A 15KW solar system is a larger option that can generate around 60-75 kWh of electricity per day. It's ideal for use in large residential or commercial properties with high energy demands. When looking for a 15KW solar system manufacturer in China, it's essential to consider factors like the quality of materials used, certifications, and pricing. With a reputable manufacturer, you can be confident in getting a high-quality product that meets your energy needs and reduces your electricity bills. Be sure to read customer reviews and check for certifications to ensure you're getting a top-quality solar system.