diff --git a/homeassistant/components/amberelectric/config_flow.py b/homeassistant/components/amberelectric/config_flow.py
index c25258e2e33..b5f034b4448 100644
--- a/homeassistant/components/amberelectric/config_flow.py
+++ b/homeassistant/components/amberelectric/config_flow.py
@@ -16,7 +16,7 @@ from homeassistant.helpers.selector import (
     SelectSelectorMode,
 )
 
-from .const import CONF_SITE_ID, CONF_SITE_NAME, DOMAIN
+from .const import CONF_SITE_ID, CONF_SITE_NAME, DOMAIN, REQUEST_TIMEOUT
 
 API_URL = "https://app.amber.com.au/developers"
 
@@ -64,7 +64,9 @@ class AmberElectricConfigFlow(ConfigFlow, domain=DOMAIN):
         api = amberelectric.AmberApi(api_client)
 
         try:
-            sites: list[Site] = filter_sites(api.get_sites())
+            sites: list[Site] = filter_sites(
+                api.get_sites(_request_timeout=REQUEST_TIMEOUT)
+            )
         except amberelectric.ApiException as api_exception:
             if api_exception.status == 403:
                 self._errors[CONF_API_TOKEN] = "invalid_api_token"
diff --git a/homeassistant/components/amberelectric/const.py b/homeassistant/components/amberelectric/const.py
index 490ef3dc2dc..3a1dbc9023a 100644
--- a/homeassistant/components/amberelectric/const.py
+++ b/homeassistant/components/amberelectric/const.py
@@ -21,3 +21,5 @@ SERVICE_GET_FORECASTS = "get_forecasts"
 GENERAL_CHANNEL = "general"
 CONTROLLED_LOAD_CHANNEL = "controlled_load"
 FEED_IN_CHANNEL = "feed_in"
+
+REQUEST_TIMEOUT = 15
diff --git a/homeassistant/components/amberelectric/coordinator.py b/homeassistant/components/amberelectric/coordinator.py
index a1efef26aae..2ea14b5200b 100644
--- a/homeassistant/components/amberelectric/coordinator.py
+++ b/homeassistant/components/amberelectric/coordinator.py
@@ -16,7 +16,7 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
-from .const import LOGGER
+from .const import LOGGER, REQUEST_TIMEOUT
 from .helpers import normalize_descriptor
 
 type AmberConfigEntry = ConfigEntry[AmberUpdateCoordinator]
@@ -82,7 +82,11 @@ class AmberUpdateCoordinator(DataUpdateCoordinator):
             "grid": {},
         }
         try:
-            data = self._api.get_current_prices(self.site_id, next=288)
+            data = self._api.get_current_prices(
+                self.site_id,
+                next=288,
+                _request_timeout=REQUEST_TIMEOUT,
+            )
             intervals = [interval.actual_instance for interval in data]
         except ApiException as api_exception:
             raise UpdateFailed("Missing price data, skipping update") from api_exception
diff --git a/tests/components/amberelectric/test_coordinator.py b/tests/components/amberelectric/test_coordinator.py
index 0e82d81f4e8..b4557fb2a4d 100644
--- a/tests/components/amberelectric/test_coordinator.py
+++ b/tests/components/amberelectric/test_coordinator.py
@@ -15,7 +15,11 @@ from amberelectric.models.spike_status import SpikeStatus
 from dateutil import parser
 import pytest
 
-from homeassistant.components.amberelectric.const import CONF_SITE_ID, CONF_SITE_NAME
+from homeassistant.components.amberelectric.const import (
+    CONF_SITE_ID,
+    CONF_SITE_NAME,
+    REQUEST_TIMEOUT,
+)
 from homeassistant.components.amberelectric.coordinator import AmberUpdateCoordinator
 from homeassistant.const import CONF_API_TOKEN
 from homeassistant.core import HomeAssistant
@@ -104,7 +108,9 @@ async def test_fetch_general_site(hass: HomeAssistant, current_price_api: Mock)
     result = await data_service._async_update_data()
 
     current_price_api.get_current_prices.assert_called_with(
-        GENERAL_ONLY_SITE_ID, next=288
+        GENERAL_ONLY_SITE_ID,
+        next=288,
+        _request_timeout=REQUEST_TIMEOUT,
     )
 
     assert result["current"].get("general") == GENERAL_CHANNEL[0].actual_instance
@@ -136,7 +142,9 @@ async def test_fetch_no_general_site(
         await data_service._async_update_data()
 
     current_price_api.get_current_prices.assert_called_with(
-        GENERAL_ONLY_SITE_ID, next=288
+        GENERAL_ONLY_SITE_ID,
+        next=288,
+        _request_timeout=REQUEST_TIMEOUT,
     )
 
 
@@ -150,7 +158,9 @@ async def test_fetch_api_error(hass: HomeAssistant, current_price_api: Mock) ->
     result = await data_service._async_update_data()
 
     current_price_api.get_current_prices.assert_called_with(
-        GENERAL_ONLY_SITE_ID, next=288
+        GENERAL_ONLY_SITE_ID,
+        next=288,
+        _request_timeout=REQUEST_TIMEOUT,
     )
 
     assert result["current"].get("general") == GENERAL_CHANNEL[0].actual_instance
@@ -201,7 +211,9 @@ async def test_fetch_general_and_controlled_load_site(
     result = await data_service._async_update_data()
 
     current_price_api.get_current_prices.assert_called_with(
-        GENERAL_AND_CONTROLLED_SITE_ID, next=288
+        GENERAL_AND_CONTROLLED_SITE_ID,
+        next=288,
+        _request_timeout=REQUEST_TIMEOUT,
     )
 
     assert result["current"].get("general") == GENERAL_CHANNEL[0].actual_instance
@@ -241,7 +253,9 @@ async def test_fetch_general_and_feed_in_site(
     result = await data_service._async_update_data()
 
     current_price_api.get_current_prices.assert_called_with(
-        GENERAL_AND_FEED_IN_SITE_ID, next=288
+        GENERAL_AND_FEED_IN_SITE_ID,
+        next=288,
+        _request_timeout=REQUEST_TIMEOUT,
     )
 
     assert result["current"].get("general") == GENERAL_CHANNEL[0].actual_instance