How can you tell if one solar panel takes in more light than another?

You can tell if one solar panel takes in more light than another by comparing its efficiency rating, power output (watts), and performance under the same sunlight conditions. Panels with higher efficiency and better photovoltaic (PV) technology usually convert more sunlight into electricity. Monitoring the energy output using a solar inverter or monitoring system also helps identify which panel performs better. From my experience with Electrical Express Pty Limited, choosing high-quality panels and proper installation ensures maximum sunlight absorption and better overall system performance.