The GoodWe ESA G20 GW9.999K-EHA-G20 is a premium single-phase hybrid solar inverter designed for residential properties requiring maximum solar capacity while remaining within single-phase network connection limits. As the flagship model of the GoodWe ESA single-phase range, it delivers advanced energy management, battery compatibility, and flexible solar system design for modern homes.

Featuring four independent MPPT inputs, this inverter allows highly flexible solar array configurations, making it ideal for roofs with multiple orientations or varying shading conditions. Integrated WiFi connectivity and the included CT clamp enable intelligent export control, energy monitoring, and smart self-consumption optimisation.

The inverter is fully compatible with GoodWe ESA G20 and G21 battery modules, providing a future-ready solution for homeowners looking to integrate battery storage and backup functionality.

Key Features

• Brand: GoodWe
• Model: ESA G20 GW9.999K-EHA-G20
• Inverter Type: Hybrid Solar Inverter
• Rated Output Power: 9.99kW
• Phase Type: Single-phase
• MPPT Inputs: 4 independent MPPT trackers
• Built-in WiFi monitoring
• Includes 1 x CT Clamp
• Compatible with GoodWe ESA G20 / G21 battery modules
• Smart export and consumption monitoring
• Hybrid-ready for solar + battery systems

Performance & Smart Energy Management

• Advanced hybrid inverter technology for solar and battery integration
• Smart energy flow management between solar, battery, home loads, and grid
• Intelligent export limitation and self-consumption optimisation
• Real-time monitoring via integrated WiFi connection
• Supports efficient household energy management and reduced grid reliance

Flexible Solar Design

• Four MPPT trackers for enhanced solar array flexibility
• Ideal for multiple roof orientations and complex installations
• Maximises solar harvesting efficiency across different string layouts
• Suitable for larger residential solar systems

Battery Compatibility

• Compatible with GoodWe ESA G20 and G21 battery modules
• Future-ready for energy storage expansion
• Supports residential backup and energy resilience solutions

Compliance & Standards

• Compliant with AS/NZS 4777.2:2020
• Designed for Australian residential solar installations
• Suitable for modern smart energy systems and grid requirements

Ideal Applications

• Large single-phase residential homes
• Homes with high daytime energy usage
• Solar + battery storage systems
• Installations requiring flexible panel layout design
• Customers seeking maximum single-phase inverter capacity

Summary

The GoodWe ESA G20 GW9.999K-EHA-G20 is a high-capacity single-phase hybrid inverter engineered for advanced residential solar installations. With 4 MPPT inputs, integrated smart monitoring, battery compatibility, and strong energy management features, it offers a reliable and future-proof solution for homeowners seeking efficient solar and storage performance.