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The three-phase hybrid inverter GW29.999K-ETA-G20 from the GoodWe ESA series is a component of the All-in-One high-voltage energy storage system with a nominal power of 29.999 kW. It supports up to 60 kW of PV power, offers a maximum efficiency of 98.2%, and features backup power switching in under 4 ms.
The GW29.999K-ETA-G20 is a three-phase hybrid inverter serving as the power module of the GoodWe ESA All-in-One high-voltage (HV) energy storage system, which integrates the inverter, battery, and smart energy management in a single, pre-wired, modular design. The model with a nominal power of 29.999 kW accepts up to 60 kW of power from the photovoltaic installation and controls battery charging with up to 30 kW and discharging up to 33 kW. It provides advanced multi-layer protection, readiness to work with an AI-based EMS, and rapid switching to backup power.
| Inverter type | hybrid, three-phase (HV) |
| Nominal AC power | 29.999 kW |
| Max. PV input power | 60 kW |
| Max. PV input voltage | 1000 V |
| MPPT voltage range | 120–950 V |
| Battery cell type | LiFePO4 (LFP) |
| Nominal battery voltage | 750 V |
| Battery voltage range | 700–950 V |
| Max. battery charge / discharge power | 30 / 33 kW |
| Max. charge / discharge current | 40.0 / 44.1 A |
| Nominal AC voltage | 220/380, 230/400 V (3L/N/PE) |
| Backup port apparent power | 29.999 kVA |
| On/off-grid switching time | <4 ms |
| Max. efficiency | 98.2% |
| European efficiency | 97.4% |
| Operating temperature range | -35 ~ +60 °C |
| Cooling | smart fan |
| Protection rating | IP66 |
| Dimensions (W × H × D) | 800 × 340 × 270 mm |
| Weight | 38 kg |
Goodwe GW29.999K-ETA-G20 — three-phase hybrid inverter for All-in-One energy storage syste — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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