How long does solar installation take in NZ?
How long a New Zealand home solar install takes on the roof, and how long quotes, consents, and grid connection usually add.
Once you decide to install solar power, most panel solar installation jobs in New Zealand take one to two days on the roof. A straightforward solar installation in home on a single-storey metal roof is often finished in a day. Tile roofs, multiple roof faces, or switchboard upgrades can take longer.
The calendar time from “I want quotes” to “the system is generating” is usually a few weeks, not a few days. Equipment lead times, installer schedules, and network approval sit around the actual roof work.
Typical timeline
You can keep using mains power throughout. The house is not normally without electricity for the whole job. The electrician will isolate circuits for short periods while the inverter and switchboard are connected.
- Quotes: a few days after you share your details and power bill
- Decision and deposit: whenever you are ready — there is no obligation to accept a quote
- Equipment and scheduling: often one to three weeks, sometimes longer if stock is tight
- Installation day: usually 1–2 days on site
- Inspection and grid connection: varies by network and retailer, often days to a couple of weeks
What can slow it down
Council or network requirements, an old switchboard, asbestos concerns, or difficult roof access can add time. Shading from trees does not always delay install, but it can change the design, which is better sorted before anyone is on the roof.
Ask the installer what is included in their timeline: scaffold, meter or export setup, and who lodges the distributed generation application. A clear schedule is part of a good quote, not an extra favour.
How to start without waiting around
The fastest path is to request quotes now, even if you are still researching. Installers can tell you lead times for your area — Auckland, Wellington, Christchurch, and regional towns do not all run on the same diary.
Submit the form on this site and you will be matched with local installers. You also get the free NZ solar guide immediately, so you can read while the quotes come back.