Get yours today!
In the last 7 days
Delivery timeframe shown above at checkout
Unlimited lifetime support, always available.

The Solis S5-GC90K-US is an advanced 90kW three-phase solar inverter designed to optimize energy production in commercial and industrial settings. Featuring an impressive efficiency rate of up to 98.8%, this inverter enhances solar energy capture and conversion, making it a reliable choice for substantial solar power installations. Its intelligent design integrates key safety features, which bolster durability and operational safety, ensuring consistent energy output under various conditions.
With a maximum efficiency of 98.8%, the Solis S5-GC90K-US delivers exceptional power conversion, optimizing the energy yield from your solar panels while incorporating advanced cooling strategies to enhance performance.
The inverter includes advanced safety features like AFCI protection and an integrated PID recovery system, which proactively mitigate potential risks, ensuring safe and long-lasting operations.
Equipped with smart string monitoring capabilities and a sophisticated I-V curve scanning feature, the Solis inverter allows for real-time performance analysis, enhancing maintenance efficiency and minimizing downtime.
Constructed with high-quality components and rated Type 4X for ingress protection, this inverter is engineered to withstand harsh environmental conditions with effective corrosion resistance.
Offering multiple communication methods including RS485, Ethernet, and optional Wi-Fi or Cellular, the Solis S5-GC90K-US ensures seamless integration into existing energy management systems for comprehensive monitoring and control.
This inverter efficiently converts direct current (DC) from solar panels into alternating current (AC), suitable for industrial and commercial grid requirements. Its internal components are optimized for peak performance and operational reliability.
The Multi-Point Power Tracking (MPPT) feature maximizes the energy harvested from solar panels by adjusting the electrical operating point, thereby increasing the system€™s overall efficiency.
An easy-to-read LCD display provides vital statistics and operational data, simplifying system status checks and configuration tasks for users of varying technical expertise.
Incorporating intelligent redundant fan-cooling, the inverter maintains optimal operating temperatures, preventing overheating and extending the lifespan of the components.
| Max. Input Voltage | 1000 V |
| Rated Voltage | 600 V |
| Start-up Voltage | 195 V |
| MPPT Voltage Range | 180-1000 V |
| Max. Input Current | 10*32 A |
| Max. Short Circuit Current | 10*50 A |
| Rated Output Power | 90 kW |
| Rated Grid Voltage | 480 V |
| Power Factor | >0.99 (0.8 leading - 0.8 lagging) |
| Max. Efficiency | 98.8% |
| Dimensions (W*H*D) | 41.9*22.3*13.6 in |
| Weight | 187 lbs |
| Cooling Concept | Intelligent redundant fan-cooling |
From hurricanes to blackouts, reliable solar power ensures you're able to keep your home & family safe no matter what comes your way.
Making one-click solar solutions simple since 2018. Whether you’re powering a cabin, charging devices, or backing up your home.
Say goodbye to reliance on the energy companies. Enjoy the same freedom that 50,000+ customers have with their own solar power system.
$150 Value - Free Offer (Limited Time Only!) No Strings Attached. Totally Free. Takes Less than 2 Minutes.