The monofacial NEG9R.28 has a white encapsulation material on the back for maximum power with up to 445Watt and an efficiency of 22.3 per cent. In contrast, the transparent NEG9RC.27 is the preferred option for aesthetically minded builders on rooftops where the array visually blends with the roof surface. This bifacial module has an output of 435 watts on the front side and an efficiency of 21.8 per cent. Both versions have a surface area of just under two square metres and a black aluminium frame.
See also: Trina Solar and Low Carbon agree on supplying one gigawatt of solar modules
Like all modules from Trina Solar, N-type i-Topcon cells are installed. The rooftop module comes in a robust double-glass construction. These are considered particularly resistant to salt spray, acids and alkalis. The product guarantee is valid for 25 years. (mfo)
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