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.
Every Southern Solar system is built using a fully integrated ecosystem, designed to work
together efficiently and reliably.
strong output for decades
maximum solar energy utilization
expansion capability
battery, grid and EV charging
management and monitoring
solar system
distribution
modules stackable)
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.
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
AI-powered insights based on weather forecasts, household usage and tariffs
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.
Explore the key features that make energy management simple, transparent and actionable
Sigen AI Mode uses intelligent scheduling strategy with
weather data and PV output prediction to optimize 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 visualization
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
for your site?
Complete the form, send an email to office@southernsolar.co.nz or phone 021 70 30 62
to start your solar assessment
Southern Solar is a SEANZ approved installer. SEANZ provides an authorised provider directory for
members approved to supply and install solar systems for renewable energy loans provided by partner
banks.
Our focus is simple: the best value, the best performance, and the longest usable life — for the
places we live.
term return on investment and
durability
designed to maximize energy
generation and usage
environments
winter cold, and coastal
conditions
Whether it’s heavy snow loading in Central Otago, extreme winter cold, or corrosive coastal air, we specify
products that are proven to perform in New Zealand environments and continue delivering energy long into the
future.
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.
Sigenergy doesn’t just store energy — it actively manages it, helping households get more value from every kilowatt generated.
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.
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.