Solar panels allow you to be your own energy provider. What person wouldn’t desire that? You will have noticed by now, that there are many providers on the market at the moment.
The solar panel price is therefore competitive and the quality of solar panels has also greatly improved in recent years.
How Many Solar Panels Do I Need?
To create 3000 kWh of annual electricity, you’ll need 10 solar panels with a peak output of 330 watts. This figure represents the average of both large and small families.
As a result, your circumstances could be entirely different. Panels with a larger capacity are less expensive than panels with a lesser capacity.
What Is the Lifespan of a Solar Panel?
It is difficult to estimate the lifespan of the current solar panels because the technology is still new, but if you know that the previous generation of solar panels has a lifespan of at least 25 years, this generation is at least 40 years.
This is also one of the biggest advantages of solar panels, their long life, partly thanks to the few moving parts.
Yield Loss
Solar panels lose efficiency every year. This is part of the natural degradation of solar cells. The greatest influence of this loss is through UV light. There are virtually no extreme factors in our region, which means that the loss of return is quite low.
Some extreme factors are:
Warm Temperatures
It is known that solar panels achieve less efficiency in warm regions, but many do not know that they also wear out faster in warm regions.
For example, solar panels in the desert lose more than 1% of their efficiency annually, which is very high. The reason for this is the high UV intensity.
Cold Temperatures
Frost that lasts for weeks and is accompanied by snow that melts and freezes again is very detrimental to solar panels due to the great pressure that is associated with it
Power Guarantee
A solar panel installation such as Blue Raven is a one-time major investment that you want to enjoy for years to come.
The financial return is directly related to the amount of electricity your installation generates year after year. With time, the solar panel price has been reduced to a very great extent.
The less energy, the smaller your financial return. Solar panels lose efficiency year after year, but this is covered by the power guarantee.
Every solar panel brand has a performance guarantee. You can find these in the datasheet of the solar panel itself. Most brands have a warranty of 20 to 25 years.
The higher this warranty in a number of years, the better.
Can I Increase the Lifespan of My Solar Panels?
A solar panel needs little to no maintenance, although there are a few steps you can take regarding maintenance to keep the efficiency and lifespan optimal:
Monitor Your System Output Regularly
This is the best way to see if the solar panels are delivering the desired power. You can read the output from the inverter, but there are also logging systems that you can install yourself on your smartphone to request historical and real-time data.
If the power is lower than normal, you would do well to contact your installer or manufacturer.
Check the Cabling
Correct connection of the complete installation is very important. Check the cabling annually to ensure that it is not damaged and that everything is correctly connected between the solar panels, inverter, and meter box.
Clean the Solar Panels
This is especially recommended during the summer during long periods of drought.
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