Skip to main content
SG15KTL-M vs GW15KN-DT 9 of 14 identical Swap Change inverters

Sungrow SG15KTL-M vs GoodWe GW15KN-DT

Sungrow
SG15KTL-M
15 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW15KN-DT
GoodWe
GW15KN-DT
15 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG15KTL-M leads on the differences that matter

The largest is max dc voltage: 100 V apart. 9 of 14 comparable parameters are identical, with 18 more left out because at least one datasheet does not publish them.

See all 5 differences
How alike are they
9 of 14 comparable
parameters are identical
identical differs not published
01

What actually differs

5 of 14 parameters
Parameter SG15KTL-M GW15KN-DT Difference
Max DC voltage 1100 V 1000 V 100 V apart
Weight 24.0 kg 26.0 kg 2.0 kg lighter
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
Max efficiency 98.6 % 98.3 % 0.3 pp more efficient
Dimensions 485x370x210 mm 455x516x192 mm 485x370x210 mm vs 455x516x192 mm
02

Full specification

Parameter SG15KTL-M GW15KN-DT Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 15.00 kW Same
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 - 19.50 kW Not published by Sungrow
DC/AC ratio - 1.30 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V - Not published by GoodWe
Start voltage 250 V - Not published by GoodWe
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 98.3 % 98.0 % +0.3 pp for SG15KTL-M
Max efficiency 98.6 % 98.3 % +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 24.0 kg 26.0 kg -2.0 kg for SG15KTL-M
Weight per kW 1.6 kg/kW 1.7 kg/kW Effectively the same
Dimensions 485x370x210 mm 455x516x192 mm 485x370x210 mm vs 455x516x192 mm
Ingress protection IP65 IP65 Same
Cooling forced-air - Not published by GoodWe
Noise - - Neither datasheet publishes this
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - Yes Not published by Sungrow
Ethernet - - Neither datasheet publishes this
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes - Not published by GoodWe
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Sungrow SG15KTL-M vs Growatt MID 15KTL3-X
4 differences, the largest is max ac power
Same type, similar size
Huawei
Sungrow SG15KTL-M vs Huawei SUN2000-15KTL-M2
8 differences, the largest is max ac power
Same type, similar size
Huawei
Sungrow SG15KTL-M vs Huawei SUN2000-15KTL-M0
8 differences, the largest is max ac power
04

Written summary

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