--- title: "Growatt MAX 180KTL3-X MV Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Growatt MAX 180KTL3-X MV 180 kW grid-tie inverter. Specs: 10 MPPT, 1100 V max DC input, 93.0 kg, 5 yrs warranty." source: "https://comparepv.com/inverter/growatt-max-180ktl3-x-mv" updated: 2026-01-16 --- # Growatt MAX 180KTL3-X MV ## Identity - **Manufacturer:** Growatt - **Model:** MAX 180KTL3-X MV - **Series:** MAX 180KTL3-X - **Rated AC power:** 180 kW - **Type:** Grid-tie - **Phases:** Three-phase ## How it compares Compared against 95 inverters from 100 to 500 kW. Ranks are within that class. | Measure | This inverter | Class median | Standing | Rank in class | | --- | --- | --- | --- | --- | | European efficiency | - | 98.6% | | | | MPPT trackers | 10 | 10 | Typical | 18 | | Max DC input voltage | 1100 V | 1100 V | Typical | 47 | | Weight per kW | 0.5 | 0.6 | Typical | 38 | | Warranty | 5 yrs | 5 yrs | Typical | 2 | ## Specification ### AC output - **Rated AC power:** 180 kW - **Max apparent power:** 198.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 480 V - **Max AC current:** 216.5 A - **Grid frequency:** 50 Hz - **Power factor:** 0.8 leading … 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC input power:** 270.00 kW - **Max DC voltage:** 1100 V - **MPPT voltage range:** 180 to 1000 V - **Start-up voltage:** 195 V - **MPPT trackers:** 10 - **Max input current per MPPT:** 45.0 A ### Efficiency - **Max efficiency:** 98.8 % ### Physical - **Dimensions:** 640 × 1075 × 367 mm - **Weight:** 93.0 kg - **Enclosure:** IP66 - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Wi-Fi, Display - **Protocols:** USB, RS485, WiFi, GPRS, 4G, PLC - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Warranty:** 5 years - **Certifications:** CQC, EN 61000-3, EN 61000-6, EN/IEC 62109-1, EN/IEC 62109-2, IEC 60529 ### Pros - **10 MPPT trackers for complex installations** - The MAX 150-180KTL3-X LV/MV series offers 10 independent MPPT trackers (2 strings per tracker, 32 A MPPT current), which allows for the design of PV arrays with various orientations and tilt angles without significant energy losses. This is a significant advantage over inverters with 4-6 MPPT for large industrial rooftops with multiple arrays. - **Peak efficiency ~98.8%** - Models from the MAX KTL3-X family achieve a maximum efficiency of up to 98.8%, placing them in the upper range of the C&I (Commercial & Industrial) class. Combined with their high European efficiency, this translates to better annual energy savings compared to mid-range inverters with efficiencies of 97-97.5% under typical Polish solar conditions. - **Intelligent string monitoring and I-V scanning** - Built-in string monitoring and I-V curve scanning features enable rapid detection of anomalies - faulty modules, shading, degradation - without the need to physically inspect the site. For installations exceeding 150 kWp, this reduces diagnostic time and lowers O&M costs. - **IP66 enclosure and active cooling** - The IP66 level of protection and the intelligent cooling system (fan speed adjustment based on thermal load) allow for outdoor mounting without the need for additional technical enclosures, which simplifies the design and reduces the capital expenditure (CAPEX) for industrial installations. - **Local service available in Poland, 7 days a week** - Growatt has a certified service center in the Upper Silesian region and offers technical support from Monday to Friday, 8:00 AM to 8:00 PM (service@growatt.pl). For industrial installations that require quick response times, this is a significant advantage compared to manufacturers that only serve Poland through foreign centers or third-party partners. ### Cons - **Not Bankable** - Growatt is not listed on the BNEF Tier 1 Bankable list for inverters (as of Q1 2026). In non-recourse financing projects (such as leasing and project finance), banks and funds often require equipment from suppliers that meet this status. The lack of classification can extend due diligence or necessitate additional contractual safeguards. - **Standard 5-year warranty for power >22 kW** - For inverters above 22 kW, Growatt offers a standard 5-year warranty; extending this to 10 years requires a separate payment and registration. For comparison, SMA (CORE2 series) offers a 5-year warranty with the option to extend it free of charge to 10 years as part of a loyalty program for installers - which, for a 25-year PV project, could be a decisive factor. - **A shorter track record compared to the leaders in the segment.** - Growatt, founded in 2010, has been operating in the commercial and industrial (C&I) market for approximately 14 years, while SMA (founded in 1981), Fronius (founded in 1945), and ABB/FIMER have extensive track records in industrial facilities with comparable power capacities. For institutional investors analyzing technological risk, a shorter track record from a manufacturer is a factor, even with comparable technical specifications. ## About this series The **Growatt MAX 180KTL3-X** series consists of three-phase **on-grid (grid-tie)** inverters designed for large commercial and industrial installations, where stable operation in varying conditions and rapid diagnostics are crucial. The use of **multiple MPPT** simplifies the design of PV fields with different orientations and tilts and minimizes yield losses due to partial shading or uneven soiling. In practice, this translates to more consistent energy production throughout the day and better utilization of the available generator capacity. High **European efficiency** ensures that the inverter