What are the advantages of double-sided solar street lights? How much is the power generation efficiency improved?

Recently, scientists in Singapore have found that the combination of double-sided solar panels and photovoltaic tracking support systems can increase power generation efficiency by 35%, and the average electricity price can be reduced by 16%. In order to maximize power generation benefits in a limited space, recent studies have continuously mentioned the advantages of bifacial solar energy. This kind of module with solar cells installed on both sides, in addition to the front cells can absorb sunlight, the back module can also absorb ground reflected light and diffuse light, which can greatly improve the efficiency of solar power generation. At present, more and more power stations are beginning to adopt double-sided solar energy technology. In countries with high latitudes such as Europe and Japan that are prone to snow, the modules on the back can absorb the reflection of snow on the ground and increase power generation. Recent studies have also pointed out that bifacial solar energy can increase power generation efficiency by 15% to 20%.

But despite this, the cost of double-sided solar panel street lights is still very high, but the benefits it brings are also very considerable. The double-sided design enables solar panel street lights to receive an additional 15% to 20% more energy, and placing them on some high-reflectivity surfaces can also effectively increase the utilization of reflected sunlight. If the price of double-sided solar panel street lights can drop to an acceptable level, it will definitely become a strong competitor in the renewable energy market.

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