Significantly more energy in real world conditions

PV solar plants using First Solar’s advanced thin-film series 4 modules enjoy better energy yield, proven reliability and industry-leading durability.


Outperforms conventional crystalline silicon solar modules with equal power rating

  • Proven energy yield advantage in humid climates due to superior spectral response
  • Proven energy yield advantage hot climates due to superior temperature coefficient (-0.28%/°C)
  • Robust against shading in landscape orientation
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End-to-End Manufacturing

With our Series 4 modules, we have made numerous advancements to increase long-term quality and reliability, as well as efficiency. Our unique manufacturing process ensures unparalleled quality control for every component of the module.