Hot spots occur when part of a solar panel overheats due to shading (like leaves or dust) or a defective cell, causing concentrated heat that can reach 20-30°C above surrounding areas. This happens because blocked cells resist current flow, forcing electricity to build up as heat. . This article delves into the causes, effects, and solutions related to hot spots, ensuring a comprehensive understanding of this issue and its implications for solar panel systems. As a result, the panel gets heated and overloaded, which leads to a short-circuit that lowers output efficiency overall while hastening material deterioration.
[PDF Version]