Stanley Vietnam: Targeting a 4% Reduction in Annual Energy Consumption Intensity

11/09/2025

With a series of synchronized solutions from management to technology, Stanley Vietnam has saved millions of kWh of electricity, reduced CO₂ emissions, and reaffirmed its green commitment.

A Green Mission in Industrial Production

As one of the key energy users in Hanoi, Stanley Electric Vietnam Co., Ltd. (Stanley Vietnam) has long recognized its role and responsibility in promoting energy efficiency and conservation.

For Stanley Vietnam, energy efficiency is not only about investing in energy-saving machinery and equipment but also about a comprehensive change in management mindset and employee awareness.

Stanley Vietnam factory in Duong Xa - Hanoi.

The company’s leadership defines energy efficiency not merely as a way to reduce production costs, but also as a responsibility to the environment and society. Therefore, Stanley has issued internal regulations on energy management, established a dedicated energy management team, developed detailed annual plans, and linked energy-saving targets with performance evaluations.

The company’s biggest commitment is to reduce energy consumption intensity by 4% annually, regarding this as a benchmark for both production efficiency and social responsibility.

Technology Investment Brings Double Benefits

Beyond awareness, Stanley Vietnam has strongly invested in technological innovation, replacing old, energy-intensive production lines with modern, energy-saving equipment.

One notable solution is replacing the entire fluorescent lighting system with high-tech LED lights, saving up to 40% of lighting electricity while improving light quality and working conditions.

The entire compressed air system has been equipped with inverters to save electricity.

The compressed air system—traditionally considered the “largest electricity consumer” in the plant—has also been upgraded. Stanley has installed automatic inverter controls to adjust capacity according to actual demand, significantly reducing electricity consumption. As a result, power costs for this system have fallen by an average of 15–20%, equivalent to 0.43% of the plant’s total electricity use.

According to Mr. Do Thanh binh, Head of Maintenance at Stanley Vietnam, from 2020–2023, the company replaced hundreds of low-efficiency light bulbs with modern LED systems and installed automatic timers for pathway and workshop lighting. These measures saved hundreds of thousands of kWh each year.

Additionally, the company cut back on large-capacity compressors, shut down the chiller system during the four winter months, and optimized transformer and underloaded equipment operations.

In particular, since 2023, Stanley has installed a solar power system on six workshop rooftops, cutting 11.45% of total electricity consumption, directly contributing to renewable energy goals and carbon neutrality.

Another key solution is heat recovery for plastic drying processes. “With 125 plastic dryers, Stanley improved the heat recovery cycle by using hot air from one stage for the next, saving up to 31% of electricity for the drying process,” Mr. Binh said.

The company’s target is to reduce energy consumption intensity by about 4% each year.

Furthermore, condensate water from air-handling units (AHUs) is collected and reused for cleaning, watering plants, and washing vehicles, reducing waste and conserving resources. This initiative was recognized as an outstanding innovation by the Hanoi Labor Federation.

To further improve energy efficiency, Stanley Vietnam installed an automatic condenser coil cleaning system (ATCS), reducing electricity consumption by 15–20%, equivalent to 0.43% of the plant’s total power use.

The company has also expanded green spaces, using recycled water for irrigation and cleaning. In 2022 alone, the company renovated 1,000 m² of landscape and planted 50 mature mango trees, contributing to CO₂ offsetting.

The irrigation system for greenery also uses recycled water from the company’s reservoir, which is also reused in the plant’s restrooms.

In particular, Stanley Vietnam pioneered the application of the smart energy monitoring system (EMS). The system allows online monitoring of electricity consumption by each workshop and equipment, thereby detecting unreasonable points and promptly adjusting. With this solution, the company saves hundreds of thousands of kWh of electricity each year, while building an important database for long-term energy management.

As a result, in 2023 alone, Stanley Vietnam saved 865,245 kWh of electricity, equivalent to more than 1.6 billion VND. In 2024, after an energy audit and implementing 7 new solutions, the company saved 1.25 million kWh, reducing costs by more than 1.73 billion VND, equivalent to a savings of 2.17% compared to total electricity consumption. This is a testament to the clear effectiveness when businesses are steadfast in their energy-saving roadmap.

Thanks to the synchronous measures, the company has reduced thousands of tons of CO₂ every year. In particular, investing in solar power systems, improving plastic dryers, and optimizing refrigeration systems have made Stanley a pioneer in applying green technology in the supporting industry.

DUC DO