Skip to main content
SUN-30K-G03 vs GW30K-MT 11 of 19 identical Swap Change inverters

Deye SUN-30K-G03 vs GoodWe GW30K-MT

Deye SUN-30K-G03
Deye
SUN-30K-G03
30 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW30K-MT
GoodWe
GW30K-MT
30 kW 98.5 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

GW30K-MT leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.

See all 8 differences
How alike are they
11 of 19 comparable
parameters are identical
identical differs not published
01

What actually differs

8 of 19 parameters
Parameter SUN-30K-G03 GW30K-MT Difference
European efficiency 98.0 % 98.5 % 0.5 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max input current per tracker 40.0 A 30.0 A 10.0 A more headroom
Weight 44.5 kg 40.0 kg 4.5 kg lighter
Start voltage 250 V 180 V 70 V earlier start
Max operating temperature 65 °C 60 °C 5 °C more heat tolerant
MPPT voltage range 200-850 V 200-950 V 200-850 V vs 200-950 V
Dimensions 537x648x304 mm 590x480x200 mm 537x648x304 mm vs 590x480x200 mm
02

Full specification

Parameter SUN-30K-G03 GW30K-MT Difference
AC output
Rated AC power 30.00 kW 30.00 kW Same
Max AC power 33.00 kW 33.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 47.8 A 48.0 A Effectively the same
PV input
Max PV power 39.00 kW - Not published by GoodWe
DC/AC ratio 1.30 - Not published by GoodWe
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-850 V 200-950 V 200-850 V vs 200-950 V
Start voltage 250 V 180 V -70 V for GW30K-MT
MPP trackers 4 - Not published by GoodWe
Strings per tracker - 2 Not published by Deye
Max input current per tracker 40.0 A 30.0 A +10.0 A for SUN-30K-G03
Efficiency
European efficiency 98.0 % 98.5 % +0.5 pp for GW30K-MT
Max efficiency 98.7 % 98.8 % 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 44.5 kg 40.0 kg -4.5 kg for GW30K-MT
Weight per kW 1.5 kg/kW 1.3 kg/kW Effectively the same
Dimensions 537x648x304 mm 590x480x200 mm 537x648x304 mm vs 590x480x200 mm
Ingress protection IP65 IP65 Same
Cooling forced-air forced-air Same
Noise 45 dB - Not published by GoodWe
Max operating temperature 65 °C 60 °C +5 °C for SUN-30K-G03
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes - Not published by GoodWe
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Growatt
Deye SUN-30K-G03 vs Growatt MID 30KTL3-X2 (Pro.E)
14 differences, the largest is european efficiency
Same type, similar size
Growatt
Deye SUN-30K-G03 vs Growatt MID 30KTL3-X
13 differences, the largest is european efficiency
Same type, similar size
Growatt
Deye SUN-30K-G03 vs Growatt MID 30KTL3-X2-1
14 differences, the largest is european efficiency
Same type, similar size
Huawei
GoodWe GW30K-MT vs Huawei SUN2000-33KTL-A
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.