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Fronius Eco 25.0-3-S vs MID 25KTL3-X2 (Pro.E) 9 of 20 identical Swap Change inverters

Fronius Eco 25.0-3-S vs Growatt MID 25KTL3-X2 (Pro.E)

Fronius Eco 25.0-3-S
Fronius International
Fronius Eco 25.0-3-S
25 kW 98.0 % euro Grid-tie
Open inverter page Datasheet PDF
VS
Growatt MID 25KTL3-X2 (Pro.E)
Growatt
MID 25KTL3-X2 (Pro.E)
25 kW 98.6 % euro Grid-tie
Open inverter page Datasheet PDF
The verdict

MID 25KTL3-X2 (Pro.E) leads on the differences that matter

The largest is european efficiency: 0.6 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 Fronius Eco 25.0-3-S MID 25KTL3-X2 (Pro.E) Difference
European efficiency 98.0 % 98.6 % 0.6 pp more efficient
Max DC voltage 1000 V 1100 V 100 V apart
Max efficiency 98.2 % 98.8 % 0.6 pp more efficient
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
MPP trackers 1 3 2 trackers more
Weight 35.7 kg 24.0 kg 11.7 kg lighter
Max PV power 37.80 kW 37.50 kW 0.30 kW apart
Weight per kW 1.4 kg/kW 1.0 kg/kW 0.5 kg/kW lighter
Start voltage 650 V 200 V 450 V earlier start
MPPT voltage range 580-850 V 200-1000 V 580-850 V vs 200-1000 V
Dimensions 725x510x225 mm 415x528x225 mm 725x510x225 mm vs 415x528x225 mm
02

Full specification

Parameter Fronius Eco 25.0-3-S MID 25KTL3-X2 (Pro.E) Difference
AC output
Rated AC power 25.00 kW 25.00 kW Same
Max AC power 25.00 kW 27.70 kW 2.70 kW apart
Grid connection 3-phase 3-phase Same
Nominal AC voltage 400 V 400 V Same
Max AC current - 42.0 A Not published by Fronius International
PV input
Max PV power 37.80 kW 37.50 kW 0.30 kW apart
DC/AC ratio 1.51 1.50 Effectively the same
Max DC voltage 1000 V 1100 V 100 V apart
MPPT voltage range 580-850 V 200-1000 V 580-850 V vs 200-1000 V
Start voltage 650 V 200 V -450 V for MID 25KTL3-X2 (Pro.E)
MPP trackers 1 3 +2 trackers for MID 25KTL3-X2 (Pro.E)
Strings per tracker 6 - Not published by Growatt
Max input current per tracker - 40.0 A Not published by Fronius International
Efficiency
European efficiency 98.0 % 98.6 % +0.6 pp for MID 25KTL3-X2 (Pro.E)
Max efficiency 98.2 % 98.8 % +0.6 pp for MID 25KTL3-X2 (Pro.E)
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 35.7 kg 24.0 kg -11.7 kg for MID 25KTL3-X2 (Pro.E)
Weight per kW 1.4 kg/kW 1.0 kg/kW -0.5 kg/kW for MID 25KTL3-X2 (Pro.E)
Dimensions 725x510x225 mm 415x528x225 mm 725x510x225 mm vs 415x528x225 mm
Ingress protection IP66 IP66 Same
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 - Not published by Growatt
Arc fault protection - - Neither datasheet publishes this
Integrated DC switch Yes Yes Same
Warranty
Warranty - 5 yrs Not published by Fronius International
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.