This guide provides clear decision frameworks for choosing between bifacial's energy gains, glass-glass's durability, or custom solutions when standard panels won't work. Your solar panel choice shapes the next 30 years of energy production. Yet most buyers don't understand the real difference. . Bifacial solar modules and double glass bifacial solar modules are both types of solar panels designed to capture sunlight from both sides (front and back) to generate electricity. 4 billion by 2033, achieving a CAGR of 16.