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Fronius Inverter Setup

This page contains instructions for configuring
chargers with Charge HQ
Please refer to our
charger listing for details on supported models and charger specifications.

You may find the setup process easier using a computer rather than a phone.


Before starting configuration - please check your device compatibility and supported configurations.

Step 1

Browse to https://www.solarweb.com/ and login with your Fronius account.


NOTE: If SETTINGS is not available please contact your solar installer and ask them to grant you Supervisor access to your system in Solarweb.

It is normal for system owners to have Supervisor access to their system but sometimes installers don't enable it.

Step 2

Click ADD.

NOTE: don't click GENERATE URL FOR GUEST ACCESS, that is not required by Charge HQ.

Step 3

Add connect@chargehq.net with Guest rights.

This gives Charge HQ permission to access your Fronius data.

Note: this will add connect@chargehq.net as a Pending Invitation. This invitation will be automatically accepted when you perform Step 5 below.

Step 4

Copy the pvSystemId value from the URL bar, this is the letters and numbers immediate to the right of the "=" sign. Do not include the "=".

Step 5

Login to the Charge HQ webapp in your web browser on your computer.

Go to Settings -> My Equipment -> Connect your Solar / Battery equipment

In the Solar Data Source Type drop down select "Fronius"

Then paste the pvSystemId value that you copied in Step 4 into the PV System ID field.

Click Connect.

Note: this step will also work in the mobile app but it generally easier to complete from a computer.

You will see a success message if it works. You should now see your solar generation on the home screen of Charge HQ.

Connection Troubleshooting

  • If you receive an error in step 5, try clicking Save again. Sometimes it takes a while for the Solarweb access to be enabled.
  • Check that you can see the output of your solar system in Fronius Portal or mobile app for the same login details you have granted us access to. If you cannot see recent solar production history the connection to Charge HQ will not work.
  • If you continue to receive errors after several attempts, we can provide direct support via our forum.

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