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MID 15KTL3-X vs GWT15K-SDT-30 (SDT G3 series) 6 of 17 identical Swap Change inverters

Growatt MID 15KTL3-X vs GoodWe GWT15K-SDT-30 (SDT G3 series)

Growatt MID 15KTL3-X
Growatt
MID 15KTL3-X
15 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GWT15K-SDT-30 (SDT G3 series)
GoodWe
GWT15K-SDT-30 (SDT G3 series)
15 kW Grid-tie
Open inverter page Datasheet PDF
The verdict

GWT15K-SDT-30 (SDT G3 series) leads on the differences that matter

The largest is weight: 7.5 kg lighter. 6 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
6 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 17 parameters
Parameter MID 15KTL3-X GWT15K-SDT-30 (SDT G3 series) Difference
Weight 23.0 kg 15.5 kg 7.5 kg lighter
Weight per kW 1.5 kg/kW 1.0 kg/kW 0.5 kg/kW lighter
Max AC power 16.60 kW 16.50 kW 0.10 kW apart
Nominal AC voltage 400 V 380 V 20 V apart
Start voltage 250 V 160 V 90 V earlier start
Max efficiency 98.8 % 98.5 % 0.2 pp more efficient
Ingress protection IP65 IP66 IP65 vs IP66
MPPT voltage range 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Max AC current 24.2 A 25.0 A 0.8 A apart
Dimensions 395x525x222 mm 392x491x204 mm 395x525x222 mm vs 392x491x204 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter MID 15KTL3-X GWT15K-SDT-30 (SDT G3 series) Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 16.60 kW 16.50 kW 0.10 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 24.2 A 25.0 A 0.8 A apart
PV input
Max PV power 22.50 kW - Not published by GoodWe
DC/AC ratio 1.50 - Not published by GoodWe
Max DC voltage 1100 V 1100 V Same
MPPT voltage range 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Start voltage 250 V 160 V -90 V for GWT15K-SDT-30 (SDT G3 series)
MPP trackers 2 2 Same
Strings per tracker - 1 Not published by Growatt
Max input current per tracker - 22.0 A Not published by Growatt
Efficiency
European efficiency 98.6 % - Not published by GoodWe
Max efficiency 98.8 % 98.5 % +0.2 pp for MID 15KTL3-X
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 23.0 kg 15.5 kg -7.5 kg for GWT15K-SDT-30 (SDT G3 series)
Weight per kW 1.5 kg/kW 1.0 kg/kW -0.5 kg/kW for GWT15K-SDT-30 (SDT G3 series)
Dimensions 395x525x222 mm 392x491x204 mm 395x525x222 mm vs 392x491x204 mm
Ingress protection IP65 IP66 IP65 vs IP66
Cooling forced-air natural forced-air vs natural
Noise - 29 dB Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection - Yes Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty 5 yrs - Not published by GoodWe
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.