371,16 @@
         "name": "Grid enabled"
       }
     }
+  },
+  "exceptions": {
+    "unexpected_device": {
+      "message": "Unexpected Envoy serial-number found at {host}; expected {expected_serial}, found {actual_serial}"
+    },
+    "authentication_error": {
+      "message": "Envoy authentication failure on {host}: {args}"
+    },
+    "envoy_error": {
+      "message": "Error communicating with Envoy API on {host}: {args}"
+    }
   }
 }