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SG15KTL-M vs GWT15K-SDT-30 (SDT G3 series) 8 of 19 identical Swap Change inverters

Sungrow SG15KTL-M vs GoodWe GWT15K-SDT-30 (SDT G3 series)

Sungrow
SG15KTL-M
15 kW 98.3 % 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 max ac power: 1.50 kW 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 SG15KTL-M GWT15K-SDT-30 (SDT G3 series) Difference
Max AC power 15.00 kW 16.50 kW 1.50 kW apart
Weight 24.0 kg 15.5 kg 8.5 kg lighter
Weight per kW 1.6 kg/kW 1.0 kg/kW 0.6 kg/kW lighter
Nominal AC voltage 400 V 380 V 20 V apart
Start voltage 250 V 160 V 90 V earlier start
Ingress protection IP65 IP66 IP65 vs IP66
Max AC current 24.0 A 25.0 A 1.0 A apart
MPPT voltage range 200-1000 V 140-1000 V 200-1000 V vs 140-1000 V
Strings per tracker 2 1 1 string apart
Dimensions 485x370x210 mm 392x491x204 mm 485x370x210 mm vs 392x491x204 mm
Cooling forced-air natural forced-air vs natural
02

Full specification

Parameter SG15KTL-M GWT15K-SDT-30 (SDT G3 series) Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 16.50 kW 1.50 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 380 V 20 V apart
Max AC current 24.0 A 25.0 A 1.0 A apart
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
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 2 1 1 string apart
Max input current per tracker 22.0 A 22.0 A Same
Efficiency
European efficiency 98.3 % - Not published by GoodWe
Max efficiency 98.6 % 98.5 % Effectively the same
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 24.0 kg 15.5 kg -8.5 kg for GWT15K-SDT-30 (SDT G3 series)
Weight per kW 1.6 kg/kW 1.0 kg/kW -0.6 kg/kW for GWT15K-SDT-30 (SDT G3 series)
Dimensions 485x370x210 mm 392x491x204 mm 485x370x210 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 Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - - Neither datasheet publishes this
Arc fault protection - Yes Not published by Sungrow
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
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.