A research team in the United States has created a novel approach to integrate raw sky images and global solar irradiance measurements, solar nowcasting, and intra-hour forecasting. The ...

As the distance from a point source of radiation increases, the irradiance decreases. The relationship between irradiance, \(I\), and distance, \(d\), can be shown to follow an inverse square law.

In a new weekly update for pv magazine, Solcast, a DNV company, reports that solar irradiance surged far above the March norm in the US South and Midwest, while parts of the US West and Canada ...