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GW25K-MT vs Fronius Eco 25.0-3-S 8 of 18 identical Swap Change inverters

GoodWe GW25K-MT vs Fronius Eco 25.0-3-S

GoodWe GW25K-MT
GoodWe
GW25K-MT
25 kW 98.4 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Fronius Eco 25.0-3-S
Fronius International
Fronius Eco 25.0-3-S
25 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

GW25K-MT leads on the differences that matter

The largest is max dc voltage: 100 V apart. 8 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 10 differences
How alike are they
8 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 18 parameters
Parameter GW25K-MT Fronius Eco 25.0-3-S Difference
Max DC voltage 1100 V 1000 V 100 V apart
European efficiency 98.4 % 98.0 % 0.4 pp more efficient
Max AC power 27.50 kW 25.00 kW 2.50 kW apart
Weight 40.0 kg 35.7 kg 4.3 kg lighter
Max efficiency 98.7 % 98.2 % 0.5 pp more efficient
Start voltage 180 V 650 V 470 V earlier start
Strings per tracker 2 6 4 strings apart
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-950 V 580-850 V 200-950 V vs 580-850 V
Dimensions 590x480x200 mm 725x510x225 mm 590x480x200 mm vs 725x510x225 mm
02

Full specification

Parameter GW25K-MT Fronius Eco 25.0-3-S 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 - Not published by Fronius International
PV input
Max PV power - 37.80 kW Not published by GoodWe
DC/AC ratio - 1.51 Not published by GoodWe
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-950 V 580-850 V 200-950 V vs 580-850 V
Start voltage 180 V 650 V -470 V for GW25K-MT
MPP trackers - 1 Not published by GoodWe
Strings per tracker 2 6 4 strings apart
Max input current per tracker 30.0 A - Not published by Fronius International
Efficiency
European efficiency 98.4 % 98.0 % +0.4 pp for GW25K-MT
Max efficiency 98.7 % 98.2 % +0.5 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 35.7 kg -4.3 kg for Fronius Eco 25.0-3-S
Weight per kW 1.6 kg/kW 1.4 kg/kW Effectively the same
Dimensions 590x480x200 mm 725x510x225 mm 590x480x200 mm vs 725x510x225 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 Yes Same
Ethernet - Yes Not published by GoodWe
Arc fault protection - - Neither datasheet publishes this
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.