They are made from non-toxic materials and are safe for use. However, improper disposal can lead to environmental impact, so it's essential to recycle old panels responsibly. Solar panels are generally not toxic during use and are considered a clean . . Solar panels use few hazardous materials to begin with. When used, these materials come in very small quantities, and they are sealed in high-strength encapsulants that prevent chemical leaching, even when solar panels have been crushed or exposed to extreme heat or rainwater. These two intervals are times when the. . Outdated misconceptions about the toxicity and waste of solar PV modules, including misinformation regarding toxic materials in mainstream PV panels, are hindering the adoption of this technology, according to a US government-funded research lab. Heather Mirletz, a researcher in circular economy. . Solar energy is a game-changer for clean power, but many wonder—are solar panels toxic? While they help reduce carbon footprints and cut energy costs, their materials, production, and disposal raise important environmental questions.