--- title: "Sungrow SG36CX-US Grid-tie Inverter: Specs & Datasheet | ComparePV" description: "Sungrow SG36CX-US 36 kW grid-tie inverter. Specs: 1000 V max DC input, 54.0 kg." source: "https://comparepv.com/inverter/sungrow-sg36cx-us" updated: 2026-01-16 --- # Sungrow SG36CX-US ## Identity - **Manufacturer:** Sungrow - **Model:** SG36CX-US - **Series:** SG36/60CX - **Rated AC power:** 36 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 | 1000 V | 1100 V | Typical | 125 | | Weight per kW | 1.5 | 1.1 | Weak - bottom 23% | 173 | | Warranty | - | 5 yrs | | | ## Specification ### AC output - **Rated AC power:** 36 kW - **Max apparent power:** 36.00 kVA - **Phases:** Three-phase - **Nominal AC voltage:** 480 V - **Max AC current:** 43.3 A - **Grid frequency:** 60 Hz - **Power factor:** 0.8 leading – 0.8 lagging - **Harmonic distortion (THD):** 3.0 % ### PV input - **Max DC voltage:** 1000 V - **MPPT voltage range:** 200 to 1000 V - **Start-up voltage:** 250 V - **Max input current per MPPT:** 26.0 A - **Max short-circuit current per MPPT:** 45.0 A ### Efficiency - **Max efficiency:** 98.6 % - **CEC efficiency:** 98.0 % ### Physical - **Dimensions:** 595 × 702 × 310 mm - **Weight:** 54.0 kg - **Enclosure:** NEMA 4X (IP66) - **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), WiFi (optional), Ethernet (optional) - **Protection:** AFCI, DC switch, Surge protection ### Warranty and certificates - **Certifications:** UL1741, UL1741 SA/SB, CA Rule 21, IEEE 1547, IEEE 1547.1, CSA C22.2 No.107.1-01, UL 1699B, FCC Part 15, UL1998, Rule 14, NEC 2023, SunSpec Rapid Shutdown ### Pros - **#1 Bankability per BloombergNEF 2025** - Sungrow ranked first in the BloombergNEF bankability index for the sixth consecutive year (2025 report, 100% respondent recognition). For commercial projects financed through debt or leasing, this is a decisive advantage - banks and investment funds accept the brand without requiring additional brand-level due diligence. - **Peak Efficiency 98.8-98.9%** - The SG36CX variant achieves a peak efficiency of 98.9%, while the SG60CX reaches 98.8% (per datasheets V13/V14). In the 36-60 kW commercial inverter class, these figures are premium-grade - comparable to the Huawei SUN2000-60KTL and above the typical 97.5-98.5% range of lower-cost Tier-2 suppliers - directly improving annual energy yield under Polish irradiance conditions. - **4 or 6 MPPTs with Isc\_max 45 A/Tracker** - Each independent MPPT tracker supports 2 strings in parallel at a short-circuit current of 45 A, ensuring full compatibility with high-power bifacial modules (≥600 Wp) without risk of exceeding input limits. Six MPPTs enable multi-roof-plane installations to be served without energy losses caused by inter-plane shading. - **Built-in PID Recovery** - Active PID compensation eliminates the need for a separate PID recovery unit (typical cost ~800-1,500 PLN for a commercial installation). This is particularly relevant for full-black modules and negative-grounding systems, where PID risk is elevated under Poland's high-humidity conditions. - **IP66 Rating, Operating Range -30°C to +60°C** - The IP66 (NEMA 4X) ingress protection rating and wide ambient temperature range allow wall-mount installation in unheated industrial buildings, open canopies, and outdoor environments without an additional protective enclosure - simplifying system design and reducing BoS costs. ### Cons - **~17% Derating at 50°C Ambient Temperature** - The SG60CX throttles output from 60 kVA (at 45°C) to 50 kVA (at 50°C ambient) - a reduction of approximately 17% of rated power. For installations on dark metal roofs, where microenvironment temperatures can exceed 50°C in summer, PVsyst simulations based on nameplate capacity will overestimate projected yields; manual correction of the derating curve is required. ## About this series The Sungrow SG36/60CX series comprises three-phase grid-tie commercial-grade inverters, designed for rooftop installations on warehouse and commercial building rooftops, as well as smaller PV farms. What distinguishes them is the **multi-string MPPT tracking** - the variants in this series offer 4 or 6 independent MPPT channels, facilitating the design of installations with varied roof pitches, different tilt angles, and partial shading. This ensures each string operates closer to its maximum potential, rather than being limited by the weakest point. In practice, this is aided by the **high European efficiency** - it signifies better energy yield under typical operating conditions encountered in Poland, not just in ideal laboratory tests. The series supports modern services: **remote startup and updates**, diagnostics (including IV curve scanning), and **monitoring via an app**; communication can operate via RS485/Modbus, and depending on configuration, also via WiFi or Ethernet. These are not hybrid inverters - they are not designed for direct integration with energy storage systems, but rather for maximizing energy production and stable grid operation. For safety, II-type overvoltage protection is implemented, and the standard warranty period is 10 years. ## Questions ### How many independent MPPT trackers does the Sungrow SG36CX have, and how many does the SG60CX have? The SG36CX features 4 independent MPPT inputs, while the SG60CX offers 6 independent MPPT inputs. Each tracker independently follows the maximum power point of its assigned string, which means that differing roof orientations, varying tilt angles, or partial shading on one string do not degrade the output of the remaining strings. This is particularly valuable in commercial rooftop installations on industrial buildings, where roof geometry is often irregular and non-uniform. ### What is the peak efficiency of the Sungrow SG36/60CX inverters, and what does it mean for energy bills? The SG36CX achieves a maximum efficiency of 98.9%, while the SG60CX reaches 98.8%. Equally important is the European efficiency rating, which reflects real-world operating conditions in temperate climates. A high value for both metrics translates directly into lower conversion losses throughout the year, meaning more kilowatt-hours delivered to the grid for the same installed PV array capacity - and a measurable reduction in electricity costs over the system's lifetime. ### Can the Sungrow SG36/60CX series inverters be connected to an energy storage system? No. The SG36/60CX series are grid-tie inverters, not hybrid inverters. They do not include a built-in battery interface and are designed solely to maximize energy production and export power to the grid. If you are planning a commercial installation that requires energy storage, you should consider Sungrow's dedicated hybrid inverter SH series or a separate Energy Management System (EMS) paired with an appropriate battery system. ### What warranty coverage applies to the Sungrow SG36/60CX inverters? The standard manufacturer's warranty for the SG36/60CX series is 10 years. Sungrow holds Tier 1 status, which reflects the company's financial stability and its demonstrated ability to honor warranty claims throughout the full warranty period. When purchasing, it is worth verifying whether the local distributor offers an extended warranty or an on-site service agreement, as this can significantly reduce response times in the event of a fault. ### Does the Sungrow SG60CX support remote commissioning and monitoring via a mobile app? Yes. The SG36/60CX series supports remote commissioning, over-the-air firmware updates, and advanced diagnostics - including IV curve scanning, which enables detection of underperforming or faulty strings without requiring a technician on site. Communication is carried out via RS485/Modbus and, depending on the configuration, also via Wi-Fi or Ethernet. Generation data is accessible through the Sungrow iSolarCloud mobile application. ### What type of installations is the Sungrow SG36/60CX series best suited for? The series is purpose-built for commercial-scale installations in the 36-60 kW range, including rooftop systems on manufacturing facilities, warehouses, and service buildings, as well as smaller ground-mounted PV farms. The high number of MPPT inputs, a wide MPPT voltage range of 200-1000 V, an IP65 protection rating, and compatibility with bifacial modules make it equally well-suited to flat roofs and multi-pitch roofs with varying azimuth orientations. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/inverters/ds-20240619-sg36-60cx-us-datasheet-v14-en-68e59558bacd.pdf) ## Alternatives | Inverter | Rated AC | Euro efficiency | MPPT | Weight | Difference | | --- | --- | --- | --- | --- | --- | | [Growatt MID 36KTL3-X](https://comparepv.com/inverter/growatt-mid-36ktl3-x) | 36 kW | 98.5% | | 30.5 kg | 23.5 kg lighter | | [GoodWe GW36K-MT](https://comparepv.com/inverter/goodwe-gw36k-mt) | 36 kW | 98.5% | | 40.0 kg | 14.0 kg lighter | | [Huawei SUN2000-36KTL](https://comparepv.com/inverter/huawei-sun2000-36ktl) | 36 kW | 98.4% | 4 | 62.0 kg | 8.0 kg heavier | | [Huawei SUN2000-36KTL-M3](https://comparepv.com/inverter/huawei-sun2000-36ktl-m3) | 36 kW | 98.4% | 4 | 43.0 kg | 11.0 kg lighter | | [Sungrow SG36CX-P2](https://comparepv.com/inverter/sungrow-sg36cx-p2) | 36 kW | 98.3% | 4 | 40.0 kg | 14.0 kg lighter | | [Ginlong Solis S5-GC36K](https://comparepv.com/inverter/ginlong-solis-s5-gc36k) | 36 kW | 98.3% | | 42.1 kg | 11.9 kg lighter | | [SOFAR 36KTLX-G3](https://comparepv.com/inverter/sofar-solar-sofar-36ktlx-g3) | 36 kW | 98.2% | | 36.0 kg | 18.0 kg lighter | | [Ginlong Solis S6-GC3P36K03-NV-ND](https://comparepv.com/inverter/ginlong-solis-s6-gc3p36k03-nv-nd) | 36 kW | 98.0% | 3 | 26.5 kg | 27.5 kg lighter | --- Source: https://comparepv.com/inverter/sungrow-sg36cx-us