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Case study

Applying Industry 4.0 Technology in Energy Management and Utilization

14:05 - 19/11/2024

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With a total energy savings of 712,250 kWh in 2023, Hanwha Aero Engines Co., Ltd. achieved the 5-star Green Energy Facility recognition in Hanoi.

Hanwha Aero Engines Co., Ltd. (Hanwha) is a Korean enterprise specializing in the production of aerospace engine components under Hanwha Group, one of South Korea's top 10 largest conglomerates. The company was licensed to operate in Vietnam in 2017 and established its factory in the Hoa Lac Hi-Tech Park, Thach That, Hanoi.
Hanwha is responsible for developing, producing, and supplying engine components for civilian aircraft. It partners with leading global aviation engine manufacturers such as GE (USA), Pratt & Whitney (USA), and Rolls-Royce (UK), serving as a component supplier.
Hanwha Aero Engines Co., Ltd., is located at Hoa Lac Hi-Tech Park, Thach That, Hanoi.
Hanwha consumes approximately 1,280 TOE (tons of oil equivalent) annually, placing it among Hanoi’s key industrial energy users. The company prioritizes energy conservation and efficiency.
Hanwha established an Energy Management Committee staffed with certified energy management professionals accredited by the Ministry of Industry and Trade. The committee has a clear organizational structure and defined responsibilities for its members. The company has issued an energy policy alongside annual and five-year energy-saving plans.
Given its focus on producing precision aircraft engine components, Hanwha's entire production line is highly automated and imported from overseas. Its production processes—primarily machining, milling, and turning—require extreme precision. To manage energy effectively and monitor consumption levels for each production stage and product type, Hanwha has implemented Industry 4.0 technologies. This includes automation solutions and networked control systems to enhance energy-saving efforts.
High-tech production line system of Hanwha Company.
A representative from Hanwha shared that as a high-tech enterprise, in addition to operating a modern production line integrated with Industry 4.0 technology for energy efficiency, the company has proactively implemented various investment solutions to enhance energy-saving performance, optimize costs, and reduce CO2 emissions during production.
For internal management, Hanwha strictly adheres to periodic maintenance schedules. Notably, the company has installed a solar energy system on the factory rooftops to ensure a stable power supply for production, stabilize the electrical system, and reduce production costs.
To further enhance energy efficiency, the factory's entire lighting system has been redesigned and replaced with energy-saving LED lights. Additionally, Hanwha has equipped its substations with capacitor banks, and all operations of compressed air systems, chillers, and electrical equipment in the factory and office are monitored through a SCADA system. Electrical cabinets are also outfitted with instruments to monitor current quality, voltage, harmonics, and power capacity.
Power quality monitoring meter (left) and water cooling system for air compressor (right).
For compressed air systems, water cooling systems have been installed, while centrifugal compressors are equipped with piping systems to vent hot air outside, enhancing the efficiency of the equipment.
Thanks to the comprehensive implementation of these solutions, Hanwha achieved a total energy savings of 712,250 kWh, equivalent to a 6.5% savings rate.

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