A mixed media painting by Thornton Dial (American, 1928-2016) titled Struggling Tiger (1991) sold for $84,700, and a Tiffany Studios Favrile glass door from the 1920s.

Abstract: The fundamental cause of severe output fluctuations in photovoltaic (PV) power plants is the abrupt change in ground irradiance due to cloud cover. To enhance the accuracy of PV power ...