What is a solar inverter?

A solar inverter is a critical aspect of most photovoltaic (PV) power systems, in which energy from direct sunlight is harnessed by solar panels and transformed into usable electricity.

Can I add solar panels later with a microinverter?

While it’s easier to add solar panels to your system later with microinverters, choosing the right string inverter before your installation is critical, as central inverter systems are typically built-to-suit without the capacity for expanded solar generation. Use our online tool to find the right sizes for your solar energy system components.

How does a solar inverter work?

Distribution: As alternating current, the solar power can then be safely used within a home’s electrical system, stored in a battery reserve, or shared with the utility energy grid. In essence, the inverter acts as the heart of a solar energy system, pumping generated electricity wherever it needs to go.

What makes a good solar inverter?

Growatt MIN 6000TL-X GoodWe GW5000D-NS high efficiency at a lower price cost-conscious homeowners Solar Inverters Are Essential – They convert solar energy (DC) into usable electricity (AC) for your home. Efficiency Matters – The best inverters operate at 95-99% efficiency, ensuring maximum power conversion from your panels.

Which solar inverter should I buy in 2025?

Every solar system needs some kind of inverter to convert sunlight into usable electricity. CNET experts have compared the most popular solar inverters' specs, warranties, prices and more. The SolarEdge Home Wave Inverter is our top pick in 2025.

Can a solar inverter shut down on its own?

Some inverters can even shut down on their own if there's a problem or a power surge to keep your system safe. If you have a solar battery, your inverter controls when to store extra energy and when to pull from the battery – keeping your home powered even when the sun isn’t shining.