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Fronius Primo 15.0-1 vs MID 15KTL3-X 7 of 20 identical Swap Change inverters

Fronius Primo 15.0-1 vs Growatt MID 15KTL3-X

Fronius Primo 15.0-1
Fronius International
Fronius Primo 15.0-1
15 kW 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

13 differences, and they point both ways

The largest is warranty: 5 yrs longer. 7 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.

See all 13 differences
How alike are they
7 of 20 comparable
parameters are identical
identical differs not published
01

What actually differs

13 of 20 parameters
Parameter Fronius Primo 15.0-1 MID 15KTL3-X Difference
Warranty 10 yrs 5 yrs 5 yrs longer
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 96.7 % 98.8 % 2.0 pp more efficient
Max AC power 15.00 kW 16.60 kW 1.60 kW apart
Weight 37.4 kg 23.0 kg 14.4 kg lighter
Weight per kW 2.5 kg/kW 1.5 kg/kW 1.0 kg/kW lighter
Grid connection Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 240 V 400 V 160 V apart
Max AC current 62.5 A 24.2 A 38.3 A apart
Start voltage 80 V 250 V 170 V earlier start
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
MPPT voltage range 200-800 V 200-1000 V 200-800 V vs 200-1000 V
Dimensions 724x511x226 mm 395x525x222 mm 724x511x226 mm vs 395x525x222 mm
02

Full specification

Parameter Fronius Primo 15.0-1 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 Single-phase 3-phase Single-phase vs 3-phase
Nominal AC voltage 240 V 400 V 160 V apart
Max AC current 62.5 A 24.2 A 38.3 A apart
PV input
Max PV power - 22.50 kW Not published by Fronius International
DC/AC ratio - 1.50 Not published by Fronius International
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 200-800 V 200-1000 V 200-800 V vs 200-1000 V
Start voltage 80 V 250 V -170 V for Fronius Primo 15.0-1
MPP trackers 2 2 Same
Strings per tracker - - Neither datasheet publishes this
Max input current per tracker 33.0 A - Not published by Growatt
Efficiency
European efficiency - 98.6 % Not published by Fronius International
Max efficiency 96.7 % 98.8 % +2.0 pp for MID 15KTL3-X
CEC efficiency 97.0 % - Not published by Growatt
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 37.4 kg 23.0 kg -14.4 kg for MID 15KTL3-X
Weight per kW 2.5 kg/kW 1.5 kg/kW -1.0 kg/kW for MID 15KTL3-X
Dimensions 724x511x226 mm 395x525x222 mm 724x511x226 mm vs 395x525x222 mm
Ingress protection NEMA 4X IP65 NEMA 4X vs IP65
Cooling forced-air forced-air Same
Noise - - Neither datasheet publishes this
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 10 yrs 5 yrs +5 yrs for Fronius Primo 15.0-1
03

More useful comparisons

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Fronius Primo 15.0-1 vs Huawei SUN2000-15KTL-M0
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Growatt
Growatt MID 15KTL3-X vs Growatt MOD 15KTL3-X
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.