Solar photovoltaic modules are the core of any solar system. What technical specifications should I consider when choosing a module?

When selecting a solar PV module, several key technical specifications determine its performance and suitability for your project. The most important parameter is peak power (Pmax), measured in watts (Wp), which indicates the maximum electrical output under standard test conditions (1000 W/m² irradiance, 25°C cell temperature). You should also examine the module efficiency, which reflects how effectively the panel converts sunlight into electricity—commercial monocrystalline panels typically exceed 22% efficiency. Other critical specs include open-circuit voltage (Voc) and short-circuit current (Isc), which help determine the electrical matching with your inverter. For large-scale installations, consider the temperature coefficient, as panel performance decreases in high temperatures—a lower negative coefficient means better high-temperature performance. Finally, check the dimensions and weight to ensure compatibility with your mounting structure.