--- title: "GoodWe GW100K-GT Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "GoodWe GW100K-GT 100 kW grid-tie inverter. Specs: 1100 V max DC input, 85.0 kg." source: "https://comparepv.com/inverter/goodwe-gw100k-gt" updated: 2026-01-16 --- # GoodWe GW100K-GT ## Identity - **Manufacturer:** GoodWe - **Model:** GW100K-GT - **Series:** GT - **Rated AC power:** 100 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 243 inverters from 30 to 100 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | - | 98.2% | | | | MPPT trackers | - | 4 | | | | Max DC input voltage | 1100 V | 1100 V | Typical | 3 | | Weight per kW | 0.8 | 1.1 | Strong - top 24% | 55 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 100 kW - **Max AC power:** 110.00 kW - **Max apparent power:** 110.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 380 V - **Max AC current:** 167.1 A - **Grid frequency:** 50 Hz - **Power factor:** ~1 (0.8超前…0.8滞后可调) - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC voltage:** 1100 V - **MPPT voltage range:** 180 to 1000 V - **Start-up voltage:** 200 V - **Max short-circuit current per MPPT:** 52.5 A ### Efficiency - **Max efficiency:** 98.8 % ### Physical - **Dimensions:** 650 × 930 × 300 mm - **Weight:** 85.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** RS485, 无线（WLAN+APP）, 4G（可选）, PLC通讯 - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** NB/T 32004 (并网标准/安全标准/EMC标准) ### Pros - **European efficiency of 98.5% - among the top performers in the segment** - GW100K-GT and GW125K-GT achieve a maximum efficiency of 99.0% and 98.5% respectively, which places them above the median efficiency of commercially available three-phase inverters (typically 98.0-98.3% EU efficiency). For a 500 kWp installation, the difference of 0.2% in European efficiency translates to approximately 700-900 kWh/year more energy injected into the grid under Polish conditions. - **Support for up to 10 MPPT trackers with a 21 A current per string** - The ability to handle 21 A per string allows for the connection of high-power modules (700+ Wp, 20+ A Isc) without the need for additional combinators. With 10 independent MPPTs per 125-150 kW model, it is possible to efficiently manage extensive PV arrays with various orientations, minimizing cross-string losses. This represents a significant advantage over models offering 4-6 MPPTs in this power range. - **150% DC overvoltage and 110% AC overload** - The allowable overload on the DC side up to 150% of the rated power, and on the AC side up to 110% (continuous), gives designers significant freedom in selecting PV panels and reducing the number of inverters per installation. This translates to a real reduction in CAPEX on combiner boxes and cabling compared to systems requiring a ≤130% DC factor. - **IP66 rating, with optional C5 protection for harsh environments** - The enclosure meets IP66 standards, with an optional C5 anti-corrosion coating (ISO 12944 standard), allowing installation in ports, chemical plants, and coastal areas without the need for an additional external enclosure. Built-in Type II surge protection on both DC and AC sides is included - no additional SPD costs are required. - **BNEF Tier 1 Q1 2026 - bankability confirmed** - GoodWe maintains its Tier 1 status with BloombergNEF consistently; the latest confirmation for Q1 2026 signifies acceptance by major financial institutions funding PV projects in European markets. For commercial projects financed through loans or leasing, this is a formal requirement that many less expensive brands do not meet. ### Cons - **Exclusively within the 100-150 kW range - no smaller variants available.** - The GT series includes models with a power output of 100 kW or higher, which makes it unsuitable for commercial installations below approximately 350-400 kWp (where an optimal selection would require units in the 50-80 kW range). For mid-sized projects, it is necessary to consider other GoodWe series (e.g., MT 50-80 kW) or competing brands (Sungrow SG110CX, Huawei SUN2000-100K). - **No option for on-grid energy storage.** - The GT series is strictly grid-tied and does not allow for the addition of batteries - retrofitting for a hybrid system requires replacing the inverter. Given the growing interest in BESS (Battery Energy Storage Systems) in commercial and industrial (C&I) applications and the evolving regulations regarding RB (e.g., the requirement for energy storage in new renewable energy contracts), this represents a limitation on the flexibility of the project over a 5-10-year horizon. ## About this series The GoodWe GT series comprises three-phase string grid-tie inverters designed for commercial and industrial applications, where stable operation, high yield, and rapid diagnostics are essential. These inverters feature **multi-point MPPT tracking**, which facilitates the design of complex PV systems by efficiently managing different roof orientations, varied strings, and minimizing losses due to partial shading. An additional advantage is the **optional PID recovery function**, which supports maintaining module performance in