1500VDC Transformerless Utility-Scale Inverters

Yaskawa Solectria Solar’s XGI 1500 utility-scale string inverters are designed for high reliability and built of the highest quality components that are tested and proven to last beyond their warranty. The SOLECTRIA XGI 1500 inverters provide advanced grid-support functionality and meet the latest IEEE 1547 and UL 1741 standards for safety. The virtual HMI allows users to connect wirelessly to the inverters using a smart phone or tablet, to accelerate commissioning. The XGI 1500 inverters are the most powerful 1500VDC string inverters in the PV market, and engineered for both distributed and centralized system architecture. Designed and engineered in Lawrence, MA, the XGI inverters are assembled and tested at Yaskawa America’s facilities in Buffalo Grove, IL. The all new XGI 1500 inverters are Made in the USA with global components, and are compliant with the Buy American Act.


  • Made in the USA with global components
  • Buy American Act (BAA) compliant
  • Four models: 125kW/125kVA, 125kW/150kVA, 150kW/166kVA, 166kW/166kVA
  • Flexible solution for distributed and centralized system architecture
  • Advanced grid-support functionality Rule 21/UL 1741SA (pending)
  • Robust, dependable and built to last
  • Lowest O&M and installation costs
  • Access all inverters on site via WiFi from one location
  • Remote diagnostics and firmware upgrades


  • Attachable string combiner for distributed architecture
  • Extended warranty
  • Plug & play MC4 or H4 connectors for the attachable string combiner
  • Web-based monitoring

Safety Listings & Certifications

  • FCC Part 15
  • UL 1741/IEEE 1547
  • UL 1741SA, CA Rule 21 (pending)
  • UL 1998

Product Datasheet & Specifications

Additional Documentation & Media