Are Solar Panels Expensive To Buy

Today it s around 0 13 per watt or about 600 times less.

Are solar panels expensive to buy. But the true cost of solar panels and whether they ll help you save money depends on a few key factors. The cost has generally been following swanson s law which states that the price of solar drops by 20 for every doubling of shipped product. Solar companies that purchase in bulk typically spend 0 75 per watt whereas homeowners spend 1 per watt. However if a homeowner is trying to buy one or two panels on their own for a small diy project they will likely pay closer to 1 per watt.

On average installation and the system together can run between 15 000 and 25 000. The type of solar panels and inverter you buy there is a significant difference in cost between the top rated solar panels and brands that are perceived to be of lesser quality. Buying your solar electric system outright is best. One 150 to 300 watt solar panel costs 112 to 450 on average or between 0 75 to 1 50 per watt depending on the type of panel energy efficiency rating and size.

Solar companies can typically get a single solar panel at a price of 0 75 per watt. Back in 1977 the price of solar photovoltaic cells was 77 for just one watt of power. Although solar panels do get cheaper on a per watt basis as the system size gets bigger the overall cost of the system increases as well.