
Solar energy represents an enormous market opportunity. To decarbonize the economy, the U.S. needs to invest an estimated $1.2 trillion in solar energy developments alone through 2050. Meanwhile, the global investment opportunity for solar is even larger. Many companies focus on solar energy and should.

Solar light trapping Source: Saint Gobain 1. Thin film solar panels For the substrate of a thin film panel often standard glass is used, simply because it's cheap. The superstrate cover glass has higher requirements. The cover glass needs to offer low reflection, high transmissivity, and high strength. 2. Crystalline silicon.