diff --git a/homeassistant/components/nordpool/config_flow.py b/homeassistant/components/nordpool/config_flow.py
index d184c04f3ce..a9a834d8225 100644
--- a/homeassistant/components/nordpool/config_flow.py
+++ b/homeassistant/components/nordpool/config_flow.py
@@ -90,3 +90,22 @@ class NordpoolConfigFlow(ConfigFlow, domain=DOMAIN):
             data_schema=DATA_SCHEMA,
             errors=errors,
         )
+
+    async def async_step_reconfigure(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle the reconfiguration step."""
+        errors: dict[str, str] = {}
+        if user_input:
+            errors = await test_api(self.hass, user_input)
+            reconfigure_entry = self._get_reconfigure_entry()
+            if not errors:
+                return self.async_update_reload_and_abort(
+                    reconfigure_entry, data_updates=user_input
+                )
+
+        return self.async_show_form(
+            step_id="reconfigure",
+            data_schema=DATA_SCHEMA,
+            errors=errors,
+        )
diff --git a/homeassistant/components/nordpool/strings.json b/homeassistant/components/nordpool/strings.json
index e55950c7d67..59ba009eb90 100644
--- a/homeassistant/components/nordpool/strings.json
+++ b/homeassistant/components/nordpool/strings.json
@@ -1,5 +1,8 @@
 {
   "config": {
+    "abort": {
+      "reconfigure_successful": "[%key:common::config_flow::abort::reconfigure_successful%]"
+    },
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "no_data": "API connected but the response was empty"
@@ -10,6 +13,12 @@
           "currency": "Currency",
           "areas": "Areas"
         }
+      },
+      "reconfigure": {
+        "data": {
+          "currency": "[%key:component::nordpool::config::step::user::data::currency%]",
+          "areas": "[%key:component::nordpool::config::step::user::data::areas%]"
+        }
       }
     }
   },
diff --git a/tests/components/nordpool/test_config_flow.py b/tests/components/nordpool/test_config_flow.py
index dbd85a07a17..d17db619b02 100644
--- a/tests/components/nordpool/test_config_flow.py
+++ b/tests/components/nordpool/test_config_flow.py
@@ -15,12 +15,15 @@ from pynordpool import (
 import pytest
 
 from homeassistant import config_entries
-from homeassistant.components.nordpool.const import DOMAIN
+from homeassistant.components.nordpool.const import CONF_AREAS, DOMAIN
+from homeassistant.const import CONF_CURRENCY
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
 from . import ENTRY_CONFIG
 
+from tests.common import MockConfigEntry
+
 
 @pytest.mark.freeze_time("2024-11-05T18:00:00+00:00")
 async def test_form(hass: HomeAssistant, get_data: DeliveryPeriodData) -> None:
@@ -149,3 +152,94 @@ async def test_empty_data(hass: HomeAssistant, get_data: DeliveryPeriodData) ->
     assert result["type"] is FlowResultType.CREATE_ENTRY
     assert result["title"] == "Nord Pool"
     assert result["data"] == {"areas": ["SE3", "SE4"], "currency": "SEK"}
+
+
+@pytest.mark.freeze_time("2024-11-05T18:00:00+00:00")
+async def test_reconfigure(
+    hass: HomeAssistant,
+    load_int: MockConfigEntry,
+    get_data: DeliveryPeriodData,
+) -> None:
+    """Test reconfiguration."""
+
+    result = await load_int.start_reconfigure_flow(hass)
+
+    with (
+        patch(
+            "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
+            return_value=get_data,
+        ),
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            {
+                CONF_AREAS: ["SE3"],
+                CONF_CURRENCY: "EUR",
+            },
+        )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reconfigure_successful"
+    assert load_int.data == {
+        "areas": [
+            "SE3",
+        ],
+        "currency": "EUR",
+    }
+
+
+@pytest.mark.freeze_time("2024-11-05T18:00:00+00:00")
+@pytest.mark.parametrize(
+    ("error_message", "p_error"),
+    [
+        (NordPoolConnectionError, "cannot_connect"),
+        (NordPoolAuthenticationError, "cannot_connect"),
+        (NordPoolError, "cannot_connect"),
+        (NordPoolResponseError, "cannot_connect"),
+    ],
+)
+async def test_reconfigure_cannot_connect(
+    hass: HomeAssistant,
+    load_int: MockConfigEntry,
+    get_data: DeliveryPeriodData,
+    error_message: Exception,
+    p_error: str,
+) -> None:
+    """Test cannot connect error in a reeconfigure flow."""
+
+    result = await load_int.start_reconfigure_flow(hass)
+
+    with patch(
+        "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
+        side_effect=error_message,
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={
+                CONF_AREAS: ["SE3"],
+                CONF_CURRENCY: "EUR",
+            },
+        )
+
+    assert result["errors"] == {"base": p_error}
+
+    with patch(
+        "homeassistant.components.nordpool.coordinator.NordPoolClient.async_get_delivery_period",
+        return_value=get_data,
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"],
+            user_input={
+                CONF_AREAS: ["SE3"],
+                CONF_CURRENCY: "EUR",
+            },
+        )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reconfigure_successful"
+    assert load_int.data == {
+        "areas": [
+            "SE3",
+        ],
+        "currency": "EUR",
+    }