demanding operating conditions. Thanks to its **high European efficiency**, the inverter effectively minimizes conversion losses under typical operating conditions in Poland, translating to increased annual energy fed into the grid. A key asset is **DC and AC safety**, supported by features like overvoltage protection and a robust construction suitable for industrial environments. Remote monitoring and communication functions (e.g., via network and portal/app) are available for system oversight, simplifying maintenance and production control. The GT series is not hybrid - it is the ideal choice for companies focused on maximizing production in on-grid systems. ## Questions ### How many MPPT trackers does the GoodWe GT inverter have, and why is this important for a large-scale installation? The GoodWe GT series, available in 100-125 kW versions, offers 8 or 10 independent MPPT trackers, while the 150 kW model has 10. This allows for the connection of strings with different orientations or roof angles, and minimizes losses due to partial shading. In practice, this means greater flexibility in designing a PV array on complex industrial sites, and a realistically higher annual energy yield. ### What warranty does the manufacturer offer on GoodWe GT series inverters? GoodWe standardly provides a 5-year warranty on GT series inverters. By registering the device on the SEMS platform and using the services of an authorized installer, customers can obtain free or paid extended protection. For commercial installations, it is advisable to inquire with the local distributor about the current terms of extended warranty, which may include service and spare parts for a longer period. ### Is the GoodWe GT inverter suitable for use in harsh weather conditions or in a hostile industrial environment? Yes. The GT series has an IP66 degree of protection, which means it is completely dust-tight and resistant to strong water jets. It also meets the C5 corrosion resistance standard, designed for environments with high air salinity or the presence of industrial fumes. Both the DC and AC versions are equipped with Type II surge protection. This solution is suitable for factories, industrial plants, and coastal facilities. ### What is the PID recovery function in the GoodWe GT series, and is it worth ordering? PID (Potential Induced Degradation) is the degradation of photovoltaic (PV) modules caused by leakage currents - particularly a concern in large high-voltage string configurations and in humid environments. The optional PID recovery feature in GT series inverters can restore the performance of modules affected by this phenomenon, typically operating at night when the inverter is not generating power. For commercial installations in Poland, where operating costs need to be kept low for decades, it is worth considering. ### Do GoodWe GT inverters support remote monitoring of energy production? Yes. The GT series is equipped with communication interfaces that enable integration with GoodWe's Smart Energy Management System (SEMS) platform. Through a web portal or mobile app, you can track energy production in real-time, view historical data, and identify faults without needing to visit the site. This is a significant advantage for those managing multiple commercial installations. ### Is the GoodWe GT a hybrid inverter - can I connect a battery storage system to it? No. The GoodWe GT series is exclusively a grid-tie inverter, designed to operate without a battery storage system. The generated energy is directly fed into the electrical grid. If you are planning an installation with a battery, you should consider a different GoodWe series, such as ET or SBP. The GT series is the ideal choice for companies focused on maximizing energy production in an on-grid system. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/211230493568a46ee5a08b5-084b433de8f4.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000-100KTL-M2](https://comparepv.com/inverter/huawei-sun2000-100ktl-m2) | 100 kW | 98.6% | 10 | 93.0 kg | 8.0 kg heavier | | [Huawei SUN2000-100KTL-M1 (@480 V)](https://comparepv.com/inverter/huawei-sun2000-100ktl-m1-480-v) | 100 kW | 98.6% | 10 | 90.0 kg | 5.0 kg heavier | | [Sungrow SG110CX](https://comparepv.com/inverter/sungrow-sg110cx) | 100 kW | 98.5% | 9 | 89.0 kg | 4.0 kg heavier | | [SMA Solar Sunny Highpower PEAK3 SHP 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-100-21) | 100 kW | 98.5% | 1 | 99.0 kg | 14.0 kg heavier | | [SMA Solar Sunny Highpower Storage SHPS 100-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-storage-shps-100-21) | 100 kW | 98.5% | | 99.0 kg | 14.0 kg heavier | | [Solis-100K-5G](https://comparepv.com/inverter/ginlong-solis-solis-100k-5g) | 100 kW | 98.5% | 9 | 82.0 kg | 3.0 kg lighter | | [Solis-100K-HV-5G](https://comparepv.com/inverter/ginlong-solis-solis-100k-hv-5g) | 100 kW | 98.5% | 9 | 82.0 kg | 3.0 kg lighter | | [Growatt MAX 100KTL3-X LV](https://comparepv.com/inverter/growatt-max-100ktl3-x-lv) | 100 kW | 98.4% | 10 | 84.0 kg | 1.0 kg lighter | --- Source: https://comparepv.com/inverter/goodwe-gw100k-gt