In a significant step toward renewable energy advancement in Southeast Asia, Huawei Digital Power, in partnership with Cambodian energy solutions leader SchneiTec, has successfully commissioned the country’s first TÜV SÜD-certified grid-forming energy storage system (ESS). This landmark project marks the debut of grid-forming ESS technology in Cambodia and is poised to play a pivotal role in strengthening grid resilience and enabling large-scale clean energy integration.
Project Scope and Innovation
The commissioned system includes a 12MWh energy storage installation, featuring a 2MWh dedicated testbed designed to validate Huawei’s Smart String Grid-Forming ESS technology. The deployment has been officially certified by TÜV SÜD, a globally recognized authority in energy system testing, signifying compliance with international standards and operational excellence.
Huawei’s technology demonstrated exceptional grid-forming capabilities, particularly in managing off-grid and weak-grid conditions. The system enables the seamless integration of variable renewable energy sources while ensuring grid stability through advanced control features.
Key Technical Highlights
- Inertia Response: The system achieved an inertia time constant (Tj) between 3 to 20 seconds—significantly surpassing the minimum requirement—enabling rapid stabilization during grid disturbances.
- Voltage Ride-Through: It maintained stable operation across a wide voltage range from 5% to 130% of the rated voltage, successfully handling voltage dips and surges.
- Overload Performance & Frequency Support: The ESS sustained up to 300% overload conditions and effectively mitigated low-frequency oscillations in the 0.2Hz–5Hz band.
- Black Start Capability: The system provided fast black start under load, supporting efficient restoration in the event of a total power outage.
Global Standards and Independent Testing
This project marks the first international, on-site validation of Huawei’s grid-forming ESS technology under a joint assessment by TÜV SÜD, SchneiTec, and Huawei Digital Power. It adheres to stringent benchmarks across IEC standards, China National Standards, the UK Grid Code, and Germany’s VDE regulations.
Strategic Significance for Cambodia
SchneiTec, known for developing Cambodia’s largest solar power plant, reinforces its leadership role with this advanced deployment. The partnership with Huawei signifies a robust collaboration aimed at modernizing Cambodia’s energy landscape.
This development aligns with the country’s national renewable energy roadmap, offering scalable, sustainable solutions to meet increasing electricity demands while fostering technological self-reliance and decarbonization.
Huawei Digital Power reiterated its commitment to innovation and regional energy transformation. With the successful deployment and certification of this grid-forming ESS, the company sets a new benchmark in energy storage technology—paving the way for future expansions in both capacity and application.
