When mentioning Weichang Manchu and Mongolian Autonomous County in Hebei Province (hereinafter referred to as “Weichang County”), what comes to mind first?
Is it the vast forest sea of Saihanba, or the starry sky over the grasslands?
It is the only county in China established due to imperial hunting grounds. More than 300 years ago, it was known by a name recorded in history—Mulan Paddock (Mulan Weichang).
Located in the northeast of Hebei Province, Mulan Weichang is a jewel embedded along the southern edge of the Inner Mongolia Plateau.
In 1677, Emperor Kangxi visited this region during his northern inspection tours. Struck by its unique landscape of mountains and rivers, he designated it as a royal hunting ground.
History gave this land its name “Weichang,” while the present it new meaning. Today, it is not only a poetic landscape of grasslands and winds, but also one of China’s first pilot counties for rural energy revolution.
▍Building a New Energy Power System for Rural Development
The core mission of this initiative is to establish a new energy power system capable of fully supporting electricity demand across economic activities, industrial operations, industrial parks, and tourism.
Previously, during peak electricity demand periods, issues such as voltage instability and unbalanced power dispatch frequently occurred.
These problems not only affected the quality of production and daily life, but also meant that clean energy generated from PV, storage, and loads could not be fully utilized—limiting the effectiveness of the energy transition.
▍Power Router-Based Solution for Rural Energy Transformation
The key to addressing these challenges lies in the PV + Storage + EV Charging system with feeder-level flexible interconnection, customized by GCEVO Energy for Weichang County.
At the core of this solution is the PV-Storage-DC Flexible Power Router, which functions as the “intelligent dispatch hub” of the power grid.
It enables flexible energy flow among photovoltaics, energy storage, and loads, ensuring stable power supply while maximizing renewable energy consumption.
This injects stable and reliable power into a region carrying the mission of energy transformation.
▍Multi-Dimensional Energy Dispatch in Weichang County: Dual Power Router System Ensuring Stability
How powerful is the system?
It features millisecond-level response (≤10ms automatic switching). When the grid fails, it switches instantly, ensuring uninterrupted power supply—even in off-grid operation.
Power Router #1
- 375 kVA bidirectional grid port
- 480 kWp PV port
- 400 kW energy storage port
- Online UPS module for fluctuation suppression
- Supports up to 4 hours of off-grid load supply
Power Router #2
- 320 kVA bidirectional grid port
- 400 kW PV / storage ports
- 150 kW DC load port
- Supports up to 2 hours of off-grid load supply
These systems act as an intelligent “energy transportation hub,” dynamically coordinating power from PV, storage, and the grid.
They are specifically designed to support high-demand scenarios such as:
- Agricultural and livestock cold-chain systems
- Rural tourism EV charging infrastructure
Rural energy transformation requires exactly this level of stability and reliability.
▍Flexible Interconnection + Energy Storage for Stronger Power Supply Security
The project also includes:
- 1 × 200 kW dual-port low-voltage flexible interconnection Power Router at feeder level
- Enables bidirectional power flow and reactive power regulation between two distribution areas
- Solves load imbalance issues
Additionally, both PV + Storage + EV charging systems are equipped with:
- 400 kW / 800 kWh DC-side energy storage systems
- 80% depth of discharge capability
- Time-based charging and discharging configuration
The system collects real-time electrical parameters every 60 seconds for monitoring and optimization.
From solving electricity dispatch challenges to strengthening the energy foundation for industrial development, GCEVO Energy leverages PV + Storage + EV Charging and flexible feeder-level interconnection technologies to empower Weichang County with comprehensive green development momentum.
In the future,GCEVO Energy will continue to deepen its work in rural energy systems.
With advanced flexible interconnection technologies, the company will support pilot region development, contribute to rural revitalization and China’s “Dual Carbon” goals, and enable every part of rural land to benefit from the transformation brought by digital energy.
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