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STP 25000TL-30 vs MID 25KTL3-X1 8 of 23 identical Swap Change inverters

SMA Solar STP 25000TL-30 vs Growatt MID 25KTL3-X1

SMA Solar STP 25000TL-30
SMA Solar
STP 25000TL-30
25 kW 98.1 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 25KTL3-X1
Growatt
MID 25KTL3-X1
25 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

15 differences, and they point both ways

The largest is max dc voltage: 100 V apart. 8 of 23 comparable parameters are identical, with 9 more left out because at least one datasheet does not publish them.

See all 15 differences
How alike are they
8 of 23 comparable
parameters are identical
identical differs not published
01

What actually differs

15 of 23 parameters
Parameter STP 25000TL-30 MID 25KTL3-X1 Difference
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 33.0 A 26.0 A 7.0 A more headroom
European efficiency 98.1 % 98.5 % 0.4 pp more efficient
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Max PV power 45.00 kW 37.50 kW 7.50 kW apart
DC/AC ratio 1.80 1.50 0.30 more oversizing headroom
Weight 61.0 kg 29.5 kg 31.5 kg lighter
Weight per kW 2.4 kg/kW 1.2 kg/kW 1.3 kg/kW lighter
Max efficiency 98.3 % 98.8 % 0.5 pp more efficient
Max AC current 36.2 A 41.9 A 5.7 A apart
Start voltage 188 V 250 V 62 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 240-800 V 200-1000 V 240-800 V vs 200-1000 V
Strings per tracker 3 2 1 string apart
Dimensions 682x661x264 mm 435x580x230 mm 682x661x264 mm vs 435x580x230 mm
02

Full specification

Parameter STP 25000TL-30 MID 25KTL3-X1 Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 36.2 A 41.9 A 5.7 A apart
PV input
Max PV power 45.00 kW 37.50 kW 7.50 kW apart
DC/AC ratio 1.80 1.50 +0.30 for STP 25000TL-30
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 240-800 V 200-1000 V 240-800 V vs 200-1000 V
Start voltage 188 V 250 V -62 V for STP 25000TL-30
MPP trackers 2 - Not published by Growatt
Strings per tracker 3 2 1 string apart
Max input current per tracker 33.0 A 26.0 A +7.0 A for STP 25000TL-30
Efficiency
European efficiency 98.1 % 98.5 % +0.4 pp for MID 25KTL3-X1
Max efficiency 98.3 % 98.8 % +0.5 pp for MID 25KTL3-X1
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 29.5 kg -31.5 kg for MID 25KTL3-X1
Weight per kW 2.4 kg/kW 1.2 kg/kW -1.3 kg/kW for MID 25KTL3-X1
Dimensions 682x661x264 mm 435x580x230 mm 682x661x264 mm vs 435x580x230 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air forced-air Same
Noise 51 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by SMA Solar
Ethernet Yes Yes Same
Arc fault protection - Yes Not published by SMA Solar
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 5 yrs Same
03

More useful comparisons

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Growatt
SMA Solar STP 25000TL-30 vs Growatt MID 25KTL3-X2 (Pro.E)
15 differences, the largest is european efficiency
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Growatt
SMA Solar STP 25000TL-30 vs Growatt MID 25KTL3-X
12 differences, the largest is european efficiency
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GoodWe
SMA Solar STP 25000TL-30 vs GoodWe GW25K-MT
11 differences, the largest is max dc voltage
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Fronius International
Growatt MID 25KTL3-X1 vs Fronius Verto 25.0 400
10 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.