Solar inverters · Compare

Fronius Primo GEN24 3.0 vs GoodWe GW3000-ES-20

AC power: Fronius Primo GEN24 3.0 3 kW, GoodWe GW3000-ES-20 3 kW. The Fronius Primo GEN24 3.0 is better on 4 of 12 comparable points.

Who wins where

  • Fronius Primo GEN24 3.0
  • GoodWe GW3000-ES-20
PerformanceEfficiencyElectricalConnectivity & smartDimensions & weight
Performance: Fronius Primo GEN24 3.0 24, GoodWe GW3000-ES-20 10; Efficiency: Fronius Primo GEN24 3.0 24, GoodWe GW3000-ES-20 22; Electrical: Fronius Primo GEN24 3.0 39, GoodWe GW3000-ES-20 54; Connectivity & smart: Fronius Primo GEN24 3.0 39, GoodWe GW3000-ES-20 56; Dimensions & weight: Fronius Primo GEN24 3.0 79, GoodWe GW3000-ES-20 50

Biggest differences

FactPrimo GEN24 3.0GW3000-ES-20
MPPT voltage min.190 V60 V
MPP trackers21
Max. input current per MPPT22 A16 A
Weight15.4 kg19.6 kg
MPPT voltage max.530 V550 V
All specifications ↓

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

Technical specifications FroniusPrimo GEN24 3.0 GoodWeGW3000-ES-20
Performance
AC power 3 kW 1 3 kW 2
Max. PV array power 4.5 kWp 3 4.5 kWp 2
MPP trackers 2 ✓ 3 1 2
Efficiency
Max. efficiency 97.6 % 3 97.6 % 2
European efficiency 96.8 % ✓ 3 96.7 % 2
Noise
Noise 42 dB(A) 3 –
Electrical
MPPT voltage min. 190 V 3 60 V ✓ 2
MPPT voltage max. 530 V 3 550 V ✓ 2
Max. input current per MPPT 22 A ✓ 3 16 A 2
Phases 1 1 –
Connectivity & smart
Hybrid (battery-ready) No 1 Yes ✓ 2
Backup power Yes 3 Yes 2
Wi-Fi / monitoring Yes 3 Yes 2
Dimensions & weight
IP rating IP66 3 IP65 2
Width 474 mm 3 505.9 mm 2
Height 530 mm 3 434.9 mm 2
Depth 165 mm 3 154.8 mm 2
Weight 15.4 kg ✓ 3 19.6 kg 2

Sources

  1. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  2. ES G2 Series 3-6kW Single Phase Hybrid inverter (LV), 20260430-EN-V2.1 — GoodWe · accessed 2 Oct 2026
  3. Fronius Primo GEN24 & GEN24 Plus 3.0 - 6.0 kW – datasheet, EN V04 (June 2025) — Fronius International GmbH · accessed 27 Sept 2026