If you want more panels than your inverter can handle using the 133 rule or you can t find compatible panels then your next option is.
Can i upgrade my solar system.
If you re installing a new pool welcoming a new member of the family or your system is no longer meeting your current electricity needs expanding your solar power system can be a great way to handle increasing electricity bills and maximise your current savings.
Inverter prices have come down and features have improved so this may be worth considering especially if you have a lower quality or old solar inverter.
2 it depends on your installer finding the same or very similar panels to your existing ones.
From a technical standpoint we cannot add panels to an existing solar installation that is older than a year or two.
Only a cec accredited solar installer who has inspected your system can advise you on the exact requirements for your upgrade.
You can now easily expand your existing system and add solar panels to a total array that is right for your energy needs.
1 unless your original solar installer does the upgrade you will void your existing system warranty.