From 511ea09c9936c501219e7697bfb8ffee760e287c Mon Sep 17 00:00:00 2001
From: Markus Haack <markus.haack@gmail.com>
Date: Wed, 23 Sep 2020 04:04:01 +0200
Subject: [PATCH] Guard SolarEdge for inverters without batteries (#40295)

---
 homeassistant/components/solaredge/sensor.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/solaredge/sensor.py b/homeassistant/components/solaredge/sensor.py
index 3888b8bf536..2b085d1ba40 100644
--- a/homeassistant/components/solaredge/sensor.py
+++ b/homeassistant/components/solaredge/sensor.py
@@ -267,7 +267,8 @@ class SolarEdgeStorageLevelSensor(SolarEdgeSensor):
         """Get the latest inventory data and update state and attributes."""
         self.data_service.update()
         attr = self.data_service.attributes.get(self._json_key)
-        self._state = attr["soc"]
+        if attr and "soc" in attr:
+            self._state = attr["soc"]
 
 
 class SolarEdgeDataService: