Outdoor solar photovoltaic panels typically produce voltages that range between 12 volts to 48 volts, specifically designed for various applications. Common voltages encountered, 2. Differences between panel types, 4. Safety implications and regulations. . There are three types of solar panel voltages. The voltage that is recorded when there is no load connected to the solar panel is called Open Circuit Voltage. A multimeter is connected at the terminals of the solar panel. . A typical solar panel produces around 10 to 30 volts under standard sunlight conditions, depending on the type and size of the panel. This is your typical voltage we put on solar panels; ranging from 12V, 20V, 24V, and 32V solar panels. Open Circuit Voltage (VOC). This is the maximum rated voltage under direct sunlight if the circuit is open (no current running through the. . In solar photovoltaic (PV) systems, the voltage output of the PV panels typically falls in the range of 12 to 24 volts. However, the total voltage output of the solar panel array can vary based on the number of modules connected in series. Solar panels generate Direct Current (DC) power, whereas most household appliances operate on. .