Skip to main content
GW8500-MS vs SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) 7 of 18 identical Swap Change inverters

GoodWe GW8500-MS vs SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)

GoodWe GW8500-MS
GoodWe
GW8500-MS
8.5 kW 97.3 % euro Grid-tie
Open inverter page Datasheet PDF
VS
SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
SolarEdge
SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
8.7 kW 97.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is rated ac power: 0.20 kW apart. 7 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.

See all 11 differences
How alike are they
7 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 18 parameters
Parameter GW8500-MS SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
Rated AC power 8.50 kW 8.70 kW 0.20 kW apart
Max AC power 9.35 kW 8.70 kW 0.65 kW apart
Weight 22.5 kg 30.7 kg 8.2 kg lighter
Weight per kW 2.6 kg/kW 3.5 kg/kW 0.9 kg/kW lighter
European efficiency 97.3 % 97.6 % 0.3 pp more efficient
Max efficiency 97.7 % 98.0 % 0.3 pp more efficient
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Max AC current 42.5 A 23.0 A 19.5 A apart
MPPT voltage range 80-550 V 370-600 V 80-550 V vs 370-600 V
Dimensions 511x415x175 mm 540x315x260 mm 511x415x175 mm vs 540x315x260 mm
Cooling natural forced-air natural vs forced-air
02

Full specification

Parameter GW8500-MS SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) Difference
AC output
Rated AC power 8.50 kW 8.70 kW 0.20 kW apart
Max AC power 9.35 kW 8.70 kW 0.65 kW apart
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 230 V 230 V Same
Max AC current 42.5 A 23.0 A 19.5 A apart
PV input
Max PV power - 11.74 kW Not published by GoodWe
DC/AC ratio - 1.35 Not published by GoodWe
Max DC voltage 600 V 600 V Same
MPPT voltage range 80-550 V 370-600 V 80-550 V vs 370-600 V
Start voltage 80 V - Not published by SolarEdge
MPP trackers 3 - Not published by SolarEdge
Strings per tracker 1 - Not published by SolarEdge
Max input current per tracker 16.0 A - Not published by SolarEdge
Efficiency
European efficiency 97.3 % 97.6 % +0.3 pp for SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
Max efficiency 97.7 % 98.0 % +0.3 pp for SE15K (Delta grid version; part no. SExxK-xxxxxbxx4)
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 22.5 kg 30.7 kg -8.2 kg for GW8500-MS
Weight per kW 2.6 kg/kW 3.5 kg/kW -0.9 kg/kW for GW8500-MS
Dimensions 511x415x175 mm 540x315x260 mm 511x415x175 mm vs 540x315x260 mm
Ingress protection IP65 IP65 Same
Cooling natural forced-air natural vs forced-air
Noise - 50 dB Not published by GoodWe
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes Yes Same
Integrated DC switch Yes - Not published by SolarEdge
Warranty
Warranty - - Neither datasheet publishes this
03

More useful comparisons

Open all inverters
Same type, similar size
Fronius International
GoodWe GW8500-MS vs Fronius Primo 8.2-1
13 differences, the largest is rated ac power
Same type, similar size
Growatt
GoodWe GW8500-MS vs Growatt MOD 8000TL3-X
16 differences, the largest is rated ac power
Same type, similar size
Growatt
GoodWe GW8500-MS vs Growatt MOD 9000TL3-X
16 differences, the largest is rated ac power
Same type, similar size
Ginlong Solis
SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) vs Ginlong Solis S6-GR3P-9K02-NV-ND
15 differences, the largest is rated ac power
Same type, similar size
Ginlong Solis
SolarEdge SE15K (Delta grid version; part no. SExxK-xxxxxbxx4) vs Solis-3P9K-4G
13 differences, the largest is rated 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.