Solar inverters · Compare

Fronius Symo 6.0-3-M vs GoodWe GW6000-ET-20

AC power: Fronius Symo 6.0-3-M 6 kW, GoodWe GW6000-ET-20 6 kW. The Fronius Symo 6.0-3-M is better on 3 of 10 comparable points.

Who wins where

  • Fronius Symo 6.0-3-M
  • GoodWe GW6000-ET-20
PerformanceEfficiencyElectricalConnectivity & smartDimensions & weight
Performance: Fronius Symo 6.0-3-M 58, GoodWe GW6000-ET-20 54; Efficiency: Fronius Symo 6.0-3-M 59, GoodWe GW6000-ET-20 48; Electrical: Fronius Symo 6.0-3-M 45, GoodWe GW6000-ET-20 58; Connectivity & smart: Fronius Symo 6.0-3-M 50, GoodWe GW6000-ET-20 50; Dimensions & weight: Fronius Symo 6.0-3-M 49, GoodWe GW6000-ET-20 33

Biggest differences

FactSymo 6.0-3-MGW6000-ET-20
Max. PV array power12 kWp9.6 kWp
MPPT voltage min.150 V120 V
Weight19.9 kg23 kg
MPPT voltage max.800 V850 V
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications FroniusSymo 6.0-3-M GoodWeGW6000-ET-20
Performance
AC power 6 kW 1 6 kW 2
Max. PV array power 12 kWp ✓ 1 9.6 kWp 2
MPP trackers 2 1 2 2
Efficiency
Max. efficiency 98 % 1 98 % 2
European efficiency 97.5 % ✓ 1 97.2 % 2
Electrical
MPPT voltage min. 150 V 1 120 V ✓ 2
MPPT voltage max. 800 V 1 850 V ✓ 2
Max. input current per MPPT 16 A 1 16 A 2
Phases 3 1 3 2
Connectivity & smart
Hybrid (battery-ready) – Yes 2
Backup power – Yes 2
Wi-Fi / monitoring Yes 1 Yes 2
Dimensions & weight
IP rating – IP66 2
Width 431 mm 1 496 mm 2
Height 645 mm 1 460 mm 2
Depth 204 mm 1 221 mm 2
Weight 19.9 kg ✓ 1 23 kg 2

Sources

  1. FRONIUS SYMO, M,06,0092,EN v27 Dec 2022 — Fronius · accessed 2 Oct 2026
  2. ET G2 Series 6–15 kW hybrid inverter (EMEA) – datasheet, EN-EMEA V1.1 (20241022) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026