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Fronius Verto 20.0 Plus vs GW20K-ET 17 of 26 identical Swap Change inverters

Fronius Verto 20.0 Plus vs GoodWe GW20K-ET

Fronius Verto 20.0 Plus
Fronius International
Fronius Verto 20.0 Plus
20 kW 98.0 % euro Hybrid
Open inverter page Datasheet PDF
VS
GoodWe GW20K-ET
GoodWe
GW20K-ET
20 kW Hybrid
Open inverter page Datasheet PDF
The verdict

9 differences, and they point both ways

The largest is max input current per tracker: 2.0 A more headroom. 17 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
17 of 26 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 26 parameters
Parameter Fronius Verto 20.0 Plus GW20K-ET Difference
Max input current per tracker 28.0 A 30.0 A 2.0 A more headroom
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Weight 43.0 kg 48.0 kg 5.0 kg lighter
Max AC current 30.3 A 33.3 A 3.0 A apart
Start voltage 150 V 200 V 50 V earlier start
Weight per kW 2.1 kg/kW 2.4 kg/kW 0.2 kg/kW lighter
MPPT voltage range 150-870 V 200-850 V 150-870 V vs 200-850 V
Battery voltage 150-700 200-800 150-700 vs 200-800
Dimensions 865x574x279 mm 660x520x220 mm 865x574x279 mm vs 660x520x220 mm
02

Full specification

Parameter Fronius Verto 20.0 Plus GW20K-ET Difference
AC output
Rated AC power 20.00 kW 20.00 kW Same
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 30.3 A 33.3 A 3.0 A apart
PV input
Max PV power 30.00 kW 30.00 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 150-870 V 200-850 V 150-870 V vs 200-850 V
Start voltage 150 V 200 V -50 V for Fronius Verto 20.0 Plus
MPP trackers 3 - Not published by GoodWe
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 30.0 A +2.0 A for GW20K-ET
Efficiency
European efficiency 98.0 % - Not published by GoodWe
Max efficiency 98.2 % 98.0 % Effectively the same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input Yes Yes Same
Battery voltage 150-700 200-800 150-700 vs 200-800
Max charge current 50 A 50 A Same
Backup power - - Neither datasheet publishes this
Physical
Weight 43.0 kg 48.0 kg -5.0 kg for Fronius Verto 20.0 Plus
Weight per kW 2.1 kg/kW 2.4 kg/kW -0.2 kg/kW for Fronius Verto 20.0 Plus
Dimensions 865x574x279 mm 660x520x220 mm 865x574x279 mm vs 660x520x220 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 57 dB - Not published by GoodWe
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.