From 75a2ac08080378ad1ab8495ba5f13df2495a0e5c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Hjelseth=20H=C3=B8yer?= <mail@dahoiv.net>
Date: Mon, 16 Aug 2021 16:10:07 +0200
Subject: [PATCH] Update melcloud to use state class total increasing (#54607)

---
 homeassistant/components/melcloud/sensor.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/melcloud/sensor.py b/homeassistant/components/melcloud/sensor.py
index 12029127b84..608c3547724 100644
--- a/homeassistant/components/melcloud/sensor.py
+++ b/homeassistant/components/melcloud/sensor.py
@@ -11,11 +11,11 @@ from homeassistant.components.sensor import (
     DEVICE_CLASS_ENERGY,
     DEVICE_CLASS_TEMPERATURE,
     STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
     SensorEntity,
     SensorEntityDescription,
 )
 from homeassistant.const import ENERGY_KILO_WATT_HOUR, TEMP_CELSIUS
-from homeassistant.util import dt as dt_util
 
 from . import MelCloudDevice
 from .const import DOMAIN
@@ -150,10 +150,11 @@ class MelDeviceSensor(SensorEntity):
 
         self._attr_name = f"{api.name} {description.name}"
         self._attr_unique_id = f"{api.device.serial}-{api.device.mac}-{description.key}"
-        self._attr_state_class = STATE_CLASS_MEASUREMENT
 
         if description.device_class == DEVICE_CLASS_ENERGY:
-            self._attr_last_reset = dt_util.utc_from_timestamp(0)
+            self._attr_state_class = STATE_CLASS_TOTAL_INCREASING
+        else:
+            self._attr_state_class = STATE_CLASS_MEASUREMENT
 
     @property
     def native_value(self):