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MID 25KTL3-X1 vs STP 25-50 (Sunny Tripower X 25) 12 of 25 identical Swap Change inverters

Growatt MID 25KTL3-X1 vs SMA Solar STP 25-50 (Sunny Tripower X 25)

Growatt MID 25KTL3-X1
Growatt
MID 25KTL3-X1
25 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar STP 25-50 (Sunny Tripower X 25)
SMA Solar
STP 25-50 (Sunny Tripower X 25)
25 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 25KTL3-X1 leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 12 of 25 comparable parameters are identical, with 7 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
12 of 25 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 25 parameters
Parameter MID 25KTL3-X1 STP 25-50 (Sunny Tripower X 25) Difference
European efficiency 98.5 % 98.0 % 0.5 pp more efficient
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 26.0 A 24.0 A 2.0 A more headroom
Max efficiency 98.8 % 98.2 % 0.6 pp more efficient
Max AC power 27.70 kW 25.00 kW 2.70 kW apart
Weight 29.5 kg 35.0 kg 5.5 kg lighter
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 41.9 A 36.6 A 5.3 A apart
Start voltage 250 V 188 V 62 V earlier start
Ingress protection IP66 IP65 IP66 vs IP65
Weight per kW 1.2 kg/kW 1.4 kg/kW 0.2 kg/kW lighter
MPPT voltage range 200-1000 V 150-1000 V 200-1000 V vs 150-1000 V
Dimensions 435x580x230 mm 762x728x266 mm 435x580x230 mm vs 762x728x266 mm
02

Full specification

Parameter MID 25KTL3-X1 STP 25-50 (Sunny Tripower X 25) Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 27.70 kW 25.00 kW 2.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 230 V 170 V apart
Max AC current 41.9 A 36.6 A 5.3 A apart
PV input
Max PV power 37.50 kW 37.50 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 150-1000 V 200-1000 V vs 150-1000 V
Start voltage 250 V 188 V -62 V for STP 25-50 (Sunny Tripower X 25)
MPP trackers - 3 Not published by Growatt
Strings per tracker 2 2 Same
Max input current per tracker 26.0 A 24.0 A +2.0 A for MID 25KTL3-X1
Efficiency
European efficiency 98.5 % 98.0 % +0.5 pp for MID 25KTL3-X1
Max efficiency 98.8 % 98.2 % +0.6 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 29.5 kg 35.0 kg -5.5 kg for MID 25KTL3-X1
Weight per kW 1.2 kg/kW 1.4 kg/kW -0.2 kg/kW for MID 25KTL3-X1
Dimensions 435x580x230 mm 762x728x266 mm 435x580x230 mm vs 762x728x266 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise - 59 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs 5 yrs Same
03

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Growatt MID 25KTL3-X1 vs GoodWe GW25K-MT
9 differences, the largest is max input current per tracker
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.