Locally based in Port Augusta and proudly owned and operated by Peter and Narelle Johnson, Solahart Spencer Gulf brings over 20 years of experience in solar and hot water solutions to homes and businesses across the region. With deep roots in the community and a background in plumbing, Peter has been working with Solahart products since his apprenticeship and continues to champion quality solar solutions throughout the area.
As a family-owned business, we are committed to providing genuine, personal service backed by Solahart’s nationally trusted brand. Our entire team is local, meaning you get the expert advice, tailored recommendations, and ongoing support you deserve – from people who know the region and its unique energy needs.
We service a vast and diverse region, from Port Augusta and Whyalla, across the Spencer Gulf and Eyre Peninsula, to Coober Pedy, Roxby Downs, and Port Lincoln, including remote and regional communities. Our solar solutions are built to handle harsh conditions and long distances, and we regularly work with off-grid and remote installations.
Our offerings include:
- Solar Hot Water Systems
- Solar Power (PV) Systems
- Battery Storage Solutions
- Free, no-obligation in-home assessments
- Installations that meet SA compliance standards
Whether you’re looking to reduce energy bills in a remote property or install a high-performance solar system for your home or business, Solahart Spencer Gulf is your local partner in building a cleaner, more energy-efficient future.

Thomas Prouse - Apprentice Plumber
Thomas is a local Port Augusta lad. He is a hard worker and always keen to learn.