Company Introduction
Optimal Energy Services, a luxury company in power generation and industrial equipment maintenance.
- Company Introduction
- About OES

"OES is a top power plant maintenance service provider in korea
for Thermal, Nuclear power plant and renewable assets."
Optimal Energy Service Co., Ltd. was established in June 2003 as the power plant facility and industrial plant maintenance company and has been specialized in the power plant facility maintenance company that responsibly performs the routine maintenance, the scheduled outage maintenance and the commissioning maintenance work for the domestic power generating facilities.
Since its establishment, we have continuously contributed to management improvement, technical development and manpower fostering, and we make every effort for customer satisfaction by providing high-quality services with accumulated technology in the maintenance market.
Since 2015, we have entered the overseas maintenance business market, expanding our business beyond Korea.
In addition, we will pioneer novel growth paths by actively participating in new growth business fields in addition to existing business and will become a company that provides the highest service that exceeds customer expectations by actively reflecting the latent needs of customers.
- Company Name Optimal Energy Service Co., Ltd.
- CEO Lee, Hyeongju
- Business Type Construction, Building Industry, Services
- Founded June 26, 2003.
- Category of Business Power plant facilities, Facility improvement and repair work, Inspection and maintenance of power Plant facilities, General industrial facility construction
- employees 590 (as of Dec. 2022)
- Major Work Routine and scheduled outage maintenance of thermal power, Routine and commissioning maintenance of nuclear power, Routine and scheduled outage maintenance of hydropower, Equipment construction of general industrial plant
- Headquarters Adress 34th fl, 24 Yeoui-daero, Yeongdeungpo-gu, Seoul, Republic of Korea
- License Electrical Works, Mechanical equipment Works, Metal structure and window Works, Scaffolding & Dismantling Works, Fire-fighting facility Works, New & Renewable Energy Specialist