Trà Linh 1 Hydropower Project (Nam Trà My District, Quảng Nam Province) is a diversion-type hydropower plant owned by Công ty TNHH Thanh Bình. The source article states that construction is under way.
The headworks comprise 01 main dam, 01 auxiliary dam and 02 Chiron-type water collection dams. The main dam on the Nước Nô Stream is a concrete gravity dam with a maximum height of approximately 53 m. The reservoir has a storage capacity of approximately 1.27 million m³. The overflow spillway is 50 m wide.
The water conveyance system on the left bank comprises an intake structure; a reinforced concrete conduit with b × h = 2.5 × 2.5 m and a length of 56.77 m; a headrace tunnel with D = 2.8 m and a length of 4712.5 m; and 02 vertical shafts with a combined depth of 274.07 m and a diameter of 2.8 m.
The powerhouse contains 02 vertical-shaft Pelton turbine units, with a total installed capacity of 29.6 MW and average annual generation of 96.428 million kWh. Maximum generating head: Hmax = 428.6 m; maximum design discharge through the generating units: Qmax = 8.27 m³/s.
Contracting entity: Cty TNHH Thanh Bình
Contract No.: 68/2018/HĐTV-TVXD/TL1
Scope of work: Technical design and shop drawings.
