A solar inverter is an electronic device that converts the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity, which is used by most household appliances and the electrical grid.
Types of Solar Inverters
- String Inverter
- One inverter serves multiple solar panels.
- Cost-effective and widely used.
- Best when panels receive similar sunlight.
- Microinverter
- Installed on each solar panel.
- Higher efficiency when panels experience shading.
- More expensive than string inverters.
- Hybrid Inverter
- Works with both solar panels and battery storage.
- Allows energy storage for use at night or during outages.
- Off-Grid Inverter
- Designed for standalone solar systems not connected to the utility grid.
- Usually used with batteries.
Main Functions
- Converts DC power to AC power.
- Monitors solar system performance.
- Provides safety features such as automatic shutdown during grid failures.
- Maximizes energy production using Maximum Power Point Tracking (MPPT).
Popular Solar Inverter Manufacturers
- Sungrow
- Huawei
- Fronius
- SMA Solar Technology
- Enphase Energy
- SolarEdge Technologies
- TMEIC
Below mentioned parameters should be consider for selecting the Solar Inverter:
- Solar system size (kW)
- Grid-tied or off-grid operation
- Battery compatibility
- Efficiency rating (typically 95–99%)
- Warranty period (often 5–15 years)
- Local service and support availability