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

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

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

Full specification

Parameter GWT15K-SDT-30 (SDT G3 series) SG15KTL-M Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 16.50 kW 15.00 kW 1.50 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 24.0 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 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 2 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 98.5 % 98.6 % 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 15.5 kg 24.0 kg -8.5 kg for GWT15K-SDT-30 (SDT G3 series)
Weight per kW 1.0 kg/kW 1.6 kg/kW -0.6 kg/kW for GWT15K-SDT-30 (SDT G3 series)
Dimensions 392x491x204 mm 485x370x210 mm 392x491x204 mm vs 485x370x210 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling natural forced-air natural vs forced-air
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

More useful comparisons

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Growatt
Sungrow SG15KTL-M vs Growatt MOD 15KTL3-X
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.