Add Tank Utility (#3243)

source/_components/sensor.tank_utility.markdown

@@ -0,0 +1,44 @@
+---
+layout: page
+title: "Tank Utility Sensor"
+description: "How to integrate Tank Utility sensors within Home Assistant."
+date: 2017-08-24 08:21
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: tank_utility.png
+ha_category: Sensor
+ha_release: "0.53"
+---
+
+Add [Tank Utility](https://www.tankutility.com/) propane tank monitors to Home Assistant.
+
+```yaml
+# Example configuration.yaml entry
+sensor:
+  - platform: tank_utility
+    email: EMAIL
+    password: PASSWORD
+    devices:
+      - 000000000000000000000000
+```
+
+Configuration variables:
+
+* **email** *(Required)*: [https://app.tankutility.com](https://app.tankutility.com) email address
+* **password** *(Required)*: [https://app.tankutility.com](https://app.tankutility.com) password
+* **devices** *(Required)*: List of devices
+
+Authentication:
+
+Authentication for the Tank Utility API is performed with the same email and password credentials used at
+[https://app.tankutility.com](https://app.tankutility.com).
+
+Devices:
+
+Each item in the list of devices is a 24 character string.  These values can be found by clicking on the **Usage
+Reports** link at the bottom of the graph on the [Tank Utility devices page](https://app.tankutility.com/#/devices).
+The device item value is the last segment of the URL path, e.g., the URL
+[https://app.tankutility.com/#/reports/000000000000000000000000](https://app.tankutility.com/#/reports/000000000000000000000000)
+would indicate `000000000000000000000000` as a device value.