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How it works

The inverter has a WIFI transmitter that wirelessly connects with your WIFI enabled home router in the same way your laptop, mobiles and printer probably does (user name and password).

You set up a free account via the inverter manufacturer's website and the data flows from the inverter through your router to the manufacturer website, where you can then log in from anywhere and see what's going on in real time or run historical reports.

Who's got solar WIFI that actually works well?

Fronius, Huawei, SolarEdge, Goodwe, Sungrow, Growatt and SMA

What about SMA?

The new Sunny Boy (SB) 40 range from SMA includes both a WIFI and a wired solution.

The LCD screen on the inverter is gone though.

Both the wired and WIFI solution uses Web Connect

How much extra for WIFI?

Huawei, Goodwe, SMA, Fronius, Growatt and Sungrow WIFI is currently included free

SolarEdge is $90 extra.

What about other brands that claim to have WIFI?

Reliable WIFI is difficult. Our experience with other brands, WIFI has not been good.

Huawei WIFI Setup instructions.Click here


WIFI Setup instructions for Goodwe and Fronius Inverters

The method of connecting to a solar inverter WIFI inverter is pretty much identical for every brand. Using a smartphone or PC connected via WIFI you connect to the WIFI hotspot created by the inverter, enter your home network details and password so the inverter can transmit data through your router. You then create an account on the manufacturers website which includes the details of your inverter and then the inverter transmits the solar data every few minutes to the website which you can then view from a Smartphone app or PC.



Goodwe WIFI setup instructions (for web browser)



Growatt WIFI setup instructions


Fronius WIFI Setup for Android or Apple Smartphones

Download and install the Fronius Solar.web live app for iPhone or Android

Open the app, and press the red icon in the bottom right of the screen and then click

Setup my Fronius Inverter. Then select Grid Connected Inverter.
Go to your Fronius inverter and press the Menu button (2nd button from the right)

Scroll right until you get to the Setup menu and then press Enter (furthest right button)

Scroll down to WIFI Access Point and press Enter and then Enter again to Activate WIFI

On your smartphone go to your WIFI networks list and connect to Fronius.
The temporary password is 12345678.
In the Solar Web app, click SolarWeb Wizard and enter the details
Feed in tariff (what you get paid for surplus power sent back into the grid) in 2016 is 0.07135,
and Grid supply tariff (what you pay Synergy is 0.2647. You will need to update these prices every time Synergy increase their prices. When you have entered the date time and time zone, click Forward

Give your system any name you like and then enter the PV Power in Watts (e.g. if you have 5.3kW of solar panels then enter 5300) , and then press Forward and then Accept. Select your home WIFI from the list and then enter your home WIFI password and then click Connect. Exit the App and re-connect to your home WIFI.
Test that you can access the Internet, and then re-open the Fronius Solar Web app. I will attempt to connect to the network, and can take a while. When it has connected, click Forward, and then enter a new password for your inverter, replacing the default 12345678, and click Finish.

The app will take you to the website where you need to register for a new account and then fill in all the details requested. You will be emailed a confirmation link to verify your email address for alerts. Respond to this (check your junk folder if you don't see an email, and if it has gone to junk allow all future emails from to be accepted).

Re-open the Solarweb app and click on the red icon in the bottom right again, and click Login to SolarWeb

Enter the email address and password that you used to register your new account and click Log In. t takes about 15 minutes.

Fronius Warranty Extension

The standard Fronius warranty is 5 years parts, and 5 years labour. You are entitled to an extension of a further 5 years if you register your new installation.

Click this link for details (and don't worry about the expiry date)

Once you have registered, Fronius will send you a certificate showing your 10 year warranty. If you don't receive the email within 48 hours from Fronius with your certficate, and it's not in your Junk/Spam folder, then register again.