Monitor, convert, upgrade and store

Southern Highlands, Illawarra, Shoalhaven & goulburn Solar Systems

  • Residential
  • Commercial
  • Industrial

Solar Power for Your home

Simmark installs solar systems in homes and businesses across the Shoalhaven, Illawarra and Southern Highlands. Over the past ten years we have proven that we are a trusted, local designer and installer who will be there for service after the sale is made. Simmark utilises only the highest quality components like Winaico solar panels, Tigo DC optimisers, Fronius/SMA string inverters and Enphase micro-inverters to ensure your investment pays off with high performance, reliability and warranties. Find out about home batteries including the Tesla Powerwall 2



Ensure your solar is performing with a Solar Analytics Monitor that can measure, analyse and diagnose your energy data to get the most from your solar investment.

Solar Analytics utilises big data, smart algorithms to provide the most comprehensive and user friendly solar monitoring service available.

Solar Analytics helps to identify and rectify faults, review real-time solar performance, manage home energy consumption, and identify new savings opportunities. The easy to use dashboard interface is available any time on any device.

Talk to Simmark about installing a Solar analytics monitor today.

Solar Power for Your Business

The working day consumption profiles of most businesses make them ideal candidates for solar power. Simmark is experienced in designing and installing commercial solar projects, having completed many megawatts of generation for organisations such as Hanlon Windows, South Coast Stairs, Shoalhaven Entertainment CentreWright’s Chainsaws, Shoalhaven City Turf Club, North Nowra Medical Practice, Harbison, Warilla High School, JD Transport, St. John’s High School and Uniting Gerringong to name a few. 

When evaluating solar power, one size does not fit all. Our approach is consultative and personalised, as we believe it must be for such an important investment decision. Whether you need Solar in Nowra, Solar in Goulburn or Solar in Bowral, Simmark can help. Our unique approach involves a thorough consultation process, followed by installing or upgrading your solar system. Contact Us today to start the transition to sustainable energy.

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Simmark can install an energy meter to MONITOR household or business energy usage patterns over the course of the day and night.


Simmark can CONVERT your home to a net meter to allow solar consumption to be used first in your home, then exported to the grid.


Simmark can INSTALL a new solar system or UPGRADE an existing one to better fit your household consumption needs.


Once your system has been optimised, Simmark can install a home battery to STORE excess solar power generation for use in the evening.

Save with Solar

Save with Solar

Did you know Australia has the highest average solar radiation per square metre of any continent in the world?  And with the NSW Government committed to having net zero emissions by 2050, now is the time to consider switching to solar.  Installing and connecting a...

Solar Panels in Goulburn – Here is what you need to know

Solar Panels in Goulburn – Here is what you need to know

Solar panels; service and installation is our second biggest business. But, by and large it is by far where we get our most enquiry. Simmark has been installing solar panels since 2009 and while people have improved their understanding of how they work, we still get...

Simmark Commits To Raising The Bar In The Solar Industry

Simmark Commits To Raising The Bar In The Solar Industry

Simmark is excited to announce we have signed on to the voluntary Clean Energy Council Solar Retailer Code of Conduct, which is currently the only solar industry code of conduct authorised by the Australian Competition and Consumer Commission (ACCC). Companies that...