When photovoltaic (PV) panel voltage exceeds controller limits – a common issue affecting 23% of solar installations according to 2023 IEA data – it triggers safety shutdowns and reduces energy harvest. Let's break down this technical puzzle using everyday language. Key Insight: PV panels often. Overpaneling refers to connecting more solar panels to a solar charge controller than its rated input power. Solar charge controllers are designed to handle a certain amount of power. If Solar Panels produce more power than the load can accept, what effect does it have on health of the solar panels? In general, solar panels are not harmed when they produce more power than the connected load can accept. However, the overall system behavior and protection mechanisms determine how. The panels are connected 3 series 2 parallel. I noticed during the afternoon time when there's high sunlight, the charge controller shows about 104 pv V and 32 pv A which equals 3,328 watts but the 400w panels x 6 is just 2,400 watts? My question is, is the controller wrong? Is my calculation wrong. The function of a charge controller is to do the following: MPPT charge controllers increase the current while PWM doesn't.