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Another factor influencing price is the manufacturing process. Advanced manufacturing techniques and innovations, which improve the efficiency and durability of solar panels, often result in higher production costs. This is reflected in the market price. Cheaper panels may save you money upfront but could lead to higher costs in repairs or replacements due to lower efficiency or durability.
390 watt solar panel price

The efficiency of a solar panel is not solely determined by its wattage. While a 400-watt panel can generate a significant amount of electricity, its performance is also influenced by factors such as temperature, orientation, and the angle of installation. Therefore, knowing the size of the panel helps users assess how many panels they can fit on their roof or in their yard, and how much energy they can potentially generate.
size of a 400 watt solar panel
