What backup options exist if micro-inverters fail during a storm?

Storm-Resilient Micro-Inverter Alternatives

Micro-inverter failures during storms can be mitigated by using string inverters with an external battery backup system. This setup allows for a seamless transition to battery power when the grid goes down or the micro-inverter fails. A typical string inverter with a battery backup system can cost between $3,000 to $6,000, depending on the capacity and quality of the components.

DIY Micro-Inverter Replacement and Repair

For those who prefer a more hands-on approach, replacing or repairing micro-inverters can be a cost-effective solution. This process typically requires a basic understanding of electrical systems and the necessary safety precautions. However, it’s essential to note that some micro-inverters may be more difficult to repair than others, and the cost of replacement parts can add up quickly.

Battery Backup Systems for Solar Arrays

Implementing a battery backup system for your solar array can provide a reliable power source during storms and micro-inverter failures. A typical battery backup system for a residential solar array can range from 5-20 kWh, depending on the energy needs of the household. This setup can be more expensive upfront, but it can provide peace of mind and ensure a reliable power source during outages.