Solar Panels Not Generating Enough Power: Causes and Solutions – Find Out Here

Solar System Not Generating Enough Power: Solar panel energy production can often drop due to common factors like weather conditions or a lack of cleaning. Technical issues can also be the underlying cause.

Solar System Not Generating Enough Power: Solar panels are designed for longevity, typically boasting a lifespan of around 25 years. While their efficiency naturally declines over time, a premature drop in performance is sometimes observed. Many users complain that their panels aren't generating sufficient electricity. Today, we explore the reasons behind reduced energy production and how to resolve this issue.

What causes reduced energy production?

Weather: Solar panels rely on sunlight to generate energy. Daylight hours vary with the seasons; therefore, it is normal for energy production to be lower during the monsoon or winter compared to summer. Cloud cover during the monsoon and shorter days in winter result in lower electricity generation compared to the summer months.

Other factors: Shading on the solar panels can reduce energy output. If a tree branch is casting a shadow, trim it back. Similarly, accumulated dust and dirt can block sunlight from reaching the panels, hindering electricity generation. Regular cleaning of the panels is therefore recommended.

Panel aging: As mentioned earlier, panel efficiency decreases over time. A panel that is 10 years old may experience a 5–8% drop in efficiency.

Technical issues can also cause a drop in output.

Beyond common factors, faults in connectors or wiring can impact energy production. Damaged wiring can completely disrupt the flow of electric current. Additionally, the formation of "hotspots" and cell damage within the panel can reduce electricity generation. Monitoring for these issues is crucial.

When do you need to call a professional?

You can identify common causes for reduced energy production—such as weather conditions, the need for panel cleaning, or panel aging—on your own; however, if the panels are damaged, you will need to call a professional. It is essential to have repairs done by a professional if hotspots develop, cracks appear, or energy production drops drastically. They will thoroughly inspect the entire system and identify the primary reason for the decline in energy production.