The answer
Can every solar installation be reported to the network after it is fitted?
Some smaller systems can be reported after installation, but others need permission from the electricity network first. Ask your installer which route applies to your exact solar and battery design before work starts.
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The inverter matters, not just the panel count
The network looks at how much electrical power the system can send out. Two roofs with the same number of panels can need different approvals if their inverters differ.
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Include any battery in the network check
A battery may also send power onto your wiring or the grid. Tell the installer about batteries and solar equipment already there, not just what you plan to add.
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Network limits may change the design
The electricity network may ask for an export limit or an upgrade. That can change the price, the time needed and how much spare solar power you can sell.
Does the network need to approve your system first?
The applicable process depends on the inverter and the existing connection, including other generation already installed. Some designs are notified under the relevant route; others need approval before installation. Ask the installer to identify whether G98 or G99 applies and who will submit the information to the distribution network operator.
A network response can set an export limit or require work. That changes projected income and can affect inverter or battery design. Resolve the likely route before a commercial project commits to equipment or a narrow installation window.
What to check next
Your next steps
Where we checked the facts
Check the original information.
These official pages back up the rules and technical details above. They can change, so check them again before spending money or starting work.
Apply this to your own property
Could solar work on your roof?
A free survey checks your roof and electricity use to see whether solar panels, a battery or both may fit your property.