Black frame and all black components

Black Frame: To attain the desired full black aesthetic of solar panels, the frame is typically constructed using black anodized aluminium frame. This choice of black aluminum for the frame plays a significant role in creating the sleek and uniform all-black look of the solar panels.

Traditional panels use white backsheets and silver frames, while all-black modules use — you guessed it — black backsheets and black frames. They're manufactured the same way through the same processes, except black adhesives may be used around junction boxes and other electronics on all-black modules.

The full black design minimizes glare and reflection. This is particularly advantageous in narrow buildings, especially residential installations as it prevents neighbours from being disturbed or even blinded by the silver glare.

“All-black modules have a more aesthetically pleasing look but lose the benefit of reflection and light trapping, resulting in a lower photocurrent — up to 3% less than a white-backsheet module. Three percent less current means about 0.5% lower absolute efficiency.”

But a 0.5% efficiency loss isn't especially noticeable to the average residential customer, so often these extensive production efforts aren't made on all-black modules.