Solar inverters · Compare

Fox ESS T8-G3 vs Fronius Symo GEN24 8.0 Plus

AC power: Fox ESS T8-G3 8 kW, Fronius Symo GEN24 8.0 Plus 8 kW. The Fox ESS T8-G3 is better on 4 of 9 comparable points.

Who wins where

  • Fox ESS T8-G3
  • Fronius Symo GEN24 8.0 Plus
PerformanceEfficiencyElectricalDimensions & weight
Performance: Fox ESS T8-G3 63, Fronius Symo GEN24 8.0 Plus 63; Efficiency: Fox ESS T8-G3 91, Fronius Symo GEN24 8.0 Plus 78; Electrical: Fox ESS T8-G3 54, Fronius Symo GEN24 8.0 Plus 50; Dimensions & weight: Fox ESS T8-G3 64, Fronius Symo GEN24 8.0 Plus 32

Biggest differences

FactT8-G3Symo GEN24 8.0 Plus
Max. input current per MPPT14 A25 A
MPPT voltage min.140 V224 V
Weight17 kg23.4 kg
MPPT voltage max.1,000 V800 V
All specifications ↓

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

Technical specifications Fox ESST8-G3 FroniusSymo GEN24 8.0 Plus
Performance
AC power 8 kW 1 8 kW 2
Max. PV array power 12 kWp 1 12 kWp 2
MPP trackers 2 1 2 2
Efficiency
Max. efficiency 98.6 % ✓ 1 98.2 % 2
European efficiency 97.8 % 1 97.8 % 2
Noise
Noise – 47 dB(A) 2
Electrical
MPPT voltage min. 140 V ✓ 1 224 V 2
MPPT voltage max. 1,000 V ✓ 1 800 V 2
Max. input current per MPPT 14 A 1 25 A ✓ 2
Phases 3 1 3 2
Connectivity & smart
Hybrid (battery-ready) – Yes 2
Backup power – Yes 2
Wi-Fi / monitoring – Yes 2
Dimensions & weight
IP rating IP65 1 IP66 2
Width 370 mm 1 529 mm 2
Height 480 mm 1 595 mm 2
Depth 183.5 mm 1 180 mm 2
Weight 17 kg ✓ 1 23.4 kg 2

Sources

  1. T SERIES(G3) THREE-PHASE INVERTER, V2.5 | 2026/07/03 — Fox ESS · accessed 29 Sept 2026
  2. Fronius Symo GEN24 & GEN24 Plus 3.0 - 10.0 kW – datasheet, EN V05 (May 2025) — Fronius International GmbH · accessed 27 Sept 2026