The GoodWe ESA G20 GW15K-ETA-G20 is a powerful 15kW three-phase hybrid solar inverter designed for advanced residential and commercial solar energy systems. Built for properties with high energy demands, this inverter intelligently manages solar generation, battery storage, household consumption, and grid interaction across all three phases.

Featuring four independent MPPT inputs, integrated WiFi, Ethernet, 4G, and RS485 communication options, the ESA G20 provides exceptional flexibility, smart monitoring, and efficient energy management for modern solar and battery installations.

Compatible with GoodWe BAT 5.1 and BAT 8.3 battery systems, this inverter is ideal for users seeking a scalable and future-ready hybrid energy solution with advanced backup and monitoring capabilities.

Key Features

• Brand: GoodWe
• Model: ESA G20 GW15K-ETA-G20
• Inverter Type: Three-Phase Hybrid Solar Inverter
• Rated AC Output Power: 15,000W
• Rated AC Output: 15,000VA
• Phase Type: Three-phase
• MPPT Inputs: 4 independent MPPT trackers
• Maximum Efficiency: 97.3%
• Built-in WiFi connectivity
• Ethernet, 4G and RS485 communication supported
• Includes 3 x CT Clamps
• Compatible with GoodWe BAT 5.1 and BAT 8.3 batteries
• ARC Fault Detection included
• IP66 weatherproof protection
• 10-Year Manufacturer Warranty

Performance & Smart Energy Management

• Advanced hybrid inverter technology for solar and battery integration
• Intelligent energy flow management between solar, battery, loads, and grid
• Smart export control and self-consumption optimisation
• Real-time system monitoring and diagnostics
• Supports high-efficiency residential and commercial energy systems
• Optimised for modern energy management applications

Flexible Solar Design

• Four MPPT trackers for maximum solar design flexibility
• Ideal for complex installations with multiple roof orientations
• Improved energy harvesting across varying solar string conditions
• Suitable for larger solar array configurations

Battery Compatibility

• Compatible with:
  • GoodWe BAT 5.1
  • GoodWe BAT 8.3
• Supports scalable battery storage solutions
• Ideal for hybrid solar + storage installations
• Enables greater energy independence and backup functionality

Communication & Monitoring

Integrated communication options include:

• WiFi
• Ethernet
• 4G
• RS485

These features allow remote monitoring, smart diagnostics, firmware updates, and integration with advanced energy management systems.

Safety & Protection

• IP66-rated enclosure for indoor and outdoor installation
• ARC Fault Detection for enhanced electrical safety
• Designed for reliable long-term operation in demanding environments

Technical Specifications

Electrical

• Rated AC Power: 15,000W
• Rated AC Output: 15,000VA
• Efficiency: 97.3%
• Phase Type: 3-Phase
• MPPT Inputs: 4

Mechanical

• Dimensions:
  • 800 x 340 x 270 mm
• Weight:
  • 34 kg

Protection

• Enclosure Rating:
  • IP66
• ARC Fault Detection:
  • Yes

Warranty

• Manufacturer Warranty:
  • 10 Years

Compliance

• Compliant with AS/NZS 4777.2:2020
• Designed for Australian residential and commercial solar installations

Summary

The GoodWe ESA G20 GW15K-ETA-G20 is a premium three-phase hybrid inverter offering high efficiency, flexible solar array design, advanced communications, and battery storage compatibility. With 4 MPPT inputs, integrated smart monitoring, and scalable energy storage support, it is an ideal solution for modern solar and battery systems requiring reliable and intelligent energy management.