15 kW Three-Phase High-Voltage Hybrid (160–700 V, 2 MPPT, WiFi Plug Included)
The SUN-15K-SG01HP3-AU-AM2 is a 15 kW three-phase high-voltage hybrid inverter aimed at larger homes and light commercial sites that want to run serious solar and batteries on 3-phase power.
It links your solar array, 160–700 V lithium battery and the grid through one brains-and-brawn unit, with two MPPTs for flexible array design and a WiFi plug so you can see what’s happening from your phone or laptop.
BSC Renewables can wrap this inverter into a complete solar-plus-storage design so everything works together cleanly from day one.
At a Glance
Here’s what you get when you choose Deye 15 kW three phase high voltage hybrid inverter:
- 15 kW three phase hybrid suited to big homes and small commercial systems
- High voltage battery input (160–700 V) for better efficiency and less heat loss
- 2 MPPTs to split panels across different roof sections
- Supports roughly 1.3 DC/AC ratio more panel watts than inverter kW for stronger yield
- Designed for 100% unbalanced output one phase can carry up to half the rated power
- Can run in parallel with other SUN-xK-SG01HP3-AU-AM2 units for bigger jobs
- WiFi, RS485 and CAN communications, with WiFi plug supplied on AU kits
When the SUN-15K makes sense
This model is worth considering if you:
- Have 3-phase power and a fair bit going on ducted air, pool or spa, EV charger, pumps, big kitchen loads
- Run a busy home based business or small commercial site and want to rein in daytime grid use
- Prefer the efficiency and neat wiring of a high-voltage battery over a chunky 48 V bank
- Want a system that can grow extra panels, larger battery, or more inverters later if needed
Key Benefits of Deye 15 kW three-phase high-voltage hybrid inverter
1. High-voltage battery
The HP3 series is built around a 160–700 V lithium battery input, rather than a traditional 48 V setup.
That gives you:
- Higher round-trip efficiency – less energy wasted as heat in cables and electronics
- Lower current on the battery side, so the install is usually tidier and uses slimmer cabling
- A natural match with modern stackable HV battery systems that operate in this voltage window
If you’re planning decent-sized storage and want it to run efficiently for years, HV is a smart choice.
2. Built for real-life 3-phase
On site, loads don’t sit perfectly even across all three phases. The SUN-15K-SG01HP3-AU-AM2 is designed with 100% three-phase unbalanced output, meaning:
- Any one phase can deliver up to 50% of the inverter’s rated power
- It can comfortably support the “busy” phase (often the one with the EV charger or big A/C)
- You’re not constantly chasing perfectly balanced circuits as the property evolves
That flexibility is a big help in both upgrades and new builds.
3. Solar layout
From Deye’s AU series data for the 15 kW model:
- 2 independent MPPTs, each with its own string
- High total PV input and 1.3 DC/AC ratio support
In practice, that lets BSC Renewables:
- Put one tracker on your prime orientation (often north) and the other on east/west, shed or extension roof
- Park shadier or awkward sections on their own MPPT so they don’t drag everything down
- Add a sensible amount of extra panel capacity so the system still performs well in winter and on cloudy days (within design and compliance limits)
4. Smarts, flexibility and room to expand
According to the Deye AU datasheet and manual:
- You can set up to six time periods for battery charge and discharge
- The inverter can AC couple to some existing solar systems handy if you’re adding storage later
- It can be integrated in designs where a diesel generator is part of the mix
- Multiple units can run in parallel for larger on-grid or off-grid installations
So you’re not locked into a one-size-fits-all setup the system can follow your tariff, your usage patterns and your future plans.
5. Monitoring and the WiFi plug
This model comes with monitoring via WiFi, RS485 and CAN.
On the ground, that means:
- BSC Renewables will set up the WiFi as part of your install
- You can log in to see:
- Current solar production
- Battery state of charge
- How much you’re buying from or sending back to the grid
- Current solar production
- Remote data (where available) makes it easier to spot issues early and fine-tune settings over time
Curious if this is the right one for you?
BSC Renewables can design a full solar-plus-battery setup around the SUN-15K-SG01HP3-AU-AM2, or recommend another inverter in the Deye range if it’s a better match.
Get in touch for a chat or site visit
Share a few details about your usage, roof and goals, and we’ll help you work out whether this 15 kW high-voltage hybrid inverter is the best fit for your place.