slow growth of solar panels for home in the us.
The cost of building a manufacturing plant.
Main materials used in the manufacture of photovoltaic modules (photo-voltaic)
Poly based on siliconsilicon.
The production of silicon is the main supply market for the electronics industry.
Big American companies like First Solar rely on these producers, which are not easy to vertically integrate and do not have long-termterm contracts.
Solar panel producers use these long-term contracts to limit their risk of downstream fluctuations in fossil fuel price parity kwh.
Polysilicon manufacturers can sell silicon that has a purity lower than the silicon required in electronic equipment.
However, silicon-based modules still present the best conversion rate of photons (sunlight)