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SG15KTL-M vs STP 15000TL-30 9 of 20 identical Swap Change inverters

Sungrow SG15KTL-M vs SMA Solar STP 15000TL-30

Sungrow
SG15KTL-M
15 kW 98.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SMA Solar STP 15000TL-30
SMA Solar
STP 15000TL-30
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 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
9 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 20 parameters
Parameter SG15KTL-M STP 15000TL-30 Difference
Max DC voltage 1100 V 1000 V 100 V apart
Max input current per tracker 22.0 A 33.0 A 11.0 A more headroom
Weight 24.0 kg 61.0 kg 37.0 kg lighter
Weight per kW 1.6 kg/kW 4.1 kg/kW 2.5 kg/kW lighter
European efficiency 98.3 % 98.0 % 0.3 pp more efficient
Max AC current 24.0 A 29.0 A 5.0 A apart
Start voltage 250 V 188 V 62 V earlier start
Max efficiency 98.6 % 98.4 % 0.2 pp more efficient
MPPT voltage range 200-1000 V 240-800 V 200-1000 V vs 240-800 V
Strings per tracker 2 3 1 string apart
Dimensions 485x370x210 mm 682x661x264 mm 485x370x210 mm vs 682x661x264 mm
02

Full specification

Parameter SG15KTL-M STP 15000TL-30 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 29.0 A 5.0 A apart
PV input
Max PV power - 27.00 kW Not published by Sungrow
DC/AC ratio - 1.80 Not published by Sungrow
Max DC voltage 1100 V 1000 V 100 V apart
MPPT voltage range 200-1000 V 240-800 V 200-1000 V vs 240-800 V
Start voltage 250 V 188 V -62 V for STP 15000TL-30
MPP trackers 2 2 Same
Strings per tracker 2 3 1 string apart
Max input current per tracker 22.0 A 33.0 A +11.0 A for STP 15000TL-30
Efficiency
European efficiency 98.3 % 98.0 % +0.3 pp for SG15KTL-M
Max efficiency 98.6 % 98.4 % +0.2 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 61.0 kg -37.0 kg for SG15KTL-M
Weight per kW 1.6 kg/kW 4.1 kg/kW -2.5 kg/kW for SG15KTL-M
Dimensions 485x370x210 mm 682x661x264 mm 485x370x210 mm vs 682x661x264 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise - 51 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi - - Neither datasheet publishes this
Ethernet - Yes Not published by Sungrow
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Sungrow
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.