What is 144 Cell Solar Panel and Why Do We Use Them?

What Are Half-cut Solar Cells?

REC Solar pioneered half-cut solar photovoltaic cells in with the goal of increasing the energy production of solar panels. Implementing half-cut cells in solar panels can enhance the power output of a solar panel system just as bifacial solar panels and PERC solar cells give slight boosts in the efficiencies of silicon solar panels. Half-cut solar cells are, as the name implies, typical silicon solar cells that have been sliced in half by a laser cutter.

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Half-cut cells provide a number of advantages over standard solar cells. Most notably, half-cut solar cells outperform and last longer. In terms of performance, half-cut cells can boost panel efficiencies by a few percentage points. Furthermore, half-cut cells are more physically robust than their typical counterparts, because they are smaller in size, they are more resistant to breaking.

With these benefits, solar panels constructed with half-cut solar cells have the potential to give property owners installing solar energy systems shorter solar payback periods. Half-cut cells, particularly in installations where shade and restricted space are constraints, can make a solar panel installation even more worthwhile.

How Do Half-Cut Solar Cells Work?

Half-cut solar cell technology boosts the energy production of solar panels by lowering cell size, allowing more cells to fit on the panel. The panel is then divided in half so that the top runs independently of the bottom, generating more energy even if one part is shaded.

That’s the general overview - below, we break the process down.

Traditional monocrystalline solar panels typically feature 60 to 72 solar cells, therefore cutting those cells in half improves the number of cells. Half-cut panels typically feature 120 to 144 cells and are built with PERC technology, which provides improved module efficiency.