A battery is not essential for a solar system, but it can be a good idea if you want to store excess solar energy for use at night or during times of high electricity demand. Batteries can also help to improve the reliability of your solar system in the event of a power outage.

The installation time for a solar system depends on the size of the system and the complexity of the installation. In general, it takes about 2 days to install a solar system for a home./ The installation of a solar system typically takes one day. In cases when there is wet weather there might be a need for the team to come back on a second day.

New Zealand homeowners can often use green loans or sustainable finance options, like the Home Green Loan, to fund solar panel installations. These loans are typically offered by banks or financial institutions to support environmentally friendly upgrades such as solar power systems, insulation, or energy-efficient appliances.

There are no nationwide government subsidies for solar panel installations in New Zealand, several options can help reduce the upfront costs and make solar more accessible. These include competitive buy-back rates from electricity retailers for excess solar energy, green loans with favorable terms from banks