A startup called Cogenra Solar recently installed a bank of solar arrays with a difference at a northern California winery. The arrays combine conventional photovoltaic solar cells with a system for collecting waste heat. This produces electricity for lighting and bottling equipment, and creates hot water that can be used for washing tanks and barrels.Cogenra plans to install these "hybrid" solar arrays at businesses that use large quantities of electricity and water, and then charge them for supplying both. The company has not released an estimate for the cost-per-watt of its electricity, but it says that the cost of heated water will be considerably less than the norm.
To read the full, original article click on this link: Solar Arrays Do Double-Duty - Technology Review
Author: Ucilia Wang
