---
title: "Deye SUN-30K-G03 vs GoodWe GW30K-MT - Inverter Comparison | ComparePV"
description: "Compare Deye SUN-30K-G03 vs GoodWe GW30K-MT side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/deye-sun-30k-g03/goodwe-gw30k-mt"
updated: 2026-01-17
---

# Deye SUN-30K-G03 vs GoodWe GW30K-MT

GW30K-MT leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 11 of 19 comparable parameters are identical, with 13 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Deye SUN-30K-G03](https://comparepv.com/inverter/deye-sun-30k-g03) | [GoodWe GW30K-MT](https://comparepv.com/inverter/goodwe-gw30k-mt) |
| Manufacturer | Deye | GoodWe |
| Rated AC power | 30 kW | 30 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | SUN-30K-G03 | GW30K-MT | Difference |
| --- | --- | --- | --- |
| European efficiency | 98.0 % | 98.5 % | +0.5 pp for GW30K-MT |
| Max DC voltage | 1000 V | 1100 V | 100 V apart |
| Max input current per tracker | 40.0 A | 30.0 A | +10.0 A for SUN-30K-G03 |
| Weight | 44.5 kg | 40.0 kg | -4.5 kg for GW30K-MT |
| Start voltage | 250 V | 180 V | -70 V for GW30K-MT |
| Max operating temperature | 65 °C | 60 °C | +5 °C for SUN-30K-G03 |
| MPPT voltage range | 200-850 V | 200-950 V | 200-850 V vs 200-950 V |
| Dimensions | 537x648x304 mm | 590x480x200 mm | 537x648x304 mm vs 590x480x200 mm |


## Every compared parameter


| Parameter | SUN-30K-G03 | GW30K-MT |
| --- | --- | --- |
| Rated AC power | 30.00 kW | 30.00 kW |
| Max AC power | 33.00 kW | 33.00 kW |
| Grid connection | 3-phase | 3-phase |
| Nominal AC voltage | 400 V | 400 V |
| Max AC current | 47.8 A | 48.0 A |
| Max PV power | 39.00 kW | - |
| DC/AC ratio | 1.30 | - |
| Max DC voltage | 1000 V | 1100 V |
| MPPT voltage range | 200-850 V | 200-950 V |
| Start voltage | 250 V | 180 V |
| MPP trackers | 4 | - |
| Strings per tracker | - | 2 |
| Max input current per tracker | 40.0 A | 30.0 A |
| European efficiency | 98.0 % | 98.5 % |
| Max efficiency | 98.7 % | 98.8 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 44.5 kg | 40.0 kg |
| Weight per kW | 1.5 kg/kW | 1.3 kg/kW |
| Dimensions | 537x648x304 mm | 590x480x200 mm |
| Ingress protection | IP65 | IP65 |
| Cooling | forced-air | forced-air |
| Noise | 45 dB | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | Yes |
| Warranty | - | - |


## Related comparisons

- [Deye SUN-30K-G03 vs Growatt MID 30KTL3-X2 (Pro.E)](https://comparepv.com/compare-inverters/deye-sun-30k-g03/growatt-mid-30ktl3-x2-pro-e) - 14 differences, the largest is european efficiency
- [Deye SUN-30K-G03 vs Growatt MID 30KTL3-X](https://comparepv.com/compare-inverters/deye-sun-30k-g03/growatt-mid-30ktl3-x) - 13 differences, the largest is european efficiency
- [Deye SUN-30K-G03 vs Growatt MID 30KTL3-X2-1](https://comparepv.com/compare-inverters/deye-sun-30k-g03/growatt-mid-30ktl3-x2-1) - 14 differences, the largest is european efficiency
- [GoodWe GW30K-MT vs Huawei SUN2000-33KTL-A](https://comparepv.com/compare-inverters/goodwe-gw30k-mt/huawei-sun2000-33ktl-a) - 9 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/deye-sun-30k-g03/goodwe-gw30k-mt

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