Grid-Tied Solar Power Billboards (Billboard Insider)
A grid-tied billboard is one that is connected to the power grid, but also has a solar array, usually placed on top the board to avoid theft, vandalism or shading issues. The billboard basically becomes a solar generator, feeding electricity into the grid during the day, thereby offsetting the power used at night. […]
billboardinsider.com
Tue, Jan 24, 2017 at 4:39 PM
Tue, Jan 24, 2017 at 4:39 PM