GoodWe GW15K-ET-20 (ET G2) vs Huawei SUN2000-15K-MB0
VS
The verdict
17 differences, and they point both ways
The largest is max dc voltage: 100 V apart. 9 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.
See all 17 differencesHow alike are they
9
of 26 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
17 of 26 parameters
What actually differs
Parameter
GW15K-ET-20 (ET G2)
SUN2000-15K-MB0
Difference
Max DC voltage
1000 V
1100 V
100 V apart
Max input current per tracker
16.0 A
30.0 A
14.0 A more headroom
Max AC power
15.00 kW
16.50 kW
1.50 kW apart
Max PV power
24.00 kW
22.50 kW
1.50 kW apart
Max charge current
40 A
26 A
14 A faster charging
Weight
25.0 kg
21.0 kg
4.0 kg lighter
DC/AC ratio
1.60
1.50
0.10 more oversizing headroom
Start voltage
150 V
200 V
50 V earlier start
MPP trackers
3
2
1 tracker more
Max efficiency
98.2 %
98.4 %
0.2 pp more efficient
Weight per kW
1.7 kg/kW
1.4 kg/kW
0.3 kg/kW lighter
MPPT voltage range
120-850 V
200-1000 V
120-850 V vs 200-1000 V
Battery voltage
150-720 V
600 V ~ 980 V
150-720 V vs 600 V ~ 980 V
Max AC current
26.1 A
25.2 A
0.9 A apart
Strings per tracker
1
2
1 string apart
Dimensions
460x496x221 mm
460x546x242 mm
460x496x221 mm vs 460x546x242 mm
Cooling
natural
forced-air
natural vs forced-air
02
Full specification
Parameter
GW15K-ET-20 (ET G2)
SUN2000-15K-MB0
Difference
AC output
Rated AC power
15.00 kW
15.00 kW
Same
Max AC power
15.00 kW
16.50 kW
1.50 kW apart
Grid connection
3-phase
3-phase
Same
Nominal AC voltage
400 V
400 V
Same
Max AC current
26.1 A
25.2 A
0.9 A apart
PV input
Max PV power
24.00 kW
22.50 kW
1.50 kW apart
DC/AC ratio
1.60
1.50
+0.10 for GW15K-ET-20 (ET G2)
Max DC voltage
1000 V
1100 V
100 V apart
MPPT voltage range
120-850 V
200-1000 V
120-850 V vs 200-1000 V
Start voltage
150 V
200 V
-50 V for GW15K-ET-20 (ET G2)
MPP trackers
3
2
+1 trackers for GW15K-ET-20 (ET G2)
Strings per tracker
1
2
1 string apart
Max input current per tracker
16.0 A
30.0 A
+14.0 A for SUN2000-15K-MB0
Efficiency
European efficiency
-
98.0 %
Not published by GoodWe
Max efficiency
98.2 %
98.4 %
+0.2 pp for SUN2000-15K-MB0
CEC efficiency
-
-
Neither datasheet publishes this
Battery
Battery input
Yes
Yes
Same
Battery voltage
150-720 V
600 V ~ 980 V
150-720 V vs 600 V ~ 980 V
Max charge current
40 A
26 A
+14 A for GW15K-ET-20 (ET G2)
Backup power
-
-
Neither datasheet publishes this
Physical
Weight
25.0 kg
21.0 kg
-4.0 kg for SUN2000-15K-MB0
Weight per kW
1.7 kg/kW
1.4 kg/kW
-0.3 kg/kW for SUN2000-15K-MB0
Dimensions
460x496x221 mm
460x546x242 mm
460x496x221 mm vs 460x546x242 mm
Ingress protection
IP66
IP66
Same
Cooling
natural
forced-air
natural vs forced-air
Noise
-
-
Neither datasheet publishes this
Max operating temperature
60 °C
60 °C
Same
Connectivity and safety
Wi-Fi
Yes
Yes
Same
Ethernet
-
Yes
Not published by GoodWe
Arc fault protection
Yes
Yes
Same
Integrated DC switch
Yes
Yes
Same
Warranty
Warranty
-
-
Neither datasheet publishes this
03
Open all inverters
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04
Written summary
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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.