Product Overview
The GoodWe GW80K-SMT is a three-phase on-grid string inverter designed for commercial and industrial rooftop PV systems. With an 80kW nominal output, 6 MPPTs and support for high-current PV strings, it is well suited to commercial sites that need reliable energy yield, flexible array design and robust outdoor performance.
Key Features
- 80kW three-phase grid-tied string inverter for commercial and industrial PV applications.
- 6 MPPTs help improve design flexibility across different roof sections, string layouts and orientations.
- Supports up to 21A DC input current per string for compatibility with modern high-power PV modules.
- Up to 150% DC input oversizing supports stronger solar harvesting and improved design flexibility.
- Type II surge protection on both DC and AC sides helps improve system protection and reliability.
- IP66-rated enclosure and smart fan cooling support dependable outdoor operation in demanding conditions.
Applications
- Commercial rooftop solar PV systems.
- Industrial grid-tied solar installations.
- Projects using high-power solar modules with higher string current requirements.
- Sites requiring multiple MPPTs for more flexible rooftop array design.
Why Choose This Product?
The GW80K-SMT is a practical option for commercial PV rooftops that need strong output capacity, flexible string design and reliable outdoor performance. Its 6-MPPT layout, high-current string support and compact high-power design make it a strong fit for C&I rooftop projects.
Important Notes
- This is an on-grid inverter intended for commercial and industrial PV applications.
- Installation and commissioning should be completed by a qualified electrician or solar installer.
- Optional functions such as AFCI, PID recovery, reactive power compensation at night and power supply at night should be confirmed against the exact supplied variant before publishing.
- Final communication method, grid-code compliance and monitoring setup should be confirmed for the project before specification.
Technical Specifications
| Specification | Detail |
|---|---|
| Brand | GoodWe |
| Model | GW80K-SMT |
| Product Type | Three-phase on-grid string inverter |
| Nominal Output Power | 80kW |
| Application | Commercial and industrial grid-tied PV systems |
| Number of MPPTs | 6 |
| Strings per MPPT | 2 |
| Max. Input Voltage | 1100V |
| MPPT Operating Voltage Range | 180 - 1000V |
| Start-up Voltage | 200V |
| Nominal Input Voltage | 600V |
| Max. Input Current per MPPT | 42A |
| Max. Short Circuit Current per MPPT | 52.5A |
| Nominal Output Voltage | 220 / 380V, 230 / 400V, 3L/N/PE or 3L/PE |
| Output Voltage Range | 323 - 457V |
| Nominal Grid Frequency | 50 / 60Hz |
| Max. Output Current | 128A |
| Max. Efficiency | 98.6% |
| European Efficiency | 98.1% |
| DC Surge Protection | Type II (Type I + II optional) |
| AC Surge Protection | Type II |
| Ingress Protection Rating | IP66 |
| Cooling Method | Smart fan cooling |
| User Interface | LED, LCD (optional), WLAN + app |
| Communication | RS485, WiFi or LAN or 4G |
| Communication Protocol | Modbus-RTU |
| Dimensions | 700 × 550 × 260mm |
| Weight | 64kg |
| Topology | Non-isolated |
Important:
All solar products, power systems, water heating and gas products and their components must be installed by appropriately qualified personnel. All installations must adhere to local wiring regulations and standards. Sustainable Online will not be held liable for any product malfunctions as a result of incorrectly installed systems.

