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STP 25000TL-30 vs GW25K-MT 8 of 19 identical Swap Change inverters

SMA Solar STP 25000TL-30 vs GoodWe GW25K-MT

SMA Solar
STP 25000TL-30
25 kW 98.1 % 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 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
8 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 19 parameters
Parameter STP 25000TL-30 GW25K-MT Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 33.0 A 30.0 A 3.0 A more headroom
Max AC power 25.00 kW 27.50 kW 2.50 kW apart
Weight 61.0 kg 40.0 kg 21.0 kg lighter
Weight per kW 2.4 kg/kW 1.6 kg/kW 0.8 kg/kW lighter
European efficiency 98.1 % 98.4 % 0.3 pp more efficient
Max efficiency 98.3 % 98.7 % 0.4 pp more efficient
Max AC current 36.2 A 40.0 A 3.8 A apart
MPPT voltage range 240-800 V 200-950 V 240-800 V vs 200-950 V
Strings per tracker 3 2 1 string apart
Dimensions 682x661x264 mm 590x480x200 mm 682x661x264 mm vs 590x480x200 mm
02

Full specification

Parameter STP 25000TL-30 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 36.2 A 40.0 A 3.8 A apart
PV input
Max PV power 45.00 kW - Not published by GoodWe
DC/AC ratio 1.80 - Not published by GoodWe
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 240-800 V 200-950 V 240-800 V vs 200-950 V
Start voltage 188 V 180 V Effectively the same
MPP trackers 2 - Not published by GoodWe
Strings per tracker 3 2 1 string apart
Max input current per tracker 33.0 A 30.0 A +3.0 A for STP 25000TL-30
Efficiency
European efficiency 98.1 % 98.4 % +0.3 pp for GW25K-MT
Max efficiency 98.3 % 98.7 % +0.4 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 61.0 kg 40.0 kg -21.0 kg for GW25K-MT
Weight per kW 2.4 kg/kW 1.6 kg/kW -0.8 kg/kW for GW25K-MT
Dimensions 682x661x264 mm 590x480x200 mm 682x661x264 mm vs 590x480x200 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise 51 dB - Not published by GoodWe
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by SMA Solar
Ethernet Yes - Not published by GoodWe
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by GoodWe
03

More useful comparisons

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SMA Solar STP 25000TL-30 vs Growatt MID 25KTL3-X1
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GoodWe GW25K-MT vs Fronius Verto 25.0 400
9 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.