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GW15KT-DT vs SG15KTL-M 9 of 18 identical Swap Change inverters

GoodWe GW15KT-DT vs Sungrow SG15KTL-M

GoodWe GW15KT-DT
GoodWe
GW15KT-DT
15 kW 97.7 % euro 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

9 differences, and they point both ways

The largest is european efficiency: 0.6 pp more efficient. 9 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 9 differences
How alike are they
9 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

9 of 18 parameters
Parameter GW15KT-DT SG15KTL-M Difference
European efficiency 97.7 % 98.3 % 0.6 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max AC power 16.50 kW 15.00 kW 1.50 kW apart
Weight 18.0 kg 24.0 kg 6.0 kg lighter
Max efficiency 98.3 % 98.6 % 0.3 pp more efficient
Weight per kW 1.2 kg/kW 1.6 kg/kW 0.4 kg/kW lighter
Start voltage 160 V 250 V 90 V earlier start
MPPT voltage range 180-850 V 200-1000 V 180-850 V vs 200-1000 V
Dimensions 433x354x155 mm 485x370x210 mm 433x354x155 mm vs 485x370x210 mm
02

Full specification

Parameter GW15KT-DT 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 400 V 400 V Same
Max AC current 24.0 A 24.0 A Same
PV input
Max PV power - - Neither datasheet publishes this
DC/AC ratio - - Neither datasheet publishes this
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 180-850 V 200-1000 V 180-850 V vs 200-1000 V
Start voltage 160 V 250 V -90 V for GW15KT-DT
MPP trackers 2 2 Same
Strings per tracker - 2 Not published by GoodWe
Max input current per tracker - 22.0 A Not published by GoodWe
Efficiency
European efficiency 97.7 % 98.3 % +0.6 pp for SG15KTL-M
Max efficiency 98.3 % 98.6 % +0.3 pp for SG15KTL-M
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 18.0 kg 24.0 kg -6.0 kg for GW15KT-DT
Weight per kW 1.2 kg/kW 1.6 kg/kW -0.4 kg/kW for GW15KT-DT
Dimensions 433x354x155 mm 485x370x210 mm 433x354x155 mm vs 485x370x210 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by Sungrow
Ethernet Yes - Not published by Sungrow
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.