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

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

GoodWe GWT15K-SDT-30 (SDT G3 series)
GoodWe
GWT15K-SDT-30 (SDT G3 series)
15 kW Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 15KTL3-X
Growatt
MID 15KTL3-X
15 kW 98.6 % euro 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 GWT15K-SDT-30 (SDT G3 series) MID 15KTL3-X Difference
Weight 15.5 kg 23.0 kg 7.5 kg lighter
Weight per kW 1.0 kg/kW 1.5 kg/kW 0.5 kg/kW lighter
Max AC power 16.50 kW 16.60 kW 0.10 kW apart
Nominal AC voltage 380 V 400 V 20 V apart
Start voltage 160 V 250 V 90 V earlier start
Max efficiency 98.5 % 98.8 % 0.2 pp more efficient
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 140-1000 V 200-1000 V 140-1000 V vs 200-1000 V
Max AC current 25.0 A 24.2 A 0.8 A apart
Dimensions 392x491x204 mm 395x525x222 mm 392x491x204 mm vs 395x525x222 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter GWT15K-SDT-30 (SDT G3 series) MID 15KTL3-X Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 16.50 kW 16.60 kW 0.10 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 380 V 400 V 20 V apart
Max AC current 25.0 A 24.2 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 140-1000 V 200-1000 V 140-1000 V vs 200-1000 V
Start voltage 160 V 250 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 98.5 % 98.8 % +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 15.5 kg 23.0 kg -7.5 kg for GWT15K-SDT-30 (SDT G3 series)
Weight per kW 1.0 kg/kW 1.5 kg/kW -0.5 kg/kW for GWT15K-SDT-30 (SDT G3 series)
Dimensions 392x491x204 mm 395x525x222 mm 392x491x204 mm vs 395x525x222 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural forced-air natural vs forced-air
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

More useful comparisons

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Growatt
Growatt MID 15KTL3-X vs Growatt MOD 15KTL3-X
10 differences, the largest is european efficiency
04

Written summary

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