diff --git a/homeassistant/components/nordpool/coordinator.py b/homeassistant/components/nordpool/coordinator.py
index a6cfd40c323..d2edb81b9e6 100644
--- a/homeassistant/components/nordpool/coordinator.py
+++ b/homeassistant/components/nordpool/coordinator.py
@@ -6,6 +6,7 @@ from collections.abc import Callable
 from datetime import datetime, timedelta
 from typing import TYPE_CHECKING
 
+import aiohttp
 from pynordpool import (
     Currency,
     DeliveryPeriodData,
@@ -91,6 +92,8 @@ class NordPoolDataUpdateCoordinator(DataUpdateCoordinator[DeliveryPeriodsData]):
         except (
             NordPoolResponseError,
             NordPoolError,
+            TimeoutError,
+            aiohttp.ClientError,
         ) as error:
             LOGGER.debug("Connection error: %s", error)
             self.async_set_update_error(error)
diff --git a/tests/components/nordpool/test_coordinator.py b/tests/components/nordpool/test_coordinator.py
index 71c4644ea95..c2d18c4702a 100644
--- a/tests/components/nordpool/test_coordinator.py
+++ b/tests/components/nordpool/test_coordinator.py
@@ -5,6 +5,7 @@ from __future__ import annotations
 from datetime import timedelta
 from unittest.mock import patch
 
+import aiohttp
 from freezegun.api import FrozenDateTimeFactory
 from pynordpool import (
     NordPoolAuthenticationError,
@@ -90,6 +91,36 @@ async def test_coordinator(
         assert state.state == STATE_UNAVAILABLE
         assert "Empty response" in caplog.text
 
+    with (
+        patch(
+            "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
+            side_effect=aiohttp.ClientError("error"),
+        ) as mock_data,
+    ):
+        assert "Response error" not in caplog.text
+        freezer.tick(timedelta(hours=1))
+        async_fire_time_changed(hass)
+        await hass.async_block_till_done(wait_background_tasks=True)
+        assert mock_data.call_count == 1
+        state = hass.states.get("sensor.nord_pool_se3_current_price")
+        assert state.state == STATE_UNAVAILABLE
+        assert "error" in caplog.text
+
+    with (
+        patch(
+            "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
+            side_effect=TimeoutError("error"),
+        ) as mock_data,
+    ):
+        assert "Response error" not in caplog.text
+        freezer.tick(timedelta(hours=1))
+        async_fire_time_changed(hass)
+        await hass.async_block_till_done(wait_background_tasks=True)
+        assert mock_data.call_count == 1
+        state = hass.states.get("sensor.nord_pool_se3_current_price")
+        assert state.state == STATE_UNAVAILABLE
+        assert "error" in caplog.text
+
     with (
         patch(
             "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
@@ -109,4 +140,4 @@ async def test_coordinator(
     async_fire_time_changed(hass)
     await hass.async_block_till_done()
     state = hass.states.get("sensor.nord_pool_se3_current_price")
-    assert state.state == "1.81645"
+    assert state.state == "1.81983"