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SG2.0RS-S vs GW2000-SS 9 of 20 identical Swap Change inverters

Sungrow SG2.0RS-S vs GoodWe GW2000-SS

Sungrow SG2.0RS-S
Sungrow
SG2.0RS-S
2 kW 96.9 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe
GW2000-SS
2 kW 97.4 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

SG2.0RS-S leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 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 SG2.0RS-S GW2000-SS Difference
European efficiency 96.9 % 97.4 % 0.5 pp more efficient
Max DC voltage 600 V 500 V 100 V apart
Max AC power 2.00 kW 2.20 kW 0.20 kW apart
Max PV power 3.00 kW 2.50 kW 0.50 kW apart
DC/AC ratio 1.50 1.25 0.25 more oversizing headroom
Weight 6.0 kg 12.0 kg 6.0 kg lighter
Weight per kW 3.0 kg/kW 6.0 kg/kW 3.0 kg/kW lighter
Start voltage 50 V 125 V 75 V earlier start
MPPT voltage range 40-560 V 125-450 V 40-560 V vs 125-450 V
Max AC current 9.1 A 10.0 A 0.9 A apart
Dimensions 225x320x120 mm 332x370x148 mm 225x320x120 mm vs 332x370x148 mm
02

Full specification

Parameter SG2.0RS-S GW2000-SS Difference
AC output
Rated AC power 2.00 kW 2.00 kW Same
Max AC power 2.00 kW 2.20 kW 0.20 kW apart
Grid connection Single-phase Single-phase Same
Nominal AC voltage 230 V 230 V Same
Max AC current 9.1 A 10.0 A 0.9 A apart
PV input
Max PV power 3.00 kW 2.50 kW 0.50 kW apart
DC/AC ratio 1.50 1.25 +0.25 for SG2.0RS-S
Max DC voltage 600 V 500 V 100 V apart
MPPT voltage range 40-560 V 125-450 V 40-560 V vs 125-450 V
Start voltage 50 V 125 V -75 V for SG2.0RS-S
MPP trackers 1 1 Same
Strings per tracker 1 - Not published by GoodWe
Max input current per tracker 16.0 A - Not published by GoodWe
Efficiency
European efficiency 96.9 % 97.4 % +0.5 pp for GW2000-SS
Max efficiency 97.8 % 97.8 % 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 6.0 kg 12.0 kg -6.0 kg for SG2.0RS-S
Weight per kW 3.0 kg/kW 6.0 kg/kW -3.0 kg/kW for SG2.0RS-S
Dimensions 225x320x120 mm 332x370x148 mm 225x320x120 mm vs 332x370x148 mm
Ingress protection IP65 IP65 Same
Cooling natural natural Same
Noise - 25 dB Not published by Sungrow
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes - Not published by GoodWe
Ethernet Yes - Not published by GoodWe
Arc fault protection Yes - Not published by GoodWe
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.