Despite record U.S. heat in July, North American irradiance remains near average

In a new weekly update for pv magazine , Solcast, a DNV company, reports that, despite record-breaking U.S. heat, North America’s net solar irradiance in July 2026 remained near the long-term average, with 75% of the continent within 5% of normal. Wildfire smoke in the Pacific Northwest and isolated heavy rainfall in Texas and the Northeast suppressed solar resources, offsetting otherwise…