On-Grid, Off-Grid
GoodWe undefined GW15K-ET-20

GoodWe • ET G2 Series 6-15kW

GW15K-ET-20

Region:China
Region shows where the seller or factory is located. Most ship globally, and all listed suppliers should be able to ship to your current location.
15kW
Nominal AC Power
98.2%
Max Efficiency
496 x 460
Dimensions (mm)
Size Your System Find Installer

Ideal Use Case

The GoodWe GW15K-ET-20 is tailored for specific solar energy needs. This inverter is an excellent choice if you:

Have a medium-sized 15.0 kW residential or small commercial system
Use three-phase grid connection
Need 3 independent MPPT trackers for different roof orientations
Want maximum energy harvest (98.2% peak efficiency)
Focus on grid-tied operation without battery storage
Operate in extremely cold climates

Don’t guess your solar setup — calculate it first!

Take our Solar Quiz to get a personalized recommendation for panels, inverter, battery capacity, and system size — before you spend money on the wrong setup.

Run Technical Sizing

AC Output Data

Nominal AC Power15 kW
Max Efficiency98.2 %
Euro Efficiency0 %
Max AC Current26.1 A
Rated AC Current0 A
Number of Feed-in Phases3
THD (Total Harmonic Distortion)3 %

DC Input Data

MPP Voltage Range120~850 V
Max DC Voltage1000 V
Rated DC Voltage620 V
Min DC Voltage to Start150 V
Max DC Current0 A
Number of MPP Trackers3
DC Inputs1

Mechanical & Environmental Data

Dimensions (W x H x D)496 x 460 x 221 mm
Weight23.0 kg
Protection ClassIP66
Cooling MethodNatural
DisplayLED
InterfaceRS 485, WLAN

Operating Conditions

Operating Temperature-35 ~ +60 ℃
Humidity0-100 %
Frequency50 Hz
Max Altitude4000 m
Power Consumption (Night)15 W

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Product FAQ

What size solar array can the GoodWe GW15K-ET-20 handle?

The GoodWe GW15K-ET-20 has a nominal AC output of 15kW with a maximum efficiency of 98.2%. It is typically paired with a solar array of 18–20kW DC for optimal energy harvest.

Is the GoodWe GW15K-ET-20 a hybrid inverter?

The GoodWe GW15K-ET-20 is a on-grid, off-grid inverter. To add battery storage, you would need a separate AC-coupled battery inverter or upgrade to a hybrid model.

Does the GoodWe GW15K-ET-20 have WiFi monitoring?

Most GoodWe inverters come with or support optional WiFi/Ethernet dongles. This allows you to track your solar production and battery status via a mobile app or web portal in real-time.

How many MPPT trackers does the GoodWe GW15K-ET-20 have?

This inverter features 3 independent MPPT trackers with a maximum DC input voltage of 1000V. Multiple trackers allow panels on different roof faces or orientations to operate independently for maximum yield.

Is the GoodWe GW15K-ET-20 a three-phase inverter?

Yes, this is a three-phase inverter. Three-phase inverters are ideal for larger homes, commercial systems, or regions with three-phase grid connections.