diff --git a/homeassistant/components/opower/config_flow.py b/homeassistant/components/opower/config_flow.py
index d456fc536e58..ab1fbbe36e3b 100644
--- a/homeassistant/components/opower/config_flow.py
+++ b/homeassistant/components/opower/config_flow.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 from collections.abc import Mapping
 import logging
+import socket
 from typing import Any
 
 from opower import (
@@ -38,7 +39,7 @@ async def _validate_login(
 ) -> dict[str, str]:
     """Validate login data and return any errors."""
     api = Opower(
-        async_create_clientsession(hass),
+        async_create_clientsession(hass, family=socket.AF_INET),
         login_data[CONF_UTILITY],
         login_data[CONF_USERNAME],
         login_data[CONF_PASSWORD],
diff --git a/homeassistant/components/opower/coordinator.py b/homeassistant/components/opower/coordinator.py
index a474255e34dc..73c60068cd45 100644
--- a/homeassistant/components/opower/coordinator.py
+++ b/homeassistant/components/opower/coordinator.py
@@ -1,6 +1,7 @@
 """Coordinator to handle Opower connections."""
 from datetime import datetime, timedelta
 import logging
+import socket
 from types import MappingProxyType
 from typing import Any, cast
 
@@ -51,7 +52,7 @@ class OpowerCoordinator(DataUpdateCoordinator[dict[str, Forecast]]):
             update_interval=timedelta(hours=12),
         )
         self.api = Opower(
-            aiohttp_client.async_get_clientsession(hass),
+            aiohttp_client.async_get_clientsession(hass, family=socket.AF_INET),
             entry_data[CONF_UTILITY],
             entry_data[CONF_USERNAME],
             entry_data[CONF_PASSWORD],