What grid connection approval means
Before a solar system operates in parallel with the grid, the local network usually needs to approve the connection. Approval confirms technical requirements such as inverter settings, export limits, phase connection and metering steps.
Export limits explained
An export limit controls how much surplus solar can flow from the property to the grid at one time. A system may still generate power for the home while limiting exports. In some locations, zero-export or dynamic export settings may apply.
Why networks limit exports
Local poles and wires were originally designed for one-way flows from large generators to customers. High rooftop solar uptake can create voltage and capacity issues on some feeders. Export limits help networks keep the system stable while more technology is added.
Static versus dynamic exports
Static export limits use a fixed cap. Dynamic exports can vary depending on network conditions and compatible equipment. Dynamic systems are emerging across parts of Australia as networks modernise.
Questions to ask before signing
Ask whether network approval is included, what export limit is expected, whether a meter change is required, which inverter settings apply and what documentation you will receive. Keep the answer in writing.
Quick FAQ
Can a system be larger than the export limit?
Often yes, if approved. The home can use solar directly while exports are capped.
Is zero export the same as off-grid?
No. A zero-export system may still be connected to the grid but configured not to send surplus energy out.
Who decides the limit?
The local electricity distributor or network service provider usually sets the technical connection requirements.