Solar Export Limiting or Zero Export. What Does it Mean?
Before a new solar panel system can be installed, it must first be approved for connection to the electricity grid by the local network distributor. Generally, this happens without a hitch. But in some cases, solar panel system owners are sometimes told that their property is solar export limiting or zero export limited for solar.
What Does ‘Zero Exports’ Mean?
A zero export limit occurs when your local network distributor – the firm that owns the electricity poles and lines – advises that you are not permitted to export any surplus electricity from your projected solar power system to the power grid.
Zero export limits are established property by property. The only method to find out if your property is zero export limited is to apply to your local network distributor for authorization to install a solar panel installation. Prior to installing the system, your Solar Installer sends the application to the network distributor.
Assume you want to install a 6.6kW solar panel system on your home. Your Solar Installer (for example, Isolux) submits an application to your network distributor (for example, Powercor) for approval to install a 6.6kW solar panels system.
The network distributor will reply in one of three ways:
1. Gives permission for installation and full exports.
2. Allows installation but has an export limit.
3. Allows installation but has a zero export limit.
What Happens to the Surplus Power That Can’t Be Exported to the Grid?
There are two options:
1. Store it and use it later (this requires solar battery storage), or it disappears into thin air via a heat sink.
2. Nobody wants to see solar energy go to waste. That is why, if your export capacity is limited, you should explore solar energy storage options.
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