On June 3, the 19th International Photovoltaic Power Generation and Smart Energy Conference & Exhibition (SNEC 2026) grandly opened at the Shanghai New International Expo Centre. On the very first day, WG Energy's booth became the center of attention — with the global launch of its intelligent computing center solid-state transformer (SST), the "Xihe 2.0," and the signing of strategic cooperation agreements with multiple partners. Over the next three years, the company will build an SST production base for AIDC scenarios in Changzhou, which, together with the existing Kunshan base, will form a dual-core driving force. With a full-industry-chain layout, WG Energy is racing ahead as a global leader in the field of SST.
01 A Decade in the Making: 'Xihe 2.0' Redefines Power Standards for AI Computing Centers
At the launch, WG Energy unveiled the "Xihe 2.0" SST for AI computing centers. Designed for large-scale AI training and HPC clusters, it achieves a direct 10 kV AC to 800 V DC conversion, 98.6% system efficiency, 172.5 W/dm³ power density, and a 65% smaller footprint than traditional UPS solutions.
"Xihe 2.0" features all‑SiC devices and a high‑frequency isolation topology, delivering three core capabilities:
Ultimate Efficiency: The end-to-end efficiency reaches 98.6%, an improvement of over 5 percentage points compared to traditional solutions. The current imbalance of a single module is less than 3%. Full-operating-condition soft-switching technology ensures low-loss operation.
Long‑Term Reliability & Full‑Scope Protection: Adopts automotive-grade component selection and passes 1,000 hours of extreme operating condition tests. The hybrid bypass switch enables microsecond-level seamless switching; even with a single module failure, the entire system can still deliver 100% full-load output. Dual-system hot standby and dual-network redundancy ensure zero interruption in power supply for computing workloads.
Strong Grid‑Chip Integration: Supports high/low voltage ride-through (HVRT/LVRT) with millisecond-level dynamic response, completing a full-load step within 5ms, perfectly adapting to severe GPU load fluctuations from 0% to 100%. Short-circuit constant current support and pulse modulation technology fully meet the stringent requirements of AI computing centers for power quality and grid integration.
The launch of "Xihe 2.0" marks WG Energy's strategic entry from edge scenarios (charging, energy storage, distribution) into the core AIDC power supply market, making it one of the few companies worldwide capable of offering MV direct‑connected SST solutions for AI computing centers.
02 Strategic Signings: Powering the Full Industry Chain
On the afternoon of the first day, WG Energy signed strategic cooperation agreements with eight organizations, covering standard certification, energy investment, local government, grid cooperation, and overseas expansion.
WG Energy will collaborate with TÜV Rheinland on international certification, standard setting, and global market access for solid-state transformers, accelerating the global expansion of its SST products. With the People's Government of Xinbei District, Changzhou, WG Energy will jointly build an SST production base for AIDC scenarios in Changzhou, to be implemented in phases over the next three years. Together with the Kunshan base, this will form a powerful hub for SST manufacturing in the Yangtze River Delta.
WG Energy has partnered with Changzhou Longcheng New Energy Co., Ltd., Luzhou Energy Investment Co., Ltd., Jiangsu Zhongtian Technology Co., Ltd., Jiangsu Hengzhida New Energy Technology Co., Ltd., Guangzhou Zelian Energy Technology Co., Ltd., and Beijing Ruiyao Technology Co., Ltd. Together, they will carry out project cooperation and market promotion in areas such as integrated PV-storage-charging, heavy-duty truck supercharging hub, microgrids, and zero-carbon parks, jointly promoting the large-scale application of SSTs across multiple industries.
This series of partnerships marks WG Energy's transition from a single-point technological breakthrough to a new stage of full-industry-chain ecosystem collaboration.
03 Kunshan + Changzhou: Building the World's Largest SST Manufacturing Hub
In terms of production capacity, WG Energy will establish a dual‑base manufacturing layout in Kunshan and Changzhou.
As demand for SSTs continues to surge, the existing capacity at WG's Kunshan base can no longer keep up with rapidly growing market orders — prompting the immediate launch of a Phase II expansion. At the same time, the specialized Changzhou SST production base for high‑end scenarios such as AIDC AI computing centers is also accelerating toward completion.
WG Energy SST Project Case Map
The Kunshan and Changzhou bases complement each other and advance in synergy. When both reach full capacity, WG Energy's annual total SST production will exceed 40 GW, making it one of the world's strongest players in SST manufacturing — providing a solid production capacity foundation for the dual transformation of "computing power + electric power."
04 Standards & Certification: Accelerating Worldwide Expansion
The strategic partnership with TÜV Rheinland marks a key step in WG Energy's globalization strategy. As a world-leading third-party testing and certification body, TÜV Rheinland will provide technical support for the safety, performance, and reliability certification of WG's SST products, helping secure international accreditations such as IEC and UL.
At the same time, WG Energy has actively participated in the development of multiple industry and group standards for SSTs, driving the industry from technological exploration to standardized application. The company has stated that it will continue to pursue open collaboration, guided by international standards, to accelerate the large-scale deployment of SST products in global data centers, renewable energy stations, heavy-truck charging stations, and smart flexible distribution grids.
The remarkable achievements on the first day of SNEC 2026 validate WG Energy's "Technology + Industry + Capital + Ecosystem" four‑pillar strategy. From the technological breakthrough of the Xihe 2.0 SST, to the ecosystem alliance of eight strategic partners, to the ambitious blueprint of dual‑base, 100‑GW capacity — WG Energy is redefining the foundational logic of the new power system with SSTs at its core.
Looking ahead, WG Energy will continue to uphold its vision of "to pioneer as the power router for the Energy Internet," working with global partners to provide efficient, reliable, and green power supply hearts for the computing era — maximizing the value of every kilowatt‑hour.
