The cost to go off-grid will depend on your expected/anticipated energy demand. With knowledge of your energy demand we can then help you size your battery storage, solar PV, generator, microgrid inverter, etc.

It is worth noting that connecting a new block to the power grid can cost between $15,000 and $50,000 depending on the situation. And a typical energy bill for the average household is around $3000-$4000 per year (or higher in colder areas).  Given the cost of grid connection and supply, a well maintained and high quality off-grid system is likely to be cheaper in the long run (20 years +), depending on your particular situation (if grid connection is >$30,000 you can pretty much assume off-grid will be cheaper).   

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You want as large a rooftop solar PV system as you can fit on your roof to reduce the amount of time you need to rely on your backup generator  that may be required for periods during winter periods or times of low solar radiation (i.e. multiple cloudy days).

We generally recommend a minimum 10kW solar PV system, but the final size will depend on your anticipated load/demand. We can help you work this out by using our load profile sheet as part of our comprehensive quoting process.

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Your solar system should cover your power needs 95% + of the time, however we highly recommend a good quality, automatic start generator to ensure you have energy security and full power capacity throughout the worst days of winter.

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You have a Selectronic SP PRO Series 2i Inverter and would like to ensure you keep the Firmware up to date?

1. Ensure you have the Latest SP LINK Software downloaded. This is critical to ensuring the latest Firmware gets loaded onto the SP PRO.
2. Go to the Selectronic website here to download the latest SP LINK version
3. Open SP LINK on your Windows PC and confirm you have the latest SP LINK installed - you can go to "Help" -> "Check for Updates")
4. In SP LINK go to "File" then go to "Firmware Update..."
5. If an SP PRO Firmware Update has been detected, click the button, "Update Firmware and Restart SP PRO on completion"
6. During the SP PRO restart, "the SP PRO may be inaccessible for a few minutes while the firmware is installing. During this time, the SP PRO alarm may sound."
7. Once uploaded and restarted - your SP PRO should now have the latest Firmware and will say, "The firmware is already up to date."

NB: The Selectronic website for a full history of the Selectronic SP LINK and SP PRO software and firmware updates

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You can view your Myenergi Zappi EV charger basic controls and data on the Myenergi Hub.

If you would like to update your Myenergi Hub to the latest firmware, some details for how to update this:

The Myenergi Hub has two buttons. The steps to update the firmware:

1. Unplug Power to the hub
2. Press and hold the 'Download' button (right hand side)
3. Keep pressing the 'Download' button while you plug the power back into the hub
4. Check the status lights on the Hub – once the Power LED turns yellow, release the button
5. The Power LED light should be Green and the Server LED light should be white while the firmware is downloading
6. Once the download is complete the Server LED light will turn green (or blue) again

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If your Zappi EV charger is not pairing with the Myenrgi Hub - a possibility is 'channel' on the Myenergi Hub does not match the channel on the Zappi EV Charger.

The remedy to try is to change the channel on your Myenergi Hub so it matches your Zappi EV Charger. Typically by default your Zappi EV Charger channel will be set to Channel 1 (A).

To change the Myenergi Hub Channel firstly:

Put Hub into Pairing mode

To put the hub into pairing mode, briefly press the left-hand button (Pair / Channel)

The Power LED will flash red and one of the other LEDs will be lit to indicate which channel the hub is using. The channel number is written under the LED.

Next how to Change the channel

While the hub is in pairing mode (Power LED flashing red), press and hold the left-hand button. The channel LED will cycle through the channels – Blue for channels 1-4 and White for channels 5-8

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Myenergi changing radio frequency

Hubs manufactured from May 2020 onward can operate on two different frequencies – 868Mhz and 915MHz. The frequency used depends on laws in the country where the hub is being used. The hub should be supplied from the factory to operate on the correct frequency, but if the frequency needs to be changed then:

• Press and hold the left hand button (Pair / Channel)
• Now press and hold the right hand button (Mode / Download) and keep both buttons pressed for 10 secs
  • The power LED indicates the current frequency (Yellow for 915Mhz – Australia, Off for 868Mhz)
• After ten seconds the Server LED will change colour
  • From Off to Yellow when swapping to 915MHz
  • From Yellow to Off when swapping to 868MHz
• Let go of the buttons

To confirm which radio frequency is being used, put the hub into Pairing Mode. The Server LED will not be lit for 868MHz and will be yellow for 915MHz. If there are still issues pairing after changing frequency, try moving the hub and zappi to channel 2. Note, if harvi is in use, this will also need to be on channel 2

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No, this is not possible because having two smart meters under a single system will lead to an incorrect visualization of the consumption values in Fronius Solar.web. However this is possible when one smart meter is set to feed-in point and the other smart meter is set to consumption path. This configuration is possible only if a combination of Fronius Datamanager 2.0 box and Fronius Datamanager 2.0 card is used.

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Yes, if your export limit is equal to or greater than the other inverter’s output capacity this can be done. Please note: The Fronius Smart Meter will not control the power output of the third-party inverter. For example: If the third-party inverter is 1.5 kW and Fronius inverter is 5 kW and there is only 5 kW allowed to export, then the export limitation value that can be set on the Fronius inverter is 5 kW.

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Using a Fronius Smart Meter it is possible to export limit on the Fronius Symo Hybrid but not on the Fronius Symo inverter because the Fronius Smart Meter will be connected to the Fronius Symo Hybrid inverter, which in turn cannot be daisy chained with the Fronius Symo inverter.

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