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Sungrow Refiles Hong Kong Listing After TÜV‑Verified Grid Test Strengthens Its Pitch

The company says the deal would fund R&D to expand production overseas.

Overview

  • The Shenzhen-listed inverter and storage maker re-submitted its Hong Kong secondary listing application with CICC as sponsor after its October 2025 filing expired on April 5, 2026.
  • Sungrow says proceeds will go mainly to research and development and to building factories outside China to support growth in overseas markets.
  • At GRES 2026 from April 22–25, the company rolled out PowerMatrix, the Matrix Inverter, and PowerTitan 3.0, which combines 600+ Ah battery cells with a liquid-cooled silicon-carbide power unit to reach up to 92% round-trip efficiency and speed on-site commissioning.
  • Sungrow disclosed a 138-hour, 14-scenario grid-forming extreme test independently witnessed by TÜV Rheinland, validating fault ride-through, fast inertial response, and a black start that restored voltage in 19 seconds; grid-forming tech lets inverters steady the grid and restart power after outages.
  • The company reported new project agreements for more than 11 GWh at the summit and pointed to its top 2024 share in PV inverters and over 93 GWh of cumulative storage shipments by end-2025 as it seeks broader global acceptance and financing.