Fronius Primo 8.2-1 vs GoodWe GW8000-ET-20
AC power: Fronius Primo 8.2-1 8.2 kW, GoodWe GW8000-ET-20 8 kW. The Fronius Primo 8.2-1 is better on 6 of 10 comparable points.
Who wins where
- Fronius Primo 8.2-1
- GoodWe GW8000-ET-20
Biggest differences
| Fact | Primo 8.2-1 | GW8000-ET-20 |
|---|---|---|
| MPPT voltage min. | 80 V | 120 V |
| Max. input current per MPPT | 18 A | 16 A |
| Weight | 21.5 kg | 23 kg |
| MPPT voltage max. | 800 V | 850 V |
| AC power | 8.2 kW | 8 kW |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | FroniusPrimo 8.2-1 | GoodWeGW8000-ET-20 |
|---|---|---|
| Performance | ||
| AC power | 8.2 kW ✓ 1 | 8 kW 2 |
| Max. PV array power | – | 12.8 kWp 2 |
| MPP trackers | 2 3 | 2 2 |
| Efficiency | ||
| Max. efficiency | 98.1 % ✓ 3 | 98 % 2 |
| European efficiency | 97.5 % ✓ 3 | 97.2 % 2 |
| Electrical | ||
| MPPT voltage min. | 80 V ✓ 3 | 120 V 2 |
| MPPT voltage max. | 800 V 3 | 850 V ✓ 2 |
| Max. input current per MPPT | 18 A ✓ 3 | 16 A 2 |
| Phases | 1 1 | 3 2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | No 1 | Yes ✓ 2 |
| Backup power | – | Yes 2 |
| Wi-Fi / monitoring | Yes 3 | Yes 2 |
| Dimensions & weight | ||
| IP rating | – | IP66 2 |
| Width | 431 mm 3 | 496 mm 2 |
| Height | 645 mm 3 | 460 mm 2 |
| Depth | 204 mm 3 | 221 mm 2 |
| Weight | 21.5 kg ✓ 3 | 23 kg 2 |
Sources
- ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 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
- FRONIUS PRIMO, v19 Dec 2022 — Fronius · accessed 2 Oct 2026