SolarEdge Technologies Inc. is a provider of power optimizer, solar inverter and monitoring products for photovoltaic arrays. These products aim to increase energy output through module-level Maximum Power Point Tracking.

CaliforniaSolarEdge announced the U.S. release of its updated SolarEdge Home Hub and Wave inverters.

The inverter manufacturer says the inverters will be equipped with power control system (PCS) technology, paving the way for the installation of PV systems that exceed their current size by more than 50%.

This enhancement comes without the need for expensive and labor-intensive main panel upgrades (MPU).

The cutting-edge embedded PCS technology permits the SolarEdge inverters to closely monitor, balance, and regulate currents on the main panel busbar.

As a result, homeowners can now install larger PV systems, surpassing the limitations set by the National Electrical Code’s 120% rule[1]. For instance, a home equipped with a 200 Amp main panel could host up to three 11.4kW SolarEdge inverters without the need for a main panel upgrade[2].

Moreover, SolarEdge’s DC-coupled architecture now allows for 200% DC oversizing and the convenient storage of surplus PV in the SolarEdge Home DC-coupled battery.

Integration of the PCS technology into the SolarEdge Home Hub and Wave inverters simplifies the installation and commissioning process.

It requires only the addition of current transformers (CTs) to the main panel and eliminates the need for external connector boxes.

Enhancements to the inverter extend to software updates, which hasten commissioning, and the inclusion of automotive-grade critical components to boost the overall reliability of the inverter.

SolarEdge’s CEO, Zvi Lando, emphasized the importance of the innovation by stating, “Financial considerations are paramount for customers looking to install larger PV systems on their rooftops. These new SolarEdge inverters enable installers to provide more substantial PV systems while evading main panel upgrades. This advancement significantly improves the financial feasibility of PV and battery storage throughout the U.S.”

The public can witness the new embedded PCS technology in action at SolarEdge’s booth at RE+ (#3311), with availability for orders anticipated by the year’s end.

[1] National Electric Code (NEC) 2020 705.12
[2] Per the local utility permit.

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