Skip to main content
Fronius Verto 20.0 vs GW20K-SDT-CN-G40 8 of 20 identical Swap Change inverters

Fronius Verto 20.0 vs GoodWe GW20K-SDT-CN-G40

Fronius Verto 20.0
Fronius International
Fronius Verto 20.0
20 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW20K-SDT-CN-G40
GoodWe
GW20K-SDT-CN-G40
20 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

12 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 8 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
8 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 20 parameters
Parameter Fronius Verto 20.0 GW20K-SDT-CN-G40 Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 28.0 A 21.0 A 7.0 A more headroom
Max AC power 20.00 kW 22.00 kW 2.00 kW apart
MPP trackers 4 2 2 trackers more
Weight 35.2 kg 17.0 kg 18.2 kg lighter
Weight per kW 1.8 kg/kW 0.8 kg/kW 0.9 kg/kW lighter
Noise 56 dB 45 dB 12 dB quieter
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 30.3 A 33.4 A 3.1 A apart
MPPT voltage range 150-870 V 140-1000 V 150-870 V vs 140-1000 V
Start voltage 150 V 160 V 10 V earlier start
Dimensions 730x540x278 mm 413x530x211 mm 730x540x278 mm vs 413x530x211 mm
02

Full specification

Parameter Fronius Verto 20.0 GW20K-SDT-CN-G40 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 380 V 20 V apart
Max AC current 30.3 A 33.4 A 3.1 A apart
PV input
Max PV power 30.00 kW - Not published by GoodWe
DC/AC ratio 1.50 - Not published by GoodWe
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-870 V 140-1000 V 150-870 V vs 140-1000 V
Start voltage 150 V 160 V -10 V for Fronius Verto 20.0
MPP trackers 4 2 +2 trackers for Fronius Verto 20.0
Strings per tracker 2 2 Same
Max input current per tracker 28.0 A 21.0 A +7.0 A for Fronius Verto 20.0
Efficiency
European efficiency 98.3 % - Not published by GoodWe
Max efficiency 98.6 % 98.6 % Same
CEC efficiency - - Neither datasheet publishes this
Battery
Battery input - - Neither datasheet publishes this
Battery voltage - - Neither datasheet publishes this
Max charge current - - Neither datasheet publishes this
Backup power - - Neither datasheet publishes this
Physical
Weight 35.2 kg 17.0 kg -18.2 kg for GW20K-SDT-CN-G40
Weight per kW 1.8 kg/kW 0.8 kg/kW -0.9 kg/kW for GW20K-SDT-CN-G40
Dimensions 730x540x278 mm 413x530x211 mm 730x540x278 mm vs 413x530x211 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise 56 dB 45 dB -12 dB for GW20K-SDT-CN-G40
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection Yes - Not published by GoodWe
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Fronius Verto 20.0 vs Growatt MID 20KTL3-X
11 differences, the largest is max dc voltage
Same type, similar size
Sungrow
Fronius Verto 20.0 vs Sungrow SG20KTL-M
10 differences, the largest is max dc voltage
Same type, similar size
Huawei
Fronius Verto 20.0 vs Huawei SUN2000-20KTL-M2
12 differences, the largest is max dc voltage
04

Written summary

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