Solar Brands We Trust & Install

At Celtic Solar, we only partner with proven, industry-leading brands that deliver reliability, efficiency, and long-term performance. With 20 years on the Sunshine Coast, we’ve tested and selected components that withstand local heat, salt air, and heavy rain—ensuring your system works as hard as you do, year after year.

Solar Panels

• Winaico Ultra Black – High-efficiency Back Contact (BC) panels featuring a seamless, “no-busbar” jet-black design for modern roofs where aesthetics are paramount.
• Winaico (N-Type) – Precision-engineered in Taiwan with reinforced frames for extreme strength; backed by a 30-year product and power warranty for total security.
• SunPower – The global gold standard; patented back-contact cells with an industry-leading 40-year warranty for those demanding maximum efficiency and longevity.
• Jinko Solar (Tiger Neo) – Cutting-edge N-Type TOPCon technology for high performance in Queensland heat; offers global reliability with a 30-year performance guarantee.

Inverters & Optimisers

• Sungrow – Australia’s most trusted choice for over a decade. Offers a high-performance hybrid solution with a comprehensive 10-year local Australian warranty.
• Sigenergy – An AI-driven 5-in-1 “Energy Hub” integrating inverter, battery, and EV charging. Features modular scalability and industry-first built-in fire suppression.
• SolarEdge – The ultimate solution for shaded roofs. Using DC Power Optimisers, it maximises harvest with a 12-year inverter and 25-year optimiser warranty.
• Fronius – As a Solutions Partner Plus, we provide Austrian-engineered reliability. These units feature legendary serviceability and a 10-year warranty, extendable to 20 years.

Battery Storage

• Sungrow – High-voltage LFP technology with a modular “stackable” design (9.6kWh–40kWh). Allows for easy capacity upgrades and exceptionally fast, clean installation.
• Sigenergy – Versatile DC-coupled storage integrating seamlessly with EV charging. Modular stacks allow you to start small and grow with your energy needs.
• Franklin WH – Massive 13.6kWh capacity with 10kW continuous power. Manages solar, grid, and generators for a robust, total-home backup solution.
• Tesla Powerwall – The world’s most recognisable smart battery. Features sleek aesthetics, deep app integration, and a 10-year warranty for residential or commercial use.
• BYD – Robust, high-capacity lithium storage compatible with various inverters. Ideally suited for heavy-duty residential, off-grid, and commercial applications.
• Fronius Reserva – A premium, high-voltage modular tower ranging from 6.3kWh to 15.8kWh. Provides seamless integration with Fronius systems for maximum efficiency.

EV Chargers

• Sungrow – Smart AC charger (7kW–22kW) integrating with the iSolarCloud app to prioritise excess solar energy for your vehicle.
• Sigenergy – Integrated DC charging module (up to 25kW) with direct solar/battery draw and future-proof bi-directional (V2H/V2G) capabilities.
• Ocular – 100% Australian-owned; features a built-in LCD screen for real-time feedback and universal compatibility with every EV model.
• Tesla – The industry standard for sleek design; provides 71km of range per hour with over-the-air firmware updates via Wi-Fi.
• Fronius Wattpilot – Sophisticated solar-aware charging that automatically switches between 1 and 3-phase power to fully exploit every watt of surplus energy.

Mounting & Accessories

• Schletter Black Anodised Aluminium solar mounting system with 25 year warranty

All brands are CEC-approved, sourced through trusted local and national distributors, and installed to Australian standards. We don’t cut corners on quality because your investment deserves the best.