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GW25K-MT vs SG25CX-P2 10 of 19 identical Swap Change inverters

GoodWe GW25K-MT vs Sungrow SG25CX-P2

GoodWe GW25K-MT
GoodWe
GW25K-MT
25 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Sungrow SG25CX-P2
Sungrow
SG25CX-P2
25 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

9 differences, and they point both ways

The largest is max ac power: 2.50 kW apart. 10 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
10 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 19 parameters
Parameter GW25K-MT SG25CX-P2 Difference
Max AC power 27.50 kW 25.00 kW 2.50 kW apart
Weight 40.0 kg 38.0 kg 2.0 kg lighter
European efficiency 98.4 % 98.2 % 0.2 pp more efficient
Max efficiency 98.7 % 98.4 % 0.3 pp more efficient
Max AC current 40.0 A 41.8 A 1.8 A apart
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-950 V 160-1000 V 200-950 V vs 160-1000 V
Start voltage 180 V 200 V 20 V earlier start
Dimensions 590x480x200 mm 575x645x245 mm 590x480x200 mm vs 575x645x245 mm
02

Full specification

Parameter GW25K-MT SG25CX-P2 Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 27.50 kW 25.00 kW 2.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 40.0 A 41.8 A 1.8 A apart
PV input
Max PV power - 35.00 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 200-950 V 160-1000 V 200-950 V vs 160-1000 V
Start voltage 180 V 200 V -20 V for GW25K-MT
MPP trackers - 3 Not published by GoodWe
Strings per tracker 2 2 Same
Max input current per tracker 30.0 A 30.0 A Same
Efficiency
European efficiency 98.4 % 98.2 % +0.2 pp for GW25K-MT
Max efficiency 98.7 % 98.4 % +0.3 pp for GW25K-MT
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 40.0 kg 38.0 kg -2.0 kg for SG25CX-P2
Weight per kW 1.6 kg/kW 1.5 kg/kW Effectively the same
Dimensions 590x480x200 mm 575x645x245 mm 590x480x200 mm vs 575x645x245 mm
Ingress protection IP65 IP66 IP65 vs IP66
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 Not published by GoodWe
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.