--- title: "Sungrow SG200HX-US Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Sungrow SG200HX-US 200 kW grid-tie inverter. Specs: 12 MPPT, 1500 V max DC input, 122.0 kg." source: "https://comparepv.com/inverter/sungrow-sg200hx-us" updated: 2026-01-16 --- # Sungrow SG200HX-US ## Identity - **Manufacturer:** Sungrow - **Model:** SG200HX-US - **Series:** SG200HX-US - **Rated AC power:** 200 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 | 12 | 10 | Strong - top 14% | 3 | | Max DC input voltage | 1500 V | 1100 V | Strong - top 24% | 1 | | Weight per kW | 0.6 | 0.6 | Typical | 51 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 200 kW - **Max apparent power:** 200.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 600 V - **Max AC current:** 193.0 A - **Grid frequency:** 60 Hz - **Power factor:** > 0.99 / 0.8 leading – 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC voltage:** 1500 V - **MPPT voltage range:** 500 to 1500 V - **Start-up voltage:** 550 V - **MPPT trackers:** 12 - **Max input current per MPPT:** 40.0 A - **Max short-circuit current per MPPT:** 60.0 A ### Efficiency - **Max efficiency:** 98.8 % - **CEC efficiency:** 98.5 % ### Physical - **Dimensions:** 870 × 1165 × 361 mm - **Weight:** 122.0 kg - **Enclosure:** IP66 (NEMA 4X) - **Cooling:** forced-air - **Operating temperature:** -30 to 60 °C - **Max humidity:** 100 % - **Max altitude:** 4000 m ### Connectivity and protection - **Interfaces:** Bluetooth, Display - **Protocols:** RS485, SunSpec, Modbus, Bluetooth+APP - **Protection:** DC switch, Surge protection ### Warranty and certificates - **Certifications:** UL 1741, UL 62109-1, CSA C22.2 No.107.1-16, IEEE 1547-2018, IEEE 1547.1-2020, UL 1741 SA/SB, California Rule 21, FCC Part 15 Class A Limit ### Pros - **12 MPPT Inputs at 20 A per String** - Twelve independent MPPT trackers supporting 20 A per string allow high-power modules (500 Wp+) to be connected directly without series reconfiguration. With 24 strings per inverter, the system designer gains significant DC layout flexibility for multi-azimuth and partially shaded installations. - **Peak Efficiency of 98.8%** - The manufacturer-rated peak efficiency of 98.8% positions the SG200HX-US at the top of the 200 kW class. By comparison, the SMA Sunny Tripower CORE2 (110 kW) is rated at 98.5%, while the Huawei SUN2000-200KTL-H3 matches Sungrow's 98.8%, placing both on equal footing in this parameter. - **Weak-Grid Operation (SCR ≥ 1.15)** - The inverter maintains stable operation at a short-circuit ratio (SCR) as low as 1.15 and delivers reactive power response in under 30 ms. This is a critical feature for PV plants interconnected to industrial or rural grids with elevated impedance, where many commercial-class devices lose stability. - **Smart IV Curve Diagnosis + 24/7 Isolation Monitoring** - The built-in Smart O&M suite includes real-time I-V curve diagnostics - detecting degradation, soiling, and wiring faults - alongside continuous, round-the-clock isolation monitoring on both the DC and AC sides. This shortens service response times and reduces predictive maintenance costs at utility-scale PV plants. - **1500 V DC Architecture** - A DC bus voltage of up to 1500 V enables longer strings and fewer parallel branches, directly reducing the cost of DC cabling, disconnects, and string combiner boxes compared to 1000 V systems - a key economic advantage for plants rated 200 kW and above. ### Cons - **5-Year Warranty - Below Market Standard** - The standard manufacturer warranty is 5 years, while direct utility-scale competitors - the Huawei SUN2000-200KTL-H3 and SMA SUNNY CENTRAL CP-US series - include 10 years at the purchase price. For project owners with project-finance debt, the shorter warranty period translates into higher insurance premiums or the need to purchase an extended service agreement. ## About this series The Sungrow SG200HX-US series are grid-tie string inverters designed for large commercial and industrial (C&I) installations and PV farms, where stable operation and rapid diagnostics are essential. A key feature is the **multi-channel MPPT architecture**-multiple independent trackers allow better utilization of energy gains across different string orientations and partial shading, simplifying DC section design. The manufacturer emphasizes **operation in weak grids**, helping maintain generation continuity in challenging grid-connection conditions. Another significant advantage is **European efficiency**-in practice, this translates to lower losses under typical operating conditions, leading to better annual energy production. Smart O&M features, including I-V curve diagnostics and continuous AC/DC insulation monitoring, facilitate maintenance and operations. Monitoring