Power Engineering Construction Company No.1

1. Units under PECC1 base on head quart Thanhxuan - Hanoi
	-Administration Department -Planning Department -Personnel Department -Accounting and Finance Department -International Cooperation Department -Department of Science, Technology and Environment -Department of Geology -Department of Topography -Local Electric Development and consultant Department -Transmission line Design Department -Substation Design Department -Thermal power Plant Design Department -Hydropower Plant Design Division No1. -Hydropower Plant Design Division No2. -Electric Network Investigation Division. -Department of Geophysics. -Laboratory. -Inspection Department. -Auditing Department. -Information Center.

2.Units under PECC1 base on provinces
	-Power Engineering and Investigation Enterprise No1. Add: Km 2 – Ha Dong Road – Van Dien – Ha Tay province Tel: 034 824 518 – Fax: 034 826 806. -Power Engineering and Investigation Enterprise No2. Add: Long Binh Tan precinct- Bien Hoa City – Dong Nai province Tel: 061 834 288. -Power Engineering and Investigation Enterprise No3. Add: 36 Le Duan Road – Da Nang City Tel: 0511 821 698 – Fax: 0511 822 925. -Technical – Scientific Service Enterprise Add: Km 9 Nguyen Trai Road Thanh Xuan – Hanoi Tel: 8 545 415 -In-situ Designing Division of Yali hydropower project: Pleiku- Gia Lai -In-situ Designing Division of Song Hinh hydropower project Phu Yen province.