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AKT Solar Panle

AKT Solar's modules are more efficient than many other modules in the market place.


AKT Solar panels rank amongst the highest in efficiency of any solar panels and convert close to theoretical maximum of the energy coming from sunlight into electricity. 

Calculating efficiency
The power of a solar cell or a solar module is tested under "Standard Test Conditions" with 1000W/m² irradiance of AM 1.5 spectrum light shone on the cell or module at a temperature of 25°C. The output is verified by the TUV certification process and can be considered accurate across all TUV certified modules.

Overall cell or module efficiency can be calulcated by dividing the power output by the surface area in metres and dividing the result by 1000 (as the original input is 1000W/m²).

Giving information about individual cells not the overall module could be misleading when calculating potential power output
Some manufacturers quote the efficiency of individual cells not the module's efficiency. This does not allow you to calculate the power able to be derived from a given surface area. For that, you need to know the module's efficiency.

The module's efficiency will always be less than or equal to the efficiency of its individual cells as there are gaps where the cells are not touching each other and slight losses due to electrical resistance. There are significant variations in the quality of construction of modules and hence great variations between individual cell efficiencies and the efficiency of the overall module.

If surface area is a constraint for you then it is important to consider the module's efficiency, not the efficiency of its component cells, as it is the module efficiency that indicates what power you are able to achieve from a given surface area.

If surface area is not a constraint then efficiency may not be important. Solar panels of the same power ratings will give the same power output whatever their dimensions. I.e any 80W or 140W panel will give the same power output as any other 80W or 140W panel.

Applied Knowledge and Technology Limited, High Wycombe, UK 
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.       Telephone: 077 22 465 643

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