---
title: "GoodWe GWT15K-SDT-30 (SDT G3 series) vs Huawei SUN2000-15KTL-M2 - Inverter Comparison | ComparePV"
description: "Compare GoodWe GWT15K-SDT-30 (SDT G3 series) vs Huawei SUN2000-15KTL-M2 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/goodwe-gwt15k-sdt-30-sdt-g3-series/huawei-sun2000-15ktl-m2"
updated: 2026-01-16
---

# GoodWe GWT15K-SDT-30 (SDT G3 series) vs Huawei SUN2000-15KTL-M2

GWT15K-SDT-30 (SDT G3 series) leads on the differences that matter

The largest is weight: 9.5 kg lighter. 11 of 20 comparable parameters are identical, with 12 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [GoodWe GWT15K-SDT-30 (SDT G3 series)](https://comparepv.com/inverter/goodwe-gwt15k-sdt-30-sdt-g3-series) | [Huawei SUN2000-15KTL-M2](https://comparepv.com/inverter/huawei-sun2000-15ktl-m2) |
| Manufacturer | GoodWe | Huawei |
| Rated AC power | 15 kW | 15 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | GWT15K-SDT-30 (SDT G3 series) | SUN2000-15KTL-M2 | Difference |
| --- | --- | --- | --- |
| Weight | 15.5 kg | 25.0 kg | -9.5 kg for GWT15K-SDT-30 (SDT G3 series) |
| Weight per kW | 1.0 kg/kW | 1.7 kg/kW | -0.6 kg/kW for GWT15K-SDT-30 (SDT G3 series) |
| Max DC voltage | 1100 V | 1080 V | 20 V apart |
| Nominal AC voltage | 380 V | 400 V | 20 V apart |
| Start voltage | 160 V | 200 V | -40 V for GWT15K-SDT-30 (SDT G3 series) |
| Ingress protection | IP66 | IP65 | IP66 vs IP65 |
| MPPT voltage range | 140-1000 V | 160-950 V | 140-1000 V vs 160-950 V |
| Strings per tracker | 1 | 2 | 1 string apart |
| Dimensions | 392x491x204 mm | 470x525x262 mm | 392x491x204 mm vs 470x525x262 mm |


## Every compared parameter


| Parameter | GWT15K-SDT-30 (SDT G3 series) | SUN2000-15KTL-M2 |
| --- | --- | --- |
| Rated AC power | 15.00 kW | 15.00 kW |
| Max AC power | 16.50 kW | 16.50 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 380 V | 400 V |
| Max AC current | 25.0 A | 25.2 A |
| Max PV power | - | 22.50 kW |
| DC/AC ratio | - | 1.50 |
| Max DC voltage | 1100 V | 1080 V |
| MPPT voltage range | 140-1000 V | 160-950 V |
| Start voltage | 160 V | 200 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 1 | 2 |
| Max input current per tracker | 22.0 A | 22.0 A |
| European efficiency | - | 98.3 % |
| Max efficiency | 98.5 % | 98.7 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 15.5 kg | 25.0 kg |
| Weight per kW | 1.0 kg/kW | 1.7 kg/kW |
| Dimensions | 392x491x204 mm | 470x525x262 mm |
| Ingress protection | IP66 | IP65 |
| Cooling | natural | natural |
| Noise | 29 dB | - |
| Max operating temperature | 60 °C | 60 °C |
| Wi-Fi | - | Yes |
| Ethernet | - | Yes |
| Arc fault protection | Yes | Yes |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [GoodWe GWT15K-SDT-30 (SDT G3 series) vs Growatt MID 15KTL3-X](https://comparepv.com/compare-inverters/goodwe-gwt15k-sdt-30-sdt-g3-series/growatt-mid-15ktl3-x) - 11 differences, the largest is weight
- [GoodWe GWT15K-SDT-30 (SDT G3 series) vs Sungrow SG15KTL-M](https://comparepv.com/compare-inverters/goodwe-gwt15k-sdt-30-sdt-g3-series/sungrow-sg15ktl-m) - 11 differences, the largest is max ac power
- [GoodWe GWT15K-SDT-30 (SDT G3 series) vs Huawei SUN2000-15KTL-M0](https://comparepv.com/compare-inverters/goodwe-gwt15k-sdt-30-sdt-g3-series/huawei-sun2000-15ktl-m0) - 9 differences, the largest is weight
- [Huawei SUN2000-15KTL-M2 vs Growatt MOD 15KTL3-X](https://comparepv.com/compare-inverters/huawei-sun2000-15ktl-m2/growatt-mod-15ktl3-x) - 9 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/goodwe-gwt15k-sdt-30-sdt-g3-series/huawei-sun2000-15ktl-m2

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