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Fronius Verto 15.0 vs MID 15KTL3-X 10 of 22 identical Swap Change inverters

Fronius Verto 15.0 vs Growatt MID 15KTL3-X

Fronius Verto 15.0
Fronius International
Fronius Verto 15.0
15 kW 98.2 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 15KTL3-X
Growatt
MID 15KTL3-X
15 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 15KTL3-X leads on the differences that matter

The largest is max dc voltage: 100 V apart. 10 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.

See all 12 differences
How alike are they
10 of 22 comparable
parameters are identical
identical differs not published
01

What actually differs

12 of 22 parameters
Parameter Fronius Verto 15.0 MID 15KTL3-X Difference
Max DC voltage 1000 V 1100 V 100 V apart
European efficiency 98.2 % 98.6 % 0.4 pp more efficient
Max AC power 15.00 kW 16.60 kW 1.60 kW apart
MPP trackers 4 2 2 trackers more
Weight 35.2 kg 23.0 kg 12.2 kg lighter
Weight per kW 2.3 kg/kW 1.5 kg/kW 0.8 kg/kW lighter
Start voltage 150 V 250 V 100 V earlier start
Max efficiency 98.5 % 98.8 % 0.2 pp more efficient
Max AC current 22.7 A 24.2 A 1.5 A apart
Ingress protection IP66 IP65 IP66 vs IP65
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Dimensions 730x540x278 mm 395x525x222 mm 730x540x278 mm vs 395x525x222 mm
02

Full specification

Parameter Fronius Verto 15.0 MID 15KTL3-X Difference
AC output
Rated AC power 15.00 kW 15.00 kW Same
Max AC power 15.00 kW 16.60 kW 1.60 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current 22.7 A 24.2 A 1.5 A apart
PV input
Max PV power 22.50 kW 22.50 kW Same
DC/AC ratio 1.50 1.50 Same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 150-870 V 200-1000 V 150-870 V vs 200-1000 V
Start voltage 150 V 250 V -100 V for Fronius Verto 15.0
MPP trackers 4 2 +2 trackers for Fronius Verto 15.0
Strings per tracker 2 - Not published by Growatt
Max input current per tracker 28.0 A - Not published by Growatt
Efficiency
European efficiency 98.2 % 98.6 % +0.4 pp for MID 15KTL3-X
Max efficiency 98.5 % 98.8 % +0.2 pp for MID 15KTL3-X
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 35.2 kg 23.0 kg -12.2 kg for MID 15KTL3-X
Weight per kW 2.3 kg/kW 1.5 kg/kW -0.8 kg/kW for MID 15KTL3-X
Dimensions 730x540x278 mm 395x525x222 mm 730x540x278 mm vs 395x525x222 mm
Ingress protection IP66 IP65 IP66 vs IP65
Cooling forced-air forced-air Same
Noise 56 dB - Not published by Growatt
Max operating temperature 60 °C 60 °C Same
Connectivity and safety
Wi-Fi Yes Yes Same
Ethernet Yes Yes Same
Arc fault protection Yes - Not published by Growatt
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Fronius International
03

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10 differences, the largest is european efficiency
04

Written summary

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate.