The price of 540-watt solar panels can vary widely based on several factors, including brand, technology, and regional market conditions. On average, consumers can expect to pay between $200 to $400 per panel. However, these prices can fluctuate based on factors like supply and demand, the quality of materials used, and advancements in solar technology. It's essential to note that the initial investment in solar panels is often accompanied by long-term savings on energy bills, making it a cost-effective solution in the long run.