Huawei’s Groundbreaking Grid-Forming ESS Projects
Huawei’s Groundbreaking Grid-Forming ESS Projects Successfully Complete Tests
Huawei’s Smart Renewable Energy Generator Solution has recently made a major leap in energy storage technology by completing grid-connection tests for the world’s first batch of grid-forming energy storage plants in China. This milestone represents a significant step in integrating renewables into power grids, particularly with Huawei’s advanced Grid-Forming ESS technology.
The tests, conducted at three major energy storage plants, included CR Power (25 MW/100 MWh), CGDG (50 MW/100 MWh), and ZDI (6 MW/24 MWh), covering performance evaluations under various challenging conditions like high/low voltage disturbances, phase angle jumps, and extreme temperatures. The results confirmed the reliability and resilience of Huawei’s energy storage solutions.

Key Achievements:
- High Efficiency and Stability: The CR Power project successfully demonstrated Huawei’s technology for stabilizing renewable energy supply under grid-following and grid-forming modes. Notably, the project achieved the world’s first black start test for string grid-forming energy storage, reducing restart times from hours or days to mere minutes.
- Multifunctional Integration: The CGDG project, located in Qinghai, combined PV, wind, solar thermal, and conventional energy storage. It passed rigorous short-circuit tests and verified the compatibility of Huawei’s Smart String ESS with various power supplies, showcasing its ability to handle multiple energy sources with efficiency.
- Extreme Conditions: In Ngari Prefecture, where altitudes reach 4500 meters and winter temperatures drop below -20°C, the ZDI energy storage plant successfully improved grid strength and on-grid power generation, proving that Huawei’s solutions can thrive under extreme conditions.
A Major Milestone Toward Carbon Neutrality
This achievement underlines Huawei’s leadership in developing cutting-edge grid-forming technology. By transitioning from “grid-following” to “grid-forming,” Huawei has taken a crucial step toward building next-generation power systems that support the transition to carbon neutrality.

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Final Thoughts
As the renewable energy landscape continues to evolve, Huawei’s grid-forming ESS solutions are setting new benchmarks in integrating renewables into power grids. This technology not only improves grid reliability but also plays a pivotal role in achieving sustainable energy goals globally.
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