Sustainability Management
We will be a company that contributes to the development of the company and society by providing services that gain the trust and satisfaction of customers.
- Sustainability Management
- Safety Management
Safety and Health Management
We will achieve "ZERO industrial accidents" through the establishment of safety and health infrastructure, capacity enhancing, and safety and health activities.
Optimal Energy Service Co., Ltd. operates a safety and health management system (KOSHA MS / ISO45001) for each business site to ensure safety centered on people, who are the most fundamental part of power plant facility maintenance.
This is a way to fulfill the company's safety management policy, "Establishment of Safety Culture," and furthermore, we will achieve "ZERO industrial accidents" through the establishment of safety and health infrastructure, capacity enhancing, and participation in safety and health activities.
Safety and Health Management Policy
Optimal Energy Service Co., Ltd. declares the following safety and health management policy to realize a happy and safe workplace together as an energy leader providing the best energy services.
- With the goal of establishing a safety culture, all employees shall recognize the value of safety and health as a top priority and actively participate in safety and health activities in cooperation with each other.
- To establish a safety and health infrastructure, we will systematically establish and gradually develop a safety and health management system.
- We strictly comply with safety and health laws and regulations and enhance our safety and health capabilities through practical training, safety and health inspections, and continuous improvement.
- We achieve zero industrial accidents by realizing safe maintenance through identification and elimination of risk factors and activities to reduce risks before performing maintenance work.
- The company, managers, and employees shall ensure participation in safety and health activities through smooth and free communication based on mutual respect.
Understanding that safety and health activities practiced together are the key to preventing safety accidents, our employees do our best to manage safety and health with a sense of ownership and responsibility.
Head of Safety and Quality

Safety and Health Management System
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ISO 45001 Certificate (Health and Safety Management System [Korean])
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ISO 45001 Certificate (Safety and Health Management System [English])
Health and Safety Management System Process
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Industrial safety and health laws and regulations
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Serious Accident Punishment Act and Regulations
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In-house safety and health management regulations, guidelines, and procedures
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Establishment of safety work procedures at the request of the customers
Safety and Health Management System (ISO45001)


Safety and Health Management Activities
- 1.Prioritizing safety and health management
- 2.Complying with laws & regulations and establishing a proactive and preventive safety culture
- 3.Minimizing chemical handling and greenhouse gas emissions
- 4.Enhancing safety and health capabilities and communication/participation
- 5.Fulfillment of social responsibilities