Sungrow SG5.0RS-ADA/SG8.0RS/SG10RS are single-phase grid-tie inverters designed for home and larger commercial applications, where stable grid performance and high energy yield in real-world conditions are essential. Their key feature is three independent MPPTs, which simplify the design process for roof systems with different orientations and help minimize losses during partial shading or mixed-string module configurations. High European efficiency means superior performance not only in ideal sunlight conditions but also in the typical operating environments for inverters in Poland throughout the year.
Standard features include iSolarCloud monitoring and flexible communication - via WiFi or Ethernet (with WiNet-S module), which facilitates supervision, diagnostics, and quick servicing. The series is equipped with safety solutions (including surge protection and anti-tamper functions) and meets the formal requirements for grid-connected installations. This makes them an excellent choice for users seeking optimized performance without complicating the project.
Ranking
Specifications
Pros and cons
The series features 3 independent MPPT trackers - an above-standard configuration for single-phase inverters: the Fronius Primo 8.2-1 and SMA Sunny Boy 10.0 each offer only 2 MPPTs. The third tracker allows connection of up to 3 independent strings with different azimuths or tilt angles without additional devices, directly translating into higher energy yield on complex, multi-faceted rooftops.
Arc-fault circuit interrupters (AFCI) and Type II surge protective devices (SPD) on both the DC and AC sides are integrated at the factory, eliminating the need to purchase separate components (market value of a full set ~200-350 PLN). This reduces installation CAPEX and meets the increasingly stringent requirements of insurance companies for grid-tied systems installed on buildings in Poland.
Sungrow has officially announced an extended standard warranty of 10 years for the RS models, while Fronius offers 5 years as standard (10 years only upon online registration) and SMA offers 5 years with a paid extension. Over a 10-year TCO horizon for a prosumer, the warranty difference has a measurable impact on the potential cost of unit replacement.
The built-in PID compensation (Smart PID Zero) eliminates the need for an external anti-PID device (~400-700 PLN), and native compatibility with high-power bifacial modules - documented in the datasheet - provides flexibility in panel selection without the risk of voiding the inverter warranty.
Sungrow (BNEF Tier-1 Bankable Manufacturer, founded 1997) is one of the two largest photovoltaic inverter manufacturers in the world, holding a global market share exceeding 20%. Its bankability and production scale significantly reduce the risk of unavailable service or spare parts over a 10-year operating horizon - a critical factor for prosumer installations in Poland.
Access to iSolarCloud monitoring via Wi-Fi or Ethernet requires the purchase of the WiNet-S module, which is offered as a separate product (~€99, approx. 420-450 PLN per pvshop.eu and pvxchange.com). Compared to solutions with built-in connectivity (e.g., SolarEdge Home Hub), this increases the effective system cost for any investor who wishes to use full monitoring capabilities.
Alternatives
SolarEdge EV Charging Single Phase Inverter SE5000H (aka H5000SE / SE5000H)
5 kW
99.0%
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11.4 kg
+2.1 pp efficiency, 7.6 kg lighter
About the SG5.0RS-ADA/SG8.0RS/SG10RS series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.