Recent trends in the solar industry show that high-efficiency products with competitive pricing are increasingly becoming the focus of research and development. In terms of component pricing, each tier of improved conversion efficiency adds approximately $0.03 per watt to the cost. For solar cells, efficiency improvements can range from 3% to 5% per grade. Additionally, there is a noticeable price gap between different types of silicon wafers. In the first half of 2013, standard products were priced between $0.80 and $0.88 per unit, while high-end models ranged from $0.88 to $1.00, creating a spread of $0.08 to $0.12 (about 10%) per unit.
On the other hand, rooftop systems have become a major focus of government subsidies, driving the growth of decentralized markets such as residential and small-to-medium business installations in mature regions like Europe, North America, and Japan. According to EnergyTrend, the share of the residential decentralized market is expected to surpass 50% in 2015, marking it as the primary driver of future demand. As a result, many solar manufacturers, including First Solar, are investing heavily in the development of high-efficiency solar cells. The race for high-performance, low-cost solutions is intensifying, as these innovations will be essential for winning the next phase of the solar power market.Intelligent Humidity Controller
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