Generators

Generators in New Zealand

Updated 4 November 2026

An inverter generator for home backup or a worksite costs roughly NZ$700 to NZ$2,800 in New Zealand right now, and portable battery power stations range from about NZ$400 to NZ$4,900. The quickest way to see current prices for your power needs is to describe them in a BlaBlaPrice request, which is free for buyers.

Warranty and rules to check

Warranty terms differ by brand, so read them before you pay. One maker covers its generators for 4 years at home or 2 years commercial use on genuine products, and Honda's 4-year domestic warranty applies only to units bought from a New Zealand dealer after 1 January 2013. Generators from parallel importers may not carry a nationwide warranty, so buy from an authorised dealer. Under the Consumer Guarantees Act, products bought for personal or household use come with guarantees that apply on top of any manufacturer warranty. If a generator will be wired into a building, the electrical standard for generating sets covers how it is located, protected and connected, so have a qualified electrician do that part.

Season and timing

November is early summer here, with summer running December to February and winter June to August. A generator bought in autumn or early winter is ready before storms cut power, which is when many households need it. Summer is for camping and holiday homes, when a portable battery station can run lights and a fridge without fuel.

Delivery and how it is bought

Ask sellers for delivery between Auckland, Wellington, Christchurch, Hamilton and Tauranga, because a generator is heavy and freight can add a lot to the price. Sellers quote power in kW or kVA, fuel tank size in litres and run time in hours, so use those units. Ask each seller whether the price includes GST.

What to put in your request

Say how many watts your fridge, freezer, heater or tools need to run together, because that decides the size. Add whether you want an inverter model, which is quieter and cleaner for electronics, or a cheaper conventional one, plus the fuel type, new or used, single-phase or three-phase, and whether it needs an electric start. Your budget in NZ$ helps sellers offer the right model first.

Describe what you need in your own words in a chat, and add a photo if that helps. BlaBlaPrice's AI asks for any missing details, looks through sellers' websites and price lists in New Zealand, and shows the prices and businesses it finds. Registered sellers receive your request and reply in the chat with their own price, terms and delivery, while your contacts stay hidden until you choose whom to share them with. If you are still choosing, compare backup power and portable power stations.