A good number of solar panels will be installed in regions that are hot, well, simply because most of the world’s sunny regions also get really hot, don’t they?
Temperatures in many regions can touch 50 deg C – that’s a lot of degree Farenheit.
It is hence critical to understand how well solar panels perform at elevated temperatures.
Temperature tolerance of solar panels is denoted by temperature coefficient, which denotes the decrease in efficiency of the solar panel with increase in temperature.
Typically, temperature coefficient of solar panels is about -0.4% to -0.6% / degree C.
Thus, as the panel temperature (which itself could be about 20 deg C higher than the ambient temperature) increases every degree beyond 25 deg C, the efficiency of the panel decreases by about -0.5%. Thus a panel with 15% efficiency will have an efficiency 13.5% when the panel temperature reaches 45 deg C.
You Might Want to Check Out these Questions Too on Evaluation Parameters
- What are the Main Parameters I Should Evaluate Solar Panels before Purchase?-Here
- Are There Ratings Available for Solar Panels?-Here
- What Questions about Solar Panels Should I Ask My Installer or EPC?-Here
- How Do I Know I Am Getting the Solar Panels with the Same Specifications as Promised?-Here
- What is the Typical Wattage of a Solar Panel in Watts?-Here
- How Can We Find Out the Grade of a Solar Panel?-Here
- Is it a Good Idea to Use Monocrystalline Solar Panels as They Have High Efficiency?-Here
- How Can I Use Datasheets Provided with Solar Panels?-Here
- Can My Roof Can Take the Weight of Solar Panels?-Here
- What are the Advantages of Having Anti-reflective Coating on the Glass of Solar Panels?-Here
- How Are Solar Panels Tested Before They are Sold?-Here
- What is the Temperature Coefficient of Solar Panels? And Why Is It Important for Solar Power Plants?-Here
- What is Peak Capacity of Solar Cells?-Here