maintains excellent parameters not only under ideal conditions but also during typical seasonal operation, which has a real impact on the annual yield in Poland. The series offers comprehensive safety and service features, including string monitoring and I-V curve scanning for quick anomaly detection. Remote monitoring can be achieved using data loggers with WiFi or Ethernet communication, along with the Growatt platform and app. This solution is designed for investors seeking reliability, easy operation and maintenance (O&M), and compliance with certification requirements and manufacturer warranty conditions. ## Questions ### What is the efficiency of the Growatt MAX 180KTL3-X inverter, and does it matter under Polish conditions? The inverter achieves a maximum efficiency of approximately 98.8%, while its European efficiency - which accounts for variable irradiance conditions - is slightly lower but still exceptionally high. In the Polish climate, where a significant portion of annual operation occurs under partial load, high European efficiency translates directly into greater annual energy yield. This is particularly relevant in installations in the hundreds of kilowatts range, where even a fraction of a percent difference can represent thousands of kilowatt-hours per year. ### How many MPPT trackers does the Growatt MAX 180KTL3-X have, and why does that matter in large-scale installations? The MAX 180KTL3-X series is equipped with 10 independent MPPT trackers. This allows strings of panels with different orientations, tilt angles, or partial shading profiles to be connected as separate inputs. Each MPPT operates independently, so a underperforming string does not reduce the yield of the remaining ones. For large commercial or industrial installations on complex rooftops or ground-mounted arrays, this represents a critical design advantage. ### What is the standard warranty on the Growatt MAX 180KTL3-X, and can it be extended? For commercial inverters in this series, Growatt provides a standard warranty of 5 years. Extended warranty options - for example up to 10 or 15 years - are available through authorized partners, which is significant for project financing agreements with banks or for Power Purchase Agreements (PPAs). It is advisable to confirm the specific terms with the Polish distributor before purchase, as extension conditions may depend on the commissioning date of the installation. ### Does the Growatt MAX 180KTL3-X support remote monitoring, and what tools are available? Yes, the inverter is compatible with Growatt data loggers supporting WiFi or Ethernet connectivity. Data is transmitted to the Growatt cloud platform and mobile application, enabling real-time visibility into production output, active alarms, and operational history. The inverter also supports string-level monitoring and I-V curve scanning, allowing rapid detection of faulty modules or wiring issues without requiring an on-site service visit. ### Is the Growatt MAX 180KTL3-X suitable for use with bifacial modules or high-wattage panels? Yes, the MAX KTL3-X series is designed for compatibility with modern high-power modules, including bifacial ones. The DC input supports a string current of up to 16 A (MPPT current up to 32 A), which matches the specifications of most current modules rated above 500 Wp. The permissible DC/AC ratio reaches 1.5, enabling a moderate oversizing of the PV generator to increase production during morning and evening hours. ### Is Growatt a Tier 1 manufacturer, and does that affect financing or insurance for an installation using the MAX 180KTL3-X? Growatt does not appear on the Bloomberg NEF Tier 1 list in the commercial inverter category, although it is one of the largest inverter manufacturers in the world by sales volume. Some banks and insurance companies, particularly for larger projects exceeding 500 kW, may require equipment from Tier 1-listed suppliers or additional financial guarantees. It is recommended to verify the specific requirements of the financing institution before making a final inverter selection. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/max-180ktl3-x-mv-3ed35f13f387.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [SMA Solar Sunny Highpower PEAK3 SHP 180-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-180-21) | 180 kW | 98.9% | 1 | 99.0 kg | -9 MPPT, 6.0 kg heavier | | [SMA Solar Sunny Highpower Storage SHPS 180-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-storage-shps-180-21) | 180 kW | 98.9% | | 99.0 kg | 6.0 kg heavier | | [Growatt MAX 185KTL3-X HV](https://comparepv.com/inverter/growatt-max-185ktl3-x-hv) | 185 kW | 98.7% | | 95.0 kg | +5.0 kW, 2.0 kg heavier | | [Huawei SUN2000-185KTL-H1](https://comparepv.com/inverter/huawei-sun2000-185ktl-h1) | 175 kW | 98.7% | 9 | 84.0 kg | -5.0 kW, -1 MPPT, 9.0 kg lighter | | [Huawei SUN2000-188KTL-NHH0](https://comparepv.com/inverter/huawei-sun2000-188ktl-nhh0) | 187.5 kW | | 6 | 114.0 kg | +7.5 kW, -4 MPPT, 21.0 kg heavier | | [SMA Solar Sunny Highpower PEAK3 SHP 172-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-peak3-shp-172-21) | 172 kW | 98.9% | 1 | 99.0 kg | -8.0 kW, -9 MPPT, 6.0 kg heavier | | [SMA Solar Sunny Highpower Storage SHPS 172-21](https://comparepv.com/inverter/sma-solar-sunny-highpower-storage-shps-172-21) | 172 kW | 98.9% | | 99.0 kg | -8.0 kW, 6.0 kg heavier | | [Huawei SUN2000-215KTL-H0](https://comparepv.com/inverter/huawei-sun2000-215ktl-h0) | 200 kW | 98.8% | 9 | 86.0 kg | +20.0 kW, -1 MPPT, 7.0 kg lighter | --- Source: https://comparepv.com/inverter/growatt-max-180ktl3-x-mv