In the 1950s, the first silicon - based solar cells were developed. This led to the initial use of glass as a protective cover for solar panels. . The story of solar glass dates back to the mid - 20th century, a time when the world was just starting to recognize the potential of solar energy. However, these early solar cells were fragile and needed protection from the harsh. . Stewart Glass is establishing the first fully operational solar glass facility in the United States, opening March 2026 in Logan, Ohio. The company has converted a transparent conductive oxide (TCO) facility, in the US state of Ohio from a facility of Pilkington North America, a member. . Vitro Architectural Glass (formerly PPG Glass) is marking 60 years of evolution and innovation of Solarban glass, the flagship brand for one of the industry's most environmentally advanced lines of solar control, low-emissivity (low-e) glasses.
