18kW Solar PV System | Fronius and Trina

At 18kW this Fronius and Trina system represents the maximum size allowable by Energex with full overclocking. It is aimed at suitably sized residential or commercial premises.

Fronius are a world leading inverter, welding and battery manufacturer that specializes in innovation. While they're not the cheapest unit on the market, a range of packaged features makes them highly intelligent. A Fronius inverter has wireless logging and a programmable smart relay. The relay can be used to switch excess production to items such as electric hot water systems and is far more accurate than a traditional timer-relay combination.

Fronius offer a stable warranty and lifespan of more than ten years. Their inverters have cost effective options for both consumption metering and energy management.

Trina is Australia's most popular solar panel and feature on its largest rooftop installation - the 1.2MW facility at the University of QLD. These Trina modules have excellent efficiency and shade response and are well backed by one of China's largest solar panel manufacturers.

This price point range looks for the best of quality versus performance. It has an expected lifespan of roughly ten years and will achieve payback in short to medium terms.