No. 5 Power Engineering Consulting and Construction Joint Stock Company

Established by managers, engineers, and skilled workers with experience in electrical system construction. It provides construction and installation services for power transmission lines up to 500 kV, electrical systems and substations up to 500 kV, testing and calibration of electrical equipment and accessories, commerce and technical services, solar power plant construction, 110 kV underground power line construction, and wind turbine foundation and wind farm construction. Its work covers transmission lines, substations, control, protection, measurement systems, underground cables, poles, electrical accessories, and related commissioning and maintenance activities for energy, industrial, infrastructure, and civil projects.

The company has been entrusted with major projects including 500 kV O Mon 2 Substation, 220 kV High-Tech Park Substation, Dung Quat Refinery Project, Nghi Son Refinery Project, Phong Dien 1 Wind Power Plant, Long Thanh 1 Solar Power Plant, Krong Pa Solar Power Plant, and 110 kV underground cable works for South Saigon to District 8 and Noi Bai Airport. It also handles turnkey delivery across consulting, design, material supply, installation, commissioning, and maintenance, and it works with domestic and international partners on national power infrastructure. PCC5 states that it follows ISO 9001 and ISO 14001 and operates with a focus on safety, quality, and schedule across electrical and renewable energy projects.