China's latest success in exporting a 400kV modular substation to Oman highlights the growing international demand for prefabricated power infrastructure. As global investments continue to expand across data centers, renewable energy, utilities, and industrial facilities, modular substations are becoming an increasingly important solution for accelerating project delivery while improving operational efficiency.
Unlike conventional substations, modular substations are manufactured, assembled, and factory-tested before being transported to project sites for final installation. This standardized approach significantly reduces construction time, minimizes on-site commissioning, and improves overall project reliability. These advantages have made modular substations a preferred choice for utility companies, EPC contractors, and industrial operators worldwide.
Behind every modern modular substation is a comprehensive industrial automation system. In addition to transformers and switchgear, these facilities rely on PLCs, DCS platforms, SCADA systems, HMI panels, remote I/O, industrial communication networks, power supplies, and condition monitoring devices to ensure safe, stable, and efficient operation throughout the power distribution process.
Many international power and energy projects continue to utilize automation technologies from leading manufacturers such as ABB, Siemens, GE, Schneider Electric, Honeywell, Emerson, Yokogawa, and Rockwell Automation. Controllers, communication modules, I/O systems, industrial networking equipment, and monitoring solutions from these brands are widely deployed across substations, power plants, renewable energy facilities, oil & gas installations, and large-scale industrial applications.
As a supplier specializing in industrial automation spare parts, Sumset International (China) has observed increasing demand from overseas customers involved in power transmission, smart grid modernization, renewable energy projects, and industrial infrastructure development. Growing investments across the Middle East, Southeast Asia, Europe, and Africa continue to drive demand not only for new automation equipment but also for long-term maintenance and replacement components.
For modular substation projects, reliable spare parts support remains essential throughout the entire equipment lifecycle. Routine maintenance, system upgrades, emergency replacements, and lifecycle management all require timely access to high-quality industrial automation components. Maintaining stable inventories and responsive global supply capabilities has become increasingly important for minimizing downtime and supporting uninterrupted plant operation.
Typical automation products commonly found in modern power infrastructure include PLC controllers such as the Siemens S7-1500, Schneider Modicon M580, and ABB AC800M, distributed control platforms including Emerson DeltaV, Honeywell Experion PKS, and Yokogawa CENTUM VP, as well as turbine control systems like GE Mark VIe. Remote I/O modules, communication processors, power supply modules, and industrial networking devices also play critical roles in ensuring reliable system performance across power generation and transmission facilities.
As global energy infrastructure continues to evolve, supported by investments in digitalization, renewable energy, and data center construction, demand for industrial automation systems is expected to remain strong. Sumset International (China) will continue to monitor industry developments and support customers worldwide with dependable industrial automation spare parts, helping ensure the long-term reliability and availability of critical control systems across a wide range of industries.
Source: Compiled from the WeChat Official Account of CCTV News and reports by CCTV Finance (CCTV-2).