Net Metering: Why you can add a Sunny Boy Storage to a single or 3-phase PV system

by Daniel Chung (guest post), , 0 Comments

With the Sunny Boy Storage range of battery inverters, you can add battery storage to either a single phase or a three-phase PV system. Households in Australia are billed for their energy using net metering across all three phases of the grid. That means, the net energy purchased across all three-phases is what is billed, and it does not matter how energy is distributed across the phases.

Single Phase PV System and Sunny Boy Storage

In the animation below, the net power is always 0 kW no matter which phase the inverter is installed on or which phase the household loads are on. The Sunny Boy Storage can be installed on any of the available phases.

Three Phase PV system and Sunny Boy Storage

Similarly, the Sunny Boy Storage can be installed on any of the three phases at a site where there is a three-phase PV system. In the animation below, the home-owner is instantaneously billed 0 kW whether energy is supplied from the PV system or the Battery system.

Conclusions

The Sunny Boy Storage range is compatible with new or existing PV systems whether they are single or 3-phase. PV systems with non-SMA inverters may be accommodated.

Net metering ensures the single-phase Sunny Boy Storage can function on three-phase PV systems/sites. Note that for residential, grid-connected sites, there is no additional benefit of a three-phase battery inverter and is therefore an unnecessary cost add-on.

Check out the 2-minute video below:

How does net metering work for 3-phase sites?

 

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