Do Solar Panels Work At Night?

Do solar panels work at night? The simple answer is no. Solar panels need sunlight to generate electricity, so once the sun goes down, your panels stop producing the power your home uses.

That doesn’t mean your home is without electricity after dark. Your home can still receive power from the utility grid or, depending on your solar setup, from energy stored in a home battery.

So how does your home have power at night? If your home is connected to the utility grid, you can draw electricity from the grid when your solar panels aren’t producing enough power. If your system includes battery storage, energy generated during the day can also be stored for use later, including after the sun goes down.

What happens to excess solar energy produced during the day depends on your utility, rate plan, and solar agreement. In California, the way customers are credited for excess solar energy has changed over time, so it’s important to understand the rules that apply to your specific system rather than relying on older net-metering assumptions.

Battery storage can be especially useful for homeowners who want to use more of their solar energy after dark or have backup power available during certain outages.

Solar panels may not generate electricity at night, but that doesn’t mean solar stops benefiting your home when the sun goes down. With the right combination of solar, utility power, and potentially battery storage, homeowners can have reliable electricity around the clock while making the most of the clean energy their system produces during the day.