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STP8.0-3AV-40 vs GW8000-DT 10 of 17 identical Swap Change inverters

SMA Solar STP8.0-3AV-40 vs GoodWe GW8000-DT

SMA Solar STP8.0-3AV-40
SMA Solar
STP8.0-3AV-40
8 kW 97.7 % euro Grid-tie
Open inverter page Datasheet PDF
VS
GoodWe GW8000-DT
GoodWe
GW8000-DT
8 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

STP8.0-3AV-40 leads on the differences that matter

The largest is max pv power: 5.40 kW apart. 10 of 17 comparable parameters are identical, with 15 more left out because at least one datasheet does not publish them.

See all 7 differences
How alike are they
10 of 17 comparable
parameters are identical
identical differs not published
01

What actually differs

7 of 17 parameters
Parameter STP8.0-3AV-40 GW8000-DT Difference
Max PV power 15.00 kW 9.60 kW 5.40 kW apart
DC/AC ratio 1.88 1.20 0.68 more oversizing headroom
Weight 20.5 kg 24.0 kg 3.5 kg lighter
European efficiency 97.7 % 98.0 % 0.3 pp more efficient
Weight per kW 2.6 kg/kW 3.0 kg/kW 0.4 kg/kW lighter
Nominal AC voltage 230 V 400 V 170 V apart
Dimensions 497x460x176 mm 415x516x192 mm 497x460x176 mm vs 415x516x192 mm
02

Full specification

Parameter STP8.0-3AV-40 GW8000-DT Difference
AC output
Rated AC power 8.00 kW 8.00 kW Same
Max AC power 8.00 kW 8.00 kW Same
Grid connection 3-phase 3-phase Same
Nominal AC voltage 230 V 400 V 170 V apart
Max AC current 12.1 A 12.1 A Same
PV input
Max PV power 15.00 kW 9.60 kW 5.40 kW apart
DC/AC ratio 1.88 1.20 +0.68 for STP8.0-3AV-40
Max DC voltage 1000 V 1000 V Same
MPPT voltage range 260-800 V - Not published by GoodWe
Start voltage 175 V - Not published by GoodWe
MPP trackers 2 2 Same
Strings per tracker 2 - Not published by GoodWe
Max input current per tracker 20.0 A - Not published by GoodWe
Efficiency
European efficiency 97.7 % 98.0 % +0.3 pp for GW8000-DT
Max efficiency 98.3 % 98.3 % 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 20.5 kg 24.0 kg -3.5 kg for STP8.0-3AV-40
Weight per kW 2.6 kg/kW 3.0 kg/kW -0.4 kg/kW for STP8.0-3AV-40
Dimensions 497x460x176 mm 415x516x192 mm 497x460x176 mm vs 415x516x192 mm
Ingress protection IP65 IP65 Same
Cooling natural - Not published by GoodWe
Noise 30 dB - Not published by GoodWe
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 - - Neither datasheet publishes this
Integrated DC switch Yes - Not published by GoodWe
Warranty
Warranty 5 yrs - Not published by GoodWe
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.