According to recent estimates, the cost of setting up a solar farm in Australia can range between $1 million to $1. 5 million per megawatt (MW) of installed capacity. . The SolarQuotes Price Explorer shows what real Australians have paid for solar, based on thousands of quotes and reviews submitted through our website. For agricultural businesses in 2025, here is a breakdown of the typical costs: 1. System Components Solar Panels: High-efficiency panels designed for. . Since May 2014, Solar Choice has been publishing average commercial solar panel prices providing based on live information. . Solar farms, also known as solar parks or photovoltaic power stations, are large-scale installations where photovoltaic (PV) panels are used to capture solar energy and convert it into electricity.