Tilted PV panels cast shadows on the rows of modules behind them, necessitating a gap between rows to minimize the effects of production loss due to shadows cast on panels in anterior module rows. Here are a few ideas to mitigate the impacts of this phenomenon on your solar mounting system installation.

一、REDUCE THE TILT OF YOUR SOUTH-FACING ARRAY

For peak energy production on a per-module basis, PV modules have an ideal incident angle with solar rays emanating from the sun.

For some solar panel mount installations, however, it may make sense to reduce the tilt of the modules to a less optimal incident angle. Though this means less production on a per module-basis, it can mean a significant increase in the daily unshaded collection time for the array. This gain in effective collection time can offset the losses caused by a sub-optimal tilt for the module itself.

二、LOCATE YOUR SYSTEM ON A SOUTH-FACING SLOPE

Even a five-degree solar racks inclination can have a marked impact on the amount of inter-row spacing required. This can significantly increase the number of modules you can fit in a given area.

In Summary, there are no one-size-fits-all PV module or solar roof racking solution for optimizing your PV installation’s performance. Make sure to study the site, and select the products that best suit the geography, topography, and engineering constraints of your installation site.

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