Fox ESS H3-Pro-15.0 vs GoodWe GW15K-ET-20
AC power: Fox ESS H3-Pro-15.0 15 kW, GoodWe GW15K-ET-20 15 kW. The GoodWe GW15K-ET-20 is better on 4 of 10 comparable points.
Who wins where
- Fox ESS H3-Pro-15.0
- GoodWe GW15K-ET-20
Biggest differences
| Fact | H3-Pro-15.0 | GW15K-ET-20 |
|---|---|---|
| Weight | 52.5 kg | 25 kg |
| MPPT voltage min. | 150 V | 120 V |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | Fox ESSH3-Pro-15.0 | GoodWeGW15K-ET-20 |
|---|---|---|
| Performance | ||
| AC power | 15 kW 1 | 15 kW 2 |
| Max. PV array power | – | 24 kWp 2 |
| MPP trackers | 3 3 | 3 2 |
| Efficiency | ||
| Max. efficiency | 97.2 % 3 | 98.2 % ✓ 2 |
| European efficiency | 96.3 % 3 | 97.5 % ✓ 2 |
| Noise | ||
| Noise | 45 dB(A) 3 | – |
| Electrical | ||
| MPPT voltage min. | 150 V 3 | 120 V ✓ 2 |
| MPPT voltage max. | 850 V 3 | 850 V 2 |
| Max. input current per MPPT | – | 16 A 2 |
| Phases | – | 3 2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | Yes 3 | Yes 2 |
| Backup power | Yes 3 | Yes 2 |
| Wi-Fi / monitoring | Yes 3 | Yes 2 |
| Dimensions & weight | ||
| IP rating | IP65 3 | IP66 2 |
| Width | 600 mm 3 | 496 mm 2 |
| Height | 560 mm 3 | 460 mm 2 |
| Depth | 225 mm 3 | 221 mm 2 |
| Weight | 52.5 kg 3 | 25 kg ✓ 2 |
Sources
- CEC approved inverters (Australia) — Clean Energy Regulator (Australian Government), CC BY 4.0 · accessed 29 Sept 2026
- ET G2 Series 6–15 kW hybrid inverter (EMEA) – datasheet, EN-EMEA V1.1 (20241022) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026
- H3 PRO THREE-PHASE HYBRID INVERTER, 2.6 — Fox ESS · accessed 29 Sept 2026