Proven technology, chosen for southern conditions
At Southern Solar, the products we install matter just as much as how we install them.
Solar technology moves fast — and we make it our job to stay current. We continuously assess emerging products, manufacturers and technologies to ensure the systems we install are reliable, high performing and suited to real Southern conditions.
Our focus is simple: the best value, the best performance,
and the longest usable life — for the places we live.
expansion capability
Leading the way in intelligent home energy systems
Sigenergy represents the next generation of home solar — where performance, safety and intelligence work together.
Sigenergy has designed a fully integrated home energy ecosystem, combining solar, battery storage, energy management, and EV charging into one cohesive platform. Its modular design means you can easily expand your system over time, whether your budget increases or your household energy requirements change.
Sigenergy batteries use Lithium Iron Phosphate (LFP) chemistry, known for enhanced safety, thermal stability and a long operating life. With ratings of up to 10,000 charge cycles under tested conditions, they’re designed for long-term home use — not early replacement.
Battery capacity can be expanded over time, reducing unnecessary waste and allowing systems to grow as household needs change.
Sigenergy systems feature multi-layer safety monitoring, cell-level temperature tracking, internal protection systems and internationally certified testing standards.
Direct DC-coupled architecture minimises energy losses between solar generation, battery storage and household usage — meaning more of your solar power is actually used.
Sigenergy systems are designed to handle high loads, off grid operation, winter conditions and daily real world energy use.
Durable solar panels with proven long-term performance
Solar panels are a long-term investment — and longevity matters.
Suntech is one of the most established solar panel manufacturers globally, with over 25 years of module manufacturing experience. That depth of experience matters when it comes to reliability, consistency and sustainability.
Independent long-term studies referenced by pv magazine show Suntech panels delivering less than 3% power degradation after 16 years of operation, significantly outperforming standard industry expectations.
Lower degradation means panels continue producing strong output for longer — increasing total lifetime energy generation and reducing environmental impact per unit of power produced.
Suntech panels are engineered for extremes — including cold temperatures, snow loading, wind, UV exposure and coastal conditions.
Suntech panels are used in large-scale projects worldwide, including harsh climates where durability is non-negotiable.
It’s reasonable to ask hard questions about the environmental impact
of solar panels and batteries.
The sustainability of a solar system isn’t just about materials — it’s about how long those materials last and how much clean energy they produce over time.
How we approach sustainability
Panels with minimal degradation and batteries designed for long cycle life produce more clean energy before replacement is ever needed.
Expandable batteries and integrated systems reduce premature replacement and unnecessary disposal.
Intelligent energy management ensures more solar energy is used directly in the home, reducing reliance on grid power and minimising wasted generation.
By choosing durable, efficient, long-life technology, we help ensure solar delivers meaningful environmental benefit — not just short-term gains.
Full visibility, smarter decisions
Solar works best when you can actually see what’s happening.
The mySigen app gives homeowners clear, real-time insight into their entire energy system — turning solar from a “set and forget” system into an actively managed asset.
Real-time energy flow — see exactly where power is coming from and where it’s going
Battery status and usage history, including charge sources
Visual energy graphs that make performance easy to understand
AI-powered insights based on weather forecasts, household usage and tariffs
Smart scheduling to maximise solar usage and savings
Battery lifespan visibility
The app continuously tracks battery performance and usage patterns, providing insights that help homeowners optimise battery use over time and understand long-term system health — supporting longer battery life and better overall system efficiency.
Sigen AI Mode uses intelligent scheduling strategy with weather data and PV output prediction to optimise your energy usage and reduce costs
Smart Home Ecosystem integration with devices like Shelly for seamless control of your entire home energy system
Energy Sankey Diagram provides clear data visualisation showing exactly where your power comes from and where it goes
Deeply integrated AI analyzes system behavior with 24-hour forecasts to help you make informed energy decisions
Sigen Mall offers an effortless shopping experience with diverse products, secure payment, and end-to-end support
Real-time battery power source composition shows you exactly how much solar energy vs grid power is stored in your battery
Complete the form, send an email to office@southernsolar.co.nz or phone 021 70 30 62 to start your solar assessment