Recently, China's first 100-MWh-level cloud energy storage demonstration project for distribution areas was fully completed and put into operation in Shandong. The project covers 400 distribution areas across four locations, with a total scale of 50MW/100MWh, marking a breakthrough in the large-scale cluster application of distributed energy storage on the distribution network side.
Gold Electronic facilitated the successful implementation of the project, providing key technical support for exploring a replicable and scalable energy storage model for distribution areas.
This demonstration project also revealed the core challenges of deploying energy storage in distribution networks: hundreds of terminal devices must possess millisecond-level response, high standardization, and seamless integration capabilities to ensure precise cross-regional coordination and centralized control. Faced with the strict requirements of delivering, commissioning, and cloud-syncing a massive number of high-quality devices in a short period, traditional customized development models are no longer adequate.
Gold Electronic's ETANK energy storage solution was created precisely to meet such scaling challenges. Relying on its core features of standardization, high reliability, and seamless integration, it successfully completed the large-scale empirical validation from products to complex scenarios in this project.
Based on the concept of "system-level integration," the Gold Electronic ETANK energy storage cabinet deeply integrates five core systems—BMS, EMS, PCS, FFS, and TMS—into a unified ICM (Integrated Control Module), achieving a fundamental innovation in hardware architecture.
This design ensures the standardization of all interfaces, protocols, and performance from the source, making each cabinet a highly consistent plug-and-play node. As a result, it can seamlessly connect to the cloud platform, accept millisecond-level dispatching, and support the precise collaborative operation of hundreds of devices across regions.
The practical verification of the Shandong project proves that this integrated architecture brings multi-dimensional value: it not only achieves remote intelligent O&M by simplifying the system but also keeps the footprint under 1.3m³ utilizing CTP (Cell to Pack) and high-density layouts, flexibly adapting to space-constrained distribution areas.
While improving system energy efficiency (charge/discharge efficiency >90%), it builds a three-level (cell-cluster-cabinet) millisecond-level active safety protection system, realizing a major leap from device safety to intrinsic system safety.
The system-level integrated product design builds a core manufacturing advantage for Gold Electronic to achieve large-scale, high-quality, and rapid delivery. The company has built highly automated smart production lines focusing on the efficient and precise production of ETANK energy storage cabinets.
The ETANK cabinet's concept of "deep integration and all-in-one design" fundamentally reshapes the production process. The "5S-in-one" ICM deeply integrates the five major systems, replacing the traditional multi-system scattered commissioning on-site and ensuring the standardization of every device straight from the factory.
The minimalist modular design and automated processes ensure high precision and efficiency in assembly while significantly reducing the reliance on manual labor.
This "productization" capability, running from the design phase to the manufacturing terminal, significantly shortens the production and delivery cycle of Gold Electronic's ETANK energy storage cabinets, providing reliable industrial support for the rapid and scalable response to energy storage demands in distribution areas.
The integrated and standardized technological path represented by the ETANK energy storage cabinet has been widely recognized in the industry. Its innovativeness has been transformed into a strong patent moat, with multiple patents implemented across all aspects from core materials and key structures to system integration.
The product has also won numerous awards in multi-level innovation selections at national and provincial levels. Notably, at the 10th International Energy Storage Innovation Competition, the ETANK cabinet won the "Excellent Project in System Integration Track" award relying on its pioneering "5S-in-one" ICM architecture.
This series of honors marks the industry's high affirmation of Gold Electronic's technological direction and practical achievements, providing a solid endorsement for ETANK's application in broader markets.
In January of this year, the State Grid announced that fixed-asset investment during the "15th Five-Year Plan" period is expected to reach 4 trillion yuan, and the total investment scale of the three major power grids is expected to exceed 5 trillion yuan, hitting a record high. With the policy opportunity of National Document No. 1710 designating distribution networks as a key investment focus, the market prospect for distribution area energy storage is extremely promising.
Through the successful practice of the Shandong demonstration project, Gold Electronic has verified the reliable capability of the ETANK energy storage cabinet to address scaling challenges. Facing a deterministic market future, Gold Electronic will continue to deepen technological innovation, dedicating itself to building the scaled-verified ETANK solution into a reliable cornerstone supporting the construction of novel distribution networks.
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