What is a Solar Micro-Inverter?

Micro-inverters are – as the name suggests – micro. And instead of the traditional Inverter, such as a Fronius Inverter where there is one per Solar power system, with a micro-inverter, there is one per panel.

They have recently benefited from increased popularity due to prices dipping and increased quality. This makes them a viable alternative to their non-micro counterparts with some key benefits.

Why use a Micro-inverter?

  • Fault finding is easier
  • Replace or add more panels much more easily
  • AC protective parts are generally cheaper
  • Avoids issues with stringing panels together.

Due to the advantages there are a number of scenarios where micro-inverters can be the better choice. This can be where the area for the panels may not be ideal for a typical setup. This could be if the area designated from the panels isn’t a match for the level of power that the customer wants, or there is the well known issue with shading.

What are the negatives to a micro-inverter?

You will pay a premium for these added benefits, and despite pricing being more competitive in recent years, expect to pay a 25% + premium for choosing a Micro-inverter.

Micro-inverters are also not as efficient as their larger counterparts, or string inverters. This can be a factor for those looking at larger systems.

Repairs – while being modular has benefits, repairs can become more complex as the inverter is now with the panel. It also means there are more elements of your system that will have to withstand the elements.

Repairing solar panels

What types do Tesla Electrical & Solar use?

Tesla Electrical & Solar choose Enphase when it comes to solar micro-inverters. Considered the market leader, Enphase produce high quality systems that provide great benefits and a 10 year product warranty.

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