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Fig. 1 (a) shows the schematic diagram of the proposed composite cooling system for energy storage containers. The liquid cooling system conveys the low temperature coolant to the cold plate of the battery through the water pump to absorb the heat of the energy storage battery during the charging/discharging process.
In Shanghai, the ACCOP of conventional air conditioning is 3.7 and the average hourly power consumption in charge/discharge mode is 16.2 kW, while the ACCOP of the proposed containerized energy storage temperature control system is 4.1 and the average hourly power consumption in charge/discharge mode is 14.6 kW.
The proposed container energy storage temperature control system integrates the vapor compression refrigeration cycle, the vapor pump heat pipe cycle and the low condensing temperature heat pump cycle, adopts variable frequency, variable volume and variable pressure ratio compressor, and the system is simple and reliable in mode switching.
Containerized energy storage systems play an important role in the transmission, distribution and utilization of energy such as thermal, wind and solar power [3, 4]. Lithium batteries are widely used in container energy storage systems because of their high energy density, long service life and large output power [5, 6].
The key challenges in designing the battery energy storage system container included: Weight Reduction: The container design had to be lightweight yet strong enough to withstand operational stresses like shocks and seismic forces, ensuring the batteries were protected during transport and deployment.
We integrated an efficient HVAC system into the container design by: Incorporating two AC chillers to cool the battery area, regulating the temperature inside the container. Installing two mounted fans on top of the transformer block to circulate the air and ensure efficient heat dissipation.
The client is a leading Taiwanese energy storage solutions provider, specializing in the design and integration of battery storage systems for renewable energy and grid applications. Their focus lies in deploying robust, compact, and compliant solutions for global markets.
Static simulations confirmed the container could safely handle expected operational stresses. The integrated HVAC system maintained the batteries' ideal temperature, improving durability and preventing overheating or freezing. The container was also weatherproof, offering protection against environmental elements.
Tapping into the limited but existing opportunities for deploying energy storage systems (ESS) is vital for expanding their role in Indonesiaʼs power sector. At present, the greatest potential for ESS deployment lies in smaller and/or isolated systems, as well as in industrial or large scale commercial solar rooftop PV with BESS.
The facility’s importance is underscored by Indonesia’s limited oil reserves, which currently last only 21 days. Minister of Energy and Mineral Resources Bahlil Lahadalia emphasized the urgency of increasing storage capacity to safeguard the nation’s energy resilience.
Read here! Indonesia plans to build a major oil storage facility near Singapore, aiming to enhance energy self-sufficiency, reduce reliance on volatile global markets, and strengthen national energy resilience.
As the Oliver Wyman study notes, neither Indonesia’s grid nor its storage infrastructure is currently ready to absorb significantly more renewables. Long-Duration Energy Storage (LDES) is crucial for balancing supply and demand over days and seasons, enabling a reliable supply of Indonesia renewable energy.
