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Choosing the right solar inverter for your home's solar panel system is an important decision, as the inverter plays a crucial role in converting DC electricity generated by the solar panels into usable AC electricity for your home. Here are some key factors to consider when choosing a solar inverters
Solar Inverter Type
String Inverters: These are the most common type of solar inverter, and are generally the most cost-effective option. They work by stringing multiple solar panels together and converting the DC electricity into usable AC electricity for your home.
Microinverters: These inverters are installed directly on each individual solar panel and convert DC to AC power at the panel level. They can be more expensive than string inverters, but can provide better performance in situations where panels may be partially shaded or facing different directions.
Power Optimizers: These are similar to microinverters in that they are installed on each individual panel, but instead of converting DC to AC power, they optimise the DC power output from each panel before it is sent to a central inverter
Efficiency
Inverter efficiency is the measure of how much DC power generated by your solar panels is converted into usable AC power. Look for an inverter with a high efficiency rating, as this will ensure that you get the most electricity possible out of your solar panels. Most modern inverters have an efficiency rating of 95% or higher.
Power Rating
Make sure the inverter you choose is rated to handle the total output of your solar panel system. Your solar installer can help you calculate the necessary power rating based on the size of your solar panel system and your home's energy needs. In general, you'll want to choose an inverter with a rating that is slightly higher than your system's maximum output, to allow for any future expansions or changes to your system.
Warranty
Look for an inverter with a good warranty, as this will protect you in case of any defects or malfunctions. Most solar inverters come with a warranty of 5-10 years, but some manufacturers offer extended warranties of up to 25 years.
Brand Reputation
Choose an inverter from a reputable brand with a proven track record of reliability and quality. Some well-known brands in the solar industry include SolarEdge, SMA, Enphase, and Fronius.
Monitoring
Consider an inverter with monitoring capabilities, as this will allow you to track the performance of your solar panel system and troubleshoot any issues that may arise. Many modern inverters come with built-in monitoring features, and some even allow you to monitor your system remotely via a smartphone app or web portal.
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