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GoodWe GW5K-DNS-G40 vs Solis S6-GR1P5K-S

AC power: GoodWe GW5K-DNS-G40 5 kW, Solis S6-GR1P5K-S 5 kW. The GoodWe GW5K-DNS-G40 is better on 5 of 8 comparable points.

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Both models in detail

Who wins where

  • GoodWe GW5K-DNS-G40
  • Solis S6-GR1P5K-S
PerformanceEfficiencyElectricalDimensions & weight
Performance: GoodWe GW5K-DNS-G40 46, Solis S6-GR1P5K-S 46; Efficiency: GoodWe GW5K-DNS-G40 60, Solis S6-GR1P5K-S 35; Electrical: GoodWe GW5K-DNS-G40 67, Solis S6-GR1P5K-S 47; Dimensions & weight: GoodWe GW5K-DNS-G40 85, Solis S6-GR1P5K-S 86

Biggest differences

FactGW5K-DNS-G40S6-GR1P5K-S
MPPT voltage min.40 V90 V
Max. input current per MPPT20 A16 A
Weight9.2 kg9 kg
All specifications ↓

Score per area = position (0–100) relative to all 263 models in this category; higher is better.

Technical specificationsGoodWeGW5K-DNS-G40SolisS6-GR1P5K-S
Performance
AC power5 kW15 kW2
Max. PV array power–7.5 kWp3
MPP trackers2123
Efficiency
Max. efficiency98.1 %✓197.7 %3
European efficiency97.4 %✓197.1 %3
Noise
Noise–20 dB(A)3
Electrical
MPPT voltage min.40 V✓190 V3
MPPT voltage max.560 V✓1550 V3
Max. input current per MPPT20 A✓116 A3
Phases1112
Connectivity & smart
Hybrid (battery-ready)–No2
Wi-Fi / monitoringYes1–
Dimensions & weight
IP ratingIP661IP663
Width358 mm1330 mm3
Height323 mm1371 mm3
Depth165 mm1161 mm3
Weight9.2 kg19 kg✓3

Frequently asked questions

Which is better: the GoodWe GW5K-DNS-G40 or the Solis S6-GR1P5K-S?

AC power: GoodWe GW5K-DNS-G40 5 kW, Solis S6-GR1P5K-S 5 kW. The GoodWe GW5K-DNS-G40 is better on 5 of 8 comparable points.

What is the AC power of the GoodWe GW5K-DNS-G40 and the Solis S6-GR1P5K-S?

GoodWe GW5K-DNS-G40: 5 kW. Solis S6-GR1P5K-S: 5 kW.

Which is better on MPPT voltage min.: the GoodWe GW5K-DNS-G40 or the Solis S6-GR1P5K-S?

GoodWe GW5K-DNS-G40: 40 V. Solis S6-GR1P5K-S: 90 V.

Which is better on max. input current per MPPT: the GoodWe GW5K-DNS-G40 or the Solis S6-GR1P5K-S?

GoodWe GW5K-DNS-G40: 20 A. Solis S6-GR1P5K-S: 16 A.

How we collect and check this data →

Sources

  1. DNS G4 Series 3–6 kW string inverter (EMEA) – datasheet, EN-EMEA V1.1 (20250617) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
  2. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  3. Solis Single Phase Grid-Tied Inverters S6-GR1P(2.5-6)K-S Datasheet, 1.0 — GINLONG TECHNOLOGIES CO.,LTD. · accessed 29 Sept 2026