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

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

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

Full specification

Parameter Fronius Eco 25.0-3-S GW25K-MT Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 25.00 kW 27.50 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 1000 V 1100 V 100 V apart
MPPT voltage range 580-850 V 200-950 V 580-850 V vs 200-950 V
Start voltage 650 V 180 V -470 V for GW25K-MT
MPP trackers 1 - Not published by GoodWe
Strings per tracker 6 2 4 strings apart
Max input current per tracker - 30.0 A Not published by Fronius International
Efficiency
European efficiency 98.0 % 98.4 % +0.4 pp for GW25K-MT
Max efficiency 98.2 % 98.7 % +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 35.7 kg 40.0 kg -4.3 kg for Fronius Eco 25.0-3-S
Weight per kW 1.4 kg/kW 1.6 kg/kW Effectively the same
Dimensions 725x510x225 mm 590x480x200 mm 725x510x225 mm vs 590x480x200 mm
Ingress protection IP66 IP65 IP66 vs IP65
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.