GoodWe 125KW Three-Phase ON-GRID Solar Inverter (GW125K-GT)

Description

The GoodWe GW125K-GT 125KW Three-Phase ON-GRID Solar Inverter (GT Series) is the high-power flagship conversion solution. It is engineered specifically for utility-scale commercial roofs, industrial complexes, logistics hubs, and large ground-mounted solar power plants.

Featuring 10 independent MPPT trackers with 2 string inputs per tracker (20 total strings), this unit maximizes solar energy harvesting across complex, multi-angled roof structures. It supports up to 150% DC input oversizing and 42A input current per MPPT (21A per string), ensuring full compatibility with modern high-power bifacial solar modules.

The GoodWe GW125K-GT 125KW Three-Phase ON-GRID Solar Inverter delivers peak efficiency up to 99.0%. Built with a wide MPPT voltage range (180V–1000V) and a low 200V start-up threshold, it maximizes daily generation hours from early morning until late afternoon.

Technical Specifications Table

High Yield Conversion, Decuple MPPT Flexibility & Utility Reliability

The GoodWe GW125K-GT 125KW Three-Phase ON-GRID Solar Inverter delivers flagship power performance. It coordinates high-voltage DC PV string arrays directly with commercial utility grid networks.

Equipped with 10 independent MPPT trackers supporting up to 20 total solar strings, it eliminates energy losses caused by partial shading or complex roof orientations. Its high input current capacity (42A per MPPT / 21A per string) accommodates high-wattage commercial solar modules seamlessly.

Engineered for continuous heavy-duty operation in extreme environments, the unit features an IP66 weather-sealed housing operating from -30°C to +60°C. Smart Fan Cooling maintains low operating temperatures with zero output derating at up to 45°C ambient temperatures.

Integrated Wi-Fi, LAN, RS485, 4G, and PLC communication protocols enable complete grid tracking. Commercial facility managers can perform real-time diagnostics and configure zero-export controls via the GoodWe SEMS platform.

• Ten MPPT Optimization: Maximizes power conversion across 20 solar strings with 42A per tracker input capacity.
• 110% AC Overloading: Delivers up to 137.5 kW AC output to maximize energy harvesting during peak irradiance hours.
• Industrial Grid Safety: Built-in Type II DC and AC surge protection devices, anti-islanding protection, and fuse-free architecture.
• Heavy-Duty Enclosure: Dust-tight and water-resistant IP66 housing engineered for long-term outdoor utility-scale reliability.

Frequently Asked Questions (FAQ)

Q1: What is the maximum efficiency of the GoodWe GW125K-GT 125KW Three-Phase ON-GRID Solar Inverter?
A: The GW125K-GT achieves an industry-leading maximum efficiency of 99.0% and a European efficiency rating of 98.5%.

Q2: How many MPPT trackers and strings does this 125kW GT model support?
A: It features 10 independent MPPT trackers supporting 2 string inputs per tracker (20 total solar strings).

Q3: What is the maximum DC input voltage and start-up voltage for this inverter?
A: The maximum DC input voltage is 1100V, with a start-up voltage threshold of 200V and an MPPT operating window of 180V–1000V.

Q4: Is this inverter rated for outdoor commercial installations?
A: Yes, it features an IP66-rated weather-sealed chassis built to withstand harsh outdoor environmental conditions.

Q5: What are the physical dimensions and total weight of this unit?
A: The inverter measures 930 x 650 x 300 mm and weighs 88.0 kg.