Battery STCs Are Coming – Save Big with Us!
From 1 July 2025, home battery systems will officially be eligible for Small-scale Technology Certificates (STCs) — the same government incentive that’s helped countless Australians save on rooftop solar.
Exciting News: Johnstone Electrical & Sunvalley Solar Is Now an Enphase Gold Installer!
We are thrilled to announce that Johnstone Electrical & Sunvalley Solar has officially achieved Enphase Gold Installer certification! This is a huge milestone for us, and we are incredibly proud to be the only Enphase Gold Installer in the Australia & New Zealand region.
Stay Powered Up During Outages with Johnstone Electrical & Sunvalley Solar
Have you been left in the dark during recent power outages? With extreme weather and grid instability becoming more common, ensuring reliable power for your home or business has never been more important.
Top-Quality Solar Installation with Enphase, Winaico, and Sonnen Evo
At Johnstone Electrical & Sunvalley Solar, we pride ourselves on delivering top-notch solar energy solutions tailored to our clients’ specific needs.
Best Solar Installers in Victoria!
We’ve recently made Winaico Australia’s list of Best Solar Installers and are suitably proud of our achievements, our staff and the products we choose to install.