With rising electricity costs across New South Wales, switching to solar energy is one of the most effective ways for Wollongong homeowners and businesses to take control of their energy bills. However, choosing the right installer from dozens of solar companies across the Illawarra can feel overwhelming.
Whether you are looking to install a new residential rooftop solar array, retrofit a home battery system, or power a commercial facility, choosing a reputable provider with local experience is crucial. To assist you in comparing your options, we have compiled a non-ranked guide to ten local solar installers serving Wollongong and the surrounding Illawarra region.
1. Solar X Energy
Location: Servicing Wollongong & the Illawarra region (Shell Cove NSW 2529)
Website: solarxenergy.com.au
Core Services: Customized residential solar packages, commercial solar arrays, battery storage integration (e.g., Sigenergy, Sungrow), coastal corrosion-resistant systems, ongoing system maintenance & after-sales support.
Pricing: Not publicly listed.
Why Consider Them:
Solar X Energy is a locally owned operator dedicated to providing end-to-end solar and battery solutions across Wollongong, Shellharbour, and the broader Illawarra coast. Known for their highly personalized approach, their team places strong emphasis on tailored site consultations, transparent system design, and ongoing local support long after installation. Because coastal Wollongong properties face elevated salt air exposure, Solar X Energy specifically engineers system designs with durable, high-efficiency equipment built for coastal weather conditions. They represent an excellent local option if you value clear communication and ongoing after-sales care.
2. Solahart Illawarra
Location: 96A Flinders Street, Wollongong NSW 2500
Website: solahartwollongong.com.au
Core Services: Residential & commercial solar panel systems, home battery storage (e.g., Tesla Powerwall, Enphase), solar hot water, heat pumps, EV chargers.
Pricing: Not publicly listed.
Why Consider Them:
Backed by a nationally recognized brand with over 70 years in the Australian solar industry, Solahart operates a dedicated local dealership right on Flinders Street in central Wollongong. Solahart Illawarra handles end-to-end solar installations, system upgrades, and maintenance across the entire Illawarra corridor, from Helensburgh down to Kiama. For property owners seeking established local support paired with direct manufacturer warranties, Solahart is a well-established option to evaluate.
3. HOTT Solar Wollongong
Location: Wollongong / Figtree NSW
Website: hottsolarwollongong.com.au
Core Services: Custom solar system installations, solar servicing & inspections, battery storage, EV charger installations, system repairs.
Pricing: Not publicly listed.
Why Consider Them:
HOTT Solar Wollongong focuses heavily on detailed, on-site energy assessments tailored to local property layouts rather than automated estimations. Operating across Wollongong suburbs like Figtree, Dapto, Corrimal, and Shellharbour, their qualified electricians handle everything from new system design and grid connection to routine servicing and inverter repairs. They are a strong local option if you prefer an installer that manages ongoing maintenance under one roof.
4. Dunne Solar & Electrical
Location: 36 Beacon Ave, Bulli NSW 2516
Website: dunnesolar.com.au
Core Services: Grid-connect solar systems, hybrid energy setups, off-grid (SPS) installations, commercial solar, system auditing & repairs.
Pricing: Not publicly listed.
Why Consider Them:
Based in Bulli just north of central Wollongong, Dunne Solar & Electrical is a highly experienced local operator. Owner Paul Dunne and his team have overseen over a thousand residential and commercial solar installations across the Illawarra and Southern Highlands. As a SunPower Preferred Partner and accredited off-grid installer, Dunne Solar may suit property owners who require specialized technical setups or standalone power systems.
5. Green Solar Solutions
Location: 200 Princes Hwy, Fairy Meadow NSW 2519
Website: greensolarsolutions.com.au
Core Services: Residential & commercial solar power systems, solar hot water, pool heating solutions, energy audits.
Pricing: Not publicly listed.
Why Consider Them:
Established in 2009, Green Solar Solutions is a family-owned business operating out of their Fairy Meadow showroom. They specialize in combining solar photovoltaic (PV) panel arrays with solar hot water and pool heating solutions to deliver comprehensive household efficiency. If you want to consult with a team face-to-face in a physical showroom before purchasing, Green Solar Solutions is a local provider worth comparing.
6. Clean Coast Solar & Electrical
Location: 8 Robin Pl, Balgownie NSW 2519
Website: cleancoastsolar.com
Core Services: Residential solar installations, battery storage retrofits, EV charge points, trade electrical services.
Pricing: Not publicly listed.
Why Consider Them:
Clean Coast Solar & Electrical is a locally owned and operated trade team based in Balgownie. Known for employing qualified electricians directly rather than outsourcing to sub-contractors, they focus on hands-on communication and tailored design for tricky roof layouts. Homeowners seeking a dedicated, small-team approach with high attention to installation detail should consider reaching out for a quote.
7. Platinum Energy Group
Location: Unit 2, 9 Charcoal Cl, Unanderra NSW 2526
Website: platinumenergygroup.com.au
Core Services: Solar panel installation, solar batteries, solar inverters, electrical construction for new builds, air conditioning.
Pricing: Not publicly listed.
Why Consider Them:
Situated in Unanderra, Platinum Energy Group works extensively with local homeowners, property developers, and builders across Wollongong. In addition to rooftop solar and battery storage, they provide broad electrical construction and air conditioning services, making them a suitable option if you are building a new home or undertaking a major renovation in the Illawarra.
8. KillaWatts Solar Power
Location: 128 Rothery Street, Bellambi NSW 2518
Website: killawatts.com.au
Core Services: Residential solar power installations, battery storage systems (Sigenergy, Sungrow, Enphase), electrical upgrades.
Pricing: Not publicly listed.
Why Consider Them:
Operated by licensed electrician David Russin out of Bellambi, KillaWatts Solar Power specializes in residential solar and battery installations across Wollongong’s northern and central suburbs. With an emphasis on personally conducting roof measurements and explaining app-based system monitoring, KillaWatts is a solid choice for buyers who prefer direct owner-operator communication.
9. Solarblu
Location: Servicing Wollongong & Illawarra (Dapto base)
Website: solarblu.net.au
Core Services: Residential solar arrays, commercial energy systems, battery storage, 7-year workmanship warranties.
Pricing: Not publicly listed.
Why Consider Them:
With over 17 years of operational experience, Solarblu provides solar installations across Wollongong, Shellharbour, and the Southern Highlands. They work with top inverter and panel manufacturers like Fronius, SMA, and Growatt. Solarblu handles every step—from initial energy audits to utility approvals—offering structured support for both small homes and large commercial projects.
10. Iconic Solar & Batteries
Location: Wollongong NSW 2526
Website: iconicsolar.com.au
Core Services: On-grid & off-grid solar design, home battery installation, energy-efficient lighting & electrical integration.
Pricing: Not publicly listed.
Why Consider Them:
Iconic Solar & Batteries is an engineering and electrical installer servicing the Wollongong community. They focus on integrating solar PV with home batteries, efficient air conditioning, and smart energy controls. If your goal is to maximize energy self-consumption and reduce reliance on the main grid, Iconic Solar & Batteries is a local provider to compare.
