Efficiency Rate Of Solar Panels

The more efficient your solar cells are the more power your solar panels produce.

Efficiency rate of solar panels.

There are two different types of solar panels that use different types of solar energy. If a solar panel has 20 percent efficiency that means it s capable of converting 20 percent of the sunshine hitting it into electricity. The conversion efficiency of a photovoltaic pv cell or solar cell is the percentage of the solar energy shining on a pv device that is converted into usable electricity. A standard efficiency of a typical panel is around 17 but high efficiency panels such as those made by the brands above can have efficiency up to 22.

Solar panel efficiency is a measure of how much sunlight that hits the surface area of a solar panel is converted into usable electricity. The highest efficiency solar panels on the market today can reach almost 23 percent efficiency. While a standard solar panel warranty is 25 years some are now as long as 30 years. Most solar panels are between 15 and 20 efficient with outliers on either side of the range.

Due to the many recent advances in solar cell technology over the last 5 years average panel conversion efficiency has increased from 15 to 20. For example a solar panel with 20 efficiency and an area of 1 m 2 will produce 200 kwh yr at standard test conditions but it can produce more when the sun is high in the sky and will produce less in cloudy conditions or when the sun is low in the sky. The process of converting solar energy will cause the system to degrade in efficiency by approximately 0 5 each year. Solar panel efficiency typically hovers around 15 to 18.

Improving this conversion efficiency is a key goal of research and helps make pv technologies cost competitive with conventional sources of energy. High quality solar panels can exceed 22 efficiency in some cases and almost reach 23 but the majority of photovoltaic panels available are not above 20 efficiency. This is also accounted for when we design your system. Solar panel efficiency is a measure of the amount of solar energy irradiation which falls on a panel surface and is converted into electricity.

In fact this has been a huge focus in the solar industry for over 60 years. How do solar panels work. Here are the efficiency ratings of our three solar panels.