---
title: "GoodWe GW15K-ET-20 (ET G2) vs Growatt MOD 15KTL3-HU - Inverter Comparison | ComparePV"
description: "Compare GoodWe GW15K-ET-20 (ET G2) vs Growatt MOD 15KTL3-HU side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gw15k-et-20-et-g2/growatt-mod-15ktl3-hu"
updated: 2026-01-16
---

# GoodWe GW15K-ET-20 (ET G2) vs Growatt MOD 15KTL3-HU

MOD 15KTL3-HU leads on the differences that matter

The largest is max input current per tracker: 4.0 A more headroom. 14 of 26 comparable parameters are identical, with 6 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GW15K-ET-20 (ET G2)](https://comparepv.com/inverter/goodwe-gw15k-et-20-et-g2) | [Growatt MOD 15KTL3-HU](https://comparepv.com/inverter/growatt-mod-15ktl3-hu) |
| Manufacturer | GoodWe | Growatt |
| Rated AC power | 15 kW | 15 kW |
| Type | Hybrid | Hybrid |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | GW15K-ET-20 (ET G2) | MOD 15KTL3-HU | Difference |
| --- | --- | --- | --- |
| Max input current per tracker | 16.0 A | 20.0 A | +4.0 A for MOD 15KTL3-HU |
| Max PV power | 24.00 kW | 30.00 kW | 6.00 kW apart |
| DC/AC ratio | 1.60 | 2.00 | +0.40 for MOD 15KTL3-HU |
| Max charge current | 40 A | 25 A | +15 A for GW15K-ET-20 (ET G2) |
| Weight | 25.0 kg | 20.0 kg | -5.0 kg for MOD 15KTL3-HU |
| Max efficiency | 98.2 % | 98.6 % | +0.4 pp for MOD 15KTL3-HU |
| Weight per kW | 1.7 kg/kW | 1.3 kg/kW | -0.3 kg/kW for MOD 15KTL3-HU |
| Max AC current | 26.1 A | 25.0 A | 1.1 A apart |
| MPPT voltage range | 120-850 V | 140-1000 V | 120-850 V vs 140-1000 V |
| Battery voltage | 150-720 V | 600-980V | 150-720 V vs 600-980V |
| Start voltage | 150 V | 160 V | -10 V for GW15K-ET-20 (ET G2) |
| Dimensions | 460x496x221 mm | 480x468x202 mm | 460x496x221 mm vs 480x468x202 mm |


## Every compared parameter


| Parameter | GW15K-ET-20 (ET G2) | MOD 15KTL3-HU |
| --- | --- | --- |
| Rated AC power | 15.00 kW | 15.00 kW |
| Max AC power | 15.00 kW | 15.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | 26.1 A | 25.0 A |
| Max PV power | 24.00 kW | 30.00 kW |
| DC/AC ratio | 1.60 | 2.00 |
| Max DC voltage | 1000 V | 1000 V |
| MPPT voltage range | 120-850 V | 140-1000 V |
| Start voltage | 150 V | 160 V |
| MPP trackers | 3 | 3 |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 16.0 A | 20.0 A |
| European efficiency | - | 98.1 % |
| Max efficiency | 98.2 % | 98.6 % |
| CEC efficiency | - | - |
| Battery input | Yes | Yes |
| Battery voltage | 150-720 V | 600-980V |
| Max charge current | 40 A | 25 A |
| Backup power | - | - |
| Weight | 25.0 kg | 20.0 kg |
| Weight per kW | 1.7 kg/kW | 1.3 kg/kW |
| Dimensions | 460x496x221 mm | 480x468x202 mm |
| Ingress protection | IP66 | IP66 |
| Cooling | natural | natural |
| Noise | - | 29 dB |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | - |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | 10 yrs |


## Related comparisons

- [GoodWe GW15K-ET-20 (ET G2) vs Growatt MID 15KTL3-XH](https://comparepv.com/compare-inverters/goodwe-gw15k-et-20-et-g2/growatt-mid-15ktl3-xh) - 15 differences, the largest is max dc voltage
- [GoodWe GW15K-ET-20 (ET G2) vs Huawei SUN2000-15K-MB0](https://comparepv.com/compare-inverters/goodwe-gw15k-et-20-et-g2/huawei-sun2000-15k-mb0) - 17 differences, the largest is max dc voltage
- [GoodWe GW15K-ET-20 (ET G2) vs Sofar Solar HYD 15KTL-3PH](https://comparepv.com/compare-inverters/goodwe-gw15k-et-20-et-g2/sofar-solar-hyd-15ktl-3ph) - 12 differences, the largest is max pv power
- [Growatt MOD 15KTL3-HU vs Sungrow SH15T](https://comparepv.com/compare-inverters/growatt-mod-15ktl3-hu/sungrow-sh15t) - 14 differences, the largest is european efficiency


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Source: https://comparepv.com/compare-inverters/goodwe-gw15k-et-20-et-g2/growatt-mod-15ktl3-hu

Not in this file, on the page: a written summary generated on request.