and communication are based on industrial solutions (e.g., RS485) and app access (Bluetooth). This is not a hybrid inverter- it is not designed for direct integration with energy storage systems. Standard warranty is 5 years. ## Questions ### How many MPPT trackers does the Sungrow SG200HX-US inverter have, and why does this matter for large-scale PV plants? The Sungrow SG200HX-US is equipped with 12 independent MPPT trackers, supporting up to 24 string inputs. This allows DC sections with different orientations or varying shading conditions to be connected without mutual interference on energy yield. In practice, it simplifies PV plant design and reduces mismatch losses between strings, resulting in higher annual energy output. ### What is the peak efficiency of the Sungrow SG200HX-US, and what does CEC efficiency mean? The SG200HX-US achieves a maximum efficiency of approximately 98.9%, while its CEC efficiency - measured according to the California Energy Commission methodology, which more closely reflects real operating conditions - reaches 98.5%. CEC efficiency accounts for operation across varying power levels throughout the day, making it a more accurate representation of actual conversion losses than the peak figure alone. Higher values for both parameters directly translate into greater annual energy production from the installation. ### Is the Sungrow SG200HX-US suitable for installations in areas with a weak grid? Yes, the SG200HX-US series is designed for operation under demanding grid conditions. The manufacturer has integrated weak grid support functions that help maintain continuous generation in the presence of unstable AC-side voltage or frequency. This is a significant advantage for large commercial and utility-scale PV plants located in areas with limited grid infrastructure, where standard inverters may struggle to sustain production. ### What does servicing and diagnostics look like for the Sungrow SG200HX-US - can faults be detected remotely? The SG200HX-US includes smart O&M features such as I-V curve diagnostics, which allow the condition of individual strings to be assessed without physical site access, as well as continuous insulation monitoring on both the AC and DC sides. Communication is provided via RS485 (an industry-standard interface compatible with SCADA systems and data loggers) and Bluetooth for connection to the Sungrow mobile app. Remote diagnostics significantly reduce service response times and lower overall operations and maintenance costs. ### What warranty does the Sungrow SG200HX-US carry, and is Sungrow a reliable manufacturer? The standard warranty for the SG200HX-US series is 5 years. Sungrow is a Chinese manufacturer classified as Tier 1 in industry rankings, reflecting confirmed financial stability and a well-established market position. The company is one of the world's largest inverter suppliers, which ensures long-term availability of spare parts and technical support throughout the operational life of the installation. ### Can the Sungrow SG200HX-US be paired with an energy storage system (battery)? No, the SG200HX-US is a grid-tie string inverter designed exclusively for operation with the utility grid. It does not natively support energy storage systems and has no off-grid mode. If a project requires battery integration, a separate hybrid inverter or a dedicated battery inverter - from Sungrow's portfolio or another manufacturer - must be used. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20250507-sg200hx-us-datasheet-v7-en-df8b62e94278.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Huawei SUN2000-215KTL-H0](https://comparepv.com/inverter/huawei-sun2000-215ktl-h0) | 200 kW | 98.8% | 9 | 86.0 kg | -3 MPPT, 36.0 kg lighter | | [Huawei SUN2000-215KTL-H3](https://comparepv.com/inverter/huawei-sun2000-215ktl-h3) | 200 kW | 98.8% | 3 | 86.0 kg | -9 MPPT, 36.0 kg lighter | | [Ginlong Solis S6-GC3P200K07-HV-ND](https://comparepv.com/inverter/ginlong-solis-s6-gc3p200k07-hv-nd) | 200 kW | 98.3% | 7 | 105.0 kg | -5 MPPT, 17.0 kg lighter | | [Huawei SUN2000-188KTL-NHH0](https://comparepv.com/inverter/huawei-sun2000-188ktl-nhh0) | 187.5 kW | | 6 | 114.0 kg | -12.5 kW, -6 MPPT, 8.0 kg lighter | | [Growatt MAX 185KTL3-X HV](https://comparepv.com/inverter/growatt-max-185ktl3-x-hv) | 185 kW | 98.7% | | 95.0 kg | -15.0 kW, 27.0 kg lighter | | [Growatt MAX 216KTL3-X HV](https://comparepv.com/inverter/growatt-max-216ktl3-x-hv) | 216 kW | 98.7% | | 95.0 kg | +16.0 kW, 27.0 kg lighter | | [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 | -20.0 kW, -11 MPPT, 23.0 kg lighter | | [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 | -20.0 kW, 23.0 kg lighter | --- Source: https://comparepv.com/inverter/sungrow-sg200hx-us