Alcántara reservoir

Cáceres · Extremadura

Tajo basin Reservoirs in ExtremaduraHydroelectric

Province: Cáceres
Basin: Tajo
River: Tajo
Dam: Gravity · 1969

49.4%

Current level

1,561 hm³

Stored water

3,160 hm³

Total capacity

-114.0 hm³

Weekly change

-499.0 hm³

Vs. 2025

-226.4 hm³

Vs. 10-year mean

Historical trend

Stored water volume · hm³

hm³

Weekly summary

The Alcántara reservoir (embalse de Alcántara), in the Tajo basin and linked to Alcántara, Cáceres and Extremadura, is at 49.4% of its capacity, holding 1,561 hm³ against a maximum capacity of 3,160 hm³. It is currently falling, by 114.0 hm³ this week.

Compared with 2025: below (-15.8 points). Compared with the recent historical mean: below (-7.2 points).

Its main uses include water supply and hydroelectric power.

References
Reference	Level	Difference
Previous week	53.0%	-3.6 pts
Same week 2025	65.2%	-15.8 pts
10-year mean	56.6%	-7.2 pts

Technical data

Characteristics of the dam and its recorded uses.

Characteristics