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GW125K-GT vs SG125CX-P2 12 of 18 identical Swap Change inverters

GoodWe GW125K-GT vs Sungrow SG125CX-P2

GoodWe GW125K-GT
GoodWe
GW125K-GT
125 kW Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG125CX-P2
Sungrow
SG125CX-P2
125 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

GW125K-GT leads on the differences that matter

The largest is max ac power: 12.50 kW apart. 12 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 6 differences
How alike are they
12 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

6 of 18 parameters
Parameter GW125K-GT SG125CX-P2 Difference
Max AC power 137.50 kW 125.00 kW 12.50 kW apart
Weight 88.0 kg 93.0 kg 5.0 kg lighter
Max efficiency 99.0 % 98.5 % 0.5 pp more efficient
Nominal AC voltage 380 V 400 V 20 V apart
Max AC current 199.4 A 181.1 A 18.3 A apart
Dimensions 650x930x300 mm 795x1020x360 mm 650x930x300 mm vs 795x1020x360 mm
02

Full specification

Parameter GW125K-GT SG125CX-P2 Difference
AC output
Rated AC power 125.00 kW 125.00 kW Same
Max AC power 137.50 kW 125.00 kW 12.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 380 V 400 V 20 V apart
Max AC current 199.4 A 181.1 A 18.3 A apart
PV input
Max PV power - 175.00 kW Not published by GoodWe
DC/AC ratio - 1.40 Not published by GoodWe
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 180-1000 V 180-1000 V Same
Start voltage 200 V 200 V Same
MPP trackers - 12 Not published by GoodWe
Strings per tracker 2 2 Same
Max input current per tracker - 30.0 A Not published by GoodWe
Efficiency
European efficiency - 98.3 % Not published by GoodWe
Max efficiency 99.0 % 98.5 % +0.5 pp for GW125K-GT
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 88.0 kg 93.0 kg -5.0 kg for GW125K-GT
Weight per kW 0.7 kg/kW 0.7 kg/kW Same
Dimensions 650x930x300 mm 795x1020x360 mm 650x930x300 mm vs 795x1020x360 mm
Ingress protection IP66 IP66 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

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8 differences, the largest is max input current per tracker
04

Written summary

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