If you don't use an inverter with a standard photovoltaic (PV) panel connected directly to an appliance, it can damage both the panel and the appliance, especially if they need a specific frequency of electricity. Improper grounding of the inverter can also cause similar damage. Technically, it's possible to operate certain DC appliances directly from solar panels without an inverter. Without an inverter, your solar panels can't supply usable power since your home runs on alternating current, not direct current. A direct connection between a solar panel and a power inverter might seem like the most. While it may seem tempting to bypass this crucial component, understanding the role of an inverter in your solar energy system is necessary for optimal performance.