NZ Solar Guide
Our Recommended Solar Setups by Budget and Home Size
For most New Zealand homes, the sweet spot in 2025 is a 6.6kW solar system with no battery, fully in...
EV Chargers and Solar: Smart Charging Basics
A smart EV charger like the Zappi watches the live flow of electricity at your meter and quietly pus...
Do You Need Building Consent for Solar Panels in New Zealand?
For most homes, no, you do not need building consent to put solar panels on your roof. As of 23 Octo...
Do You Need a North-Facing Roof for Solar?
No, you don't need a north-facing roof for solar in New Zealand, and the idea that you do has talked...
Microinverters vs. String Inverters in Shaded Areas
If your roof has real shading from a tree, a chimney, or a neighbour's two-storey extension, microin...
Do I Need a Battery to Make Solar Worth It?
Short answer: no, you almost certainly don't need a battery to make solar worth it in New Zealand, a...
How to Size a Solar System: 3kW, 5kW, or 10kW?
For most New Zealand homes, the right answer is a 5kW to 6.6kW solar system, and here's why: a 6.6kW...
Enphase IQ Batteries vs. SolarEdge Home Battery
If you're weighing up an Enphase IQ Battery against a SolarEdge Home Battery, here's the short versi...
Tesla Powerwall 3 vs. Sigenergy Battery Systems
For most New Zealand homes, the choice comes down to this: the Tesla Powerwall 3 is a sealed, all-in...
Alpha ESS G3 Battery Review (10.1kWh)
The Alpha ESS SMILE-G3 in its 10.1kWh configuration is a solid, well-supported modular battery for t...