Solar Guides
Why Your Solar System Might Be Underperforming in NZ (And How to Spot It)
If your NZ solar system is producing less than expected, here are the 8 most common causes, a 20 minute DIY check, and when to book a profes...
Solar Inverters
The brain of your solar system
Your inverter converts DC power from your panels into AC electricity for your home. Choosing the right inverter determines your system's efficiency, monitoring capability, and long-term reliability.
97.5%
Peak conversion efficiency
Why It Matters
Your inverter makes or breaks system performance
Even the best panels underperform with a poor inverter. A quality inverter maximises energy harvest, provides real-time monitoring, and protects your system for decades.
Efficiency
A 1% difference in inverter efficiency means hundreds of dollars over the system's lifetime. Growatt inverters achieve up to 97.5% conversion efficiency.
Monitoring
Track your system's output in real time via the Growatt ShinePhone app. See daily generation, consumption, and savings from your phone.
Safety
Built-in arc fault detection, anti-islanding protection, and surge suppression. Your inverter is the safety guardian of your entire solar system.
Inverter Types
Three types, each with distinct advantages
String Inverter
Simple, proven, cost-effective
- ✓ One unit handles all panels
- ✓ Lowest cost option
- ✓ Easy to maintain
- ✓ Best for: unshaded roofs
- △ Shading affects entire string
Micro Inverter
Panel-level optimisation
- ✓ One inverter per panel
- ✓ Shade-tolerant — each panel independent
- ✓ Panel-level monitoring
- ✓ Best for: complex or shaded roofs
- △ Higher upfront cost
RECOMMENDED
Hybrid Inverter
Solar + battery in one unit
- ✓ Manages solar + battery + grid
- ✓ Backup power capable
- ✓ Add battery now or later
- ✓ Best for: future-proof systems
- △ Premium over string inverter
Our Brand
Growatt — trusted by millions worldwide
Growatt is one of the world's top 5 inverter manufacturers, with over 40GW installed globally. Their inverters are known for reliability, smart monitoring, and excellent after-sales support in New Zealand.
40GW+
Installed globally
10 yr
Standard warranty
97.5%
Peak efficiency
WiFi
Built-in monitoring
FAQ
Inverter questions answered
Which inverter type is best for my home? +
How long do inverters last? +
Can I monitor my system remotely? +
What size inverter do I need? +
Solar Guides
Inverters, maintenance, and buyer guides.
Solar Guides
Auckland Solar Power System Guide: Avoid Costly Rooftop Solar Mistakes Before You Install
Learn how to avoid costly mistakes when installing a solar power system in Auckland. Professional design and quality installation for better...
Solar Guides
Is Your Solar Power System Working Properly? Common Issues in New Zealand’s Solar Market
Discover the hidden issues behind New Zealand’s solar power systems—real customer feedback, common faults, and how to protect your investmen...
Need help choosing the right inverter?
Our team will assess your roof, shading, and energy goals to recommend the perfect inverter for your system.
Get Your Free Quote →Or call us directly: 0800 288 333