diff --git a/.gitignore b/.gitignore
index e3711c8..76296d5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ __pycache__
 pythonenv*
 .coverage
 coverage.xml
+.storage
\ No newline at end of file
diff --git a/custom_components/openei/__init__.py b/custom_components/openei/__init__.py
index 2821c96..60e3497 100644
--- a/custom_components/openei/__init__.py
+++ b/custom_components/openei/__init__.py
@@ -4,6 +4,7 @@
 from datetime import datetime, timedelta
 
 import openeihttp
+import os
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
@@ -89,6 +90,7 @@ async def _async_update_data(self) -> dict:
             except AssertionError:
                 pass
             except Exception as exception:
+                _LOGGER.debug("Exception: %s", exception)
                 raise UpdateFailed() from exception
         return self._data
 
@@ -109,6 +111,7 @@ async def _async_refresh_data(self, data=None) -> None:
         except AssertionError:
             pass
         except Exception as exception:
+            _LOGGER.debug("Exception: %s", exception)
             raise UpdateFailed() from exception
 
     async def get_sensors(self) -> dict:
@@ -116,6 +119,7 @@ async def get_sensors(self) -> dict:
         api = self._config.data.get(CONF_API_KEY)
         plan = self._config.data.get(CONF_PLAN)
         meter = self._config.data.get(CONF_SENSOR)
+        cache_file = f'.storage/openei_{self._config.entry_id}'
         reading = None
 
         if self._config.data.get(CONF_MANUAL_PLAN):
@@ -134,6 +138,7 @@ async def get_sensors(self) -> dict:
             api=api,
             plan=plan,
             reading=reading,
+            cache_file=cache_file,
         )
         if self._rate_limit_count == 0:
             try:
diff --git a/custom_components/openei/manifest.json b/custom_components/openei/manifest.json
index 1f72809..edb7669 100644
--- a/custom_components/openei/manifest.json
+++ b/custom_components/openei/manifest.json
@@ -7,6 +7,6 @@
   "documentation": "https://github.com/firstof9/ha-openei",
   "iot_class": "cloud_polling",
   "issue_tracker": "https://github.com/firstof9/ha-openei/issues",
-  "requirements": ["python_openei==0.2.1", "aiofiles"],
+  "requirements": ["python_openei==0.2.3", "aiofiles"],
   "version": "0.1.6"
 }
diff --git a/requirements_tests.txt b/requirements_tests.txt
index 2a240da..6f5ab03 100644
--- a/requirements_tests.txt
+++ b/requirements_tests.txt
@@ -1,5 +1,5 @@
 -r requirements_dev.txt
-python_openei==0.2.1
+python_openei==0.2.3
 pytest
 pytest-cov
 pytest-homeassistant-custom-component