Belver Dam

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Official nameBarragem de Belver
Locationmunicipality Gavião, Portalegre District, Portugal
Coordinates39°28′47.2″N 7°59′52.3″W / 39.479778°N 7.997861°W / 39.479778; -7.997861
PurposePower
Belver Dam
Belver Dam is located in Portugal
Belver Dam
Belver Dam
Location of Belver Dam in Portugal
Official nameBarragem de Belver
Locationmunicipality Gavião, Portalegre District, Portugal
Coordinates39°28′47.2″N 7°59′52.3″W / 39.479778°N 7.997861°W / 39.479778; -7.997861
PurposePower
StatusOperational
Construction began1945
Opening date1952
OwnerHIDROTEJO
OperatorEnergias de Portugal
Dam and spillways
Type of damConcrete gravity dam
ImpoundsTagus
Height (foundation)30 m (98 ft)
Length327.5 m (1,074 ft)
Elevation at crest47.5 m (156 ft)
Dam volume90,000 m3 (3,200,000 cu ft)
Spillway typeDam body
Spillway capacity18,000 m3 (640,000 cu ft)
Reservoir
Total capacity12,500,000 m3 (10,100 acre⋅ft)
Active capacity8,500,000 m3 (6,900 acre⋅ft)
Surface area2.86 km2 (1.10 mi2)
Normal elevation46.15 m (151.4 ft)
Power Station
OperatorEnergias de Portugal
Commission date1951
Hydraulic head15.2 m (50 ft) (max)
TurbinesKaplan-type:
4 x 8.091 MW,
1 x 15.997 MW,
1 x 35.304 MW
Installed capacity80.7 MW
Annual generation220 GWh

Belver Dam (Portuguese: Barragem de Belver) is a concrete gravity dam on the Tagus, where the river forms the border line between the Portuguese districts of Portalegre and Santarém. It is located in the municipality Gavião, in Portalegre District.

Construction of the dam began in 1945. The dam was completed in 1952. It is owned by HIDROTEJO.[1]

Belver Dam is a 30-metre-tall (98 ft) (height above foundation) and 327.5-metre-long (1,074 ft) gravity dam with a crest altitude of 47.5 metres (156 ft). The volume of the dam is 90,000 m3. The spillway is part of the dam body (10 roller gates with a maximum discharge capacity of 18,000 m3/s).[1]

Reservoir

At full reservoir level of 46.15 metres (151.4 ft) (maximum flood level of 47.15 metres (154.7 ft)) the reservoir of the dam has a surface area of 2.86 km2 and its total capacity is 12.5 mio. m3. The active capacity is 8.5 (7.5)[2] mio. m3. Minimum operating level is 41 metres (135 ft).[1]

Power plant

See also

References

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