Gouvães Dam (Portuguese: Barragem de Gouvães) is a rockfield dam on the Torno River. It is located in the municipality Vila Pouca de Aguiar, in Vila Real District, Portugal and it is part of the wider Tâmega Electricity-Generating Group formed of three dams and three plants[1]

Gouvães Dam
Location of Gouvães Dam in Portugal
Official name	Barragem de Gouvães
Country	Portugal
Location	municipality Vila Pouca de Aguiar, Vila Real District
Coordinates	41°29′39″N 7°43′38″W
Purpose	Power
Status	Operational
Opening date	2022
Dam and spillways
Impounds	Torno River
Installed capacity	880 MW (1,180,000 hp)
Annual generation	1468 Gwh

Iberdrola signed a 70-year concession with the Government of Portugal in July 2014 for the design, construction and operation of three projects: Alto Tâmega, Daivões and Gouvães dams.[2]

Construction of the dam completed in July 2022.[3]

Dam

Gouvães Dam is 35 metres (115 ft) tall.[4]

Reservoir

The reservoir surface area for the dam has 3.4 km² (1.3 sq mi).[4]

Power plant

The generating unit of the dam consists of four 220MW reversible turbine units with a diameter of 3,500 mm (140 in) and speed of 600rpm and producing 1468 GWh of electricity a year.

The maximum discharge capacity of the spillway located on the left of Gouvães dam is of 67 m³/s (2,400 cu ft/s). The dam also includes 6.5 km (4.0 mi) of tunnels along with a 750 metres (2,460 ft) shaft. The penstock is a concrete tunnel with a length of 4.7 km (2.9 mi) and diameter of 7.3 m (24 ft).[4]

See also

• List of power stations in Portugal
• List of dams and reservoirs in Portugal

References

Wikimedia Commons has media related to Alto Tâmega Dam.