1998: Solar Shingles Designed to Replace Conventional Roofing Material

Scientist Subhendu Guha leads the invention of flexible solar shingles, a roofing material designed to convert sunlight to electricity. The solar shingles replace the usual asphalt shingles, and are connected to the utility grid, feeding the collected power through an inverter and producing electricity for the customer. [US Department of Energy, 2002 ]