diff --git a/homeassistant/components/discovergy/config_flow.py b/homeassistant/components/discovergy/config_flow.py
index 3434b1dd84c..e035661db10 100644
--- a/homeassistant/components/discovergy/config_flow.py
+++ b/homeassistant/components/discovergy/config_flow.py
@@ -85,7 +85,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
                     httpx_client=get_async_client(self.hass),
                     authentication=BasicAuth(),
                 ).meters()
-            except discovergyError.HTTPError:
+            except (discovergyError.HTTPError, discovergyError.DiscovergyClientError):
                 errors["base"] = "cannot_connect"
             except discovergyError.InvalidLogin:
                 errors["base"] = "invalid_auth"
diff --git a/homeassistant/components/discovergy/coordinator.py b/homeassistant/components/discovergy/coordinator.py
index 1371b1f26ac..5f27c6a43d2 100644
--- a/homeassistant/components/discovergy/coordinator.py
+++ b/homeassistant/components/discovergy/coordinator.py
@@ -5,7 +5,7 @@ from datetime import timedelta
 import logging
 
 from pydiscovergy import Discovergy
-from pydiscovergy.error import AccessTokenExpired, HTTPError
+from pydiscovergy.error import DiscovergyClientError, HTTPError, InvalidLogin
 from pydiscovergy.models import Meter, Reading
 
 from homeassistant.core import HomeAssistant
@@ -44,11 +44,11 @@ class DiscovergyUpdateCoordinator(DataUpdateCoordinator[Reading]):
         """Get last reading for meter."""
         try:
             return await self.discovergy_client.meter_last_reading(self.meter.meter_id)
-        except AccessTokenExpired as err:
+        except InvalidLogin as err:
             raise ConfigEntryAuthFailed(
                 f"Auth expired while fetching last reading for meter {self.meter.meter_id}"
             ) from err
-        except HTTPError as err:
+        except (HTTPError, DiscovergyClientError) as err:
             raise UpdateFailed(
                 f"Error while fetching last reading for meter {self.meter.meter_id}"
             ) from err
diff --git a/tests/components/discovergy/test_config_flow.py b/tests/components/discovergy/test_config_flow.py
index bc4fd2d9e9d..ad9fde46b64 100644
--- a/tests/components/discovergy/test_config_flow.py
+++ b/tests/components/discovergy/test_config_flow.py
@@ -1,7 +1,7 @@
 """Test the Discovergy config flow."""
 from unittest.mock import Mock, patch
 
-from pydiscovergy.error import HTTPError, InvalidLogin
+from pydiscovergy.error import DiscovergyClientError, HTTPError, InvalidLogin
 
 from homeassistant import data_entry_flow
 from homeassistant.components.discovergy.const import DOMAIN
@@ -114,6 +114,25 @@ async def test_form_cannot_connect(hass: HomeAssistant) -> None:
     assert result2["errors"] == {"base": "cannot_connect"}
 
 
+async def test_form_client_error(hass: HomeAssistant) -> None:
+    """Test we handle cannot connect error."""
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": SOURCE_USER}
+    )
+
+    with patch("pydiscovergy.Discovergy.meters", side_effect=DiscovergyClientError):
+        result2 = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {
+                CONF_EMAIL: "test@example.com",
+                CONF_PASSWORD: "test-password",
+            },
+        )
+
+    assert result2["type"] == data_entry_flow.FlowResultType.FORM
+    assert result2["errors"] == {"base": "cannot_connect"}
+
+
 async def test_form_unknown_exception(hass: HomeAssistant) -> None:
     """Test we handle cannot connect error."""
     result = await hass.config_entries.flow.async_init(