Breaking the infamous ‘133% Solar Oversize Rule’ won’t get you in trouble if you add a battery. Or will it?
It depends on who you ask…
But before we get to that, a brief history of the rule.
The Australian Solar Panel Array Oversize Rule
Why do solar companies everywhere offer 6.6 kW of solar as their standard offer?
It’s because of the rules. Or, to be more specific, the “Clean Energy Council Guidelines For Grid-Connected Solar PV Systems (No Storage)“. This is a set of guidelines that must be followed when designing and installing solar power systems.
If your solar designer does not follow them, you are not eligible for the STCs on the system. In other words, you won’t get the ‘solar rebate‘, and your system will be thousands of dollars more expensive1.
We are talking specifically about “Guideline 4.4 : Array peak power – inverter sizing”:
4.4.1 In…
