As per the table, the average cost of a 100kW solar power system as of August 2024 is $87,920 including GST and the STC upfront rebate. The graph below – from our Commercial Solar PV Price Index – shows average price trends for 100kW solar systems since Solar Choice started keeping. . 100kW solar systems are among the most popular commercial solar system sizes in Australia, as this size is the cutoff point for up-front incentives through the federal government. This article provides an overview of most of the key points that businesses need to know if they are considering a. . A high-quality 100kW solar system in Australia typically starts from around A$39,999, making it a cost-effective choice for medium to large businesses, schools, warehouses, shopping centres, or community facilities. By installing solar panels your business may be more or less self-sufficient when it comes to electricity. This system is particularly popular for commercial installations due to its significant energy output, which can drastically reduce energy bills. Are you tired of skyrocketing energy bills. . We have access to the most advanced solar technology in the business, offering high efficiency 100kW solar systems to warehouses, industrial buildings, office complexes and retail stores across the country. Our 100kW solar package provides steady and reliable power for every part of your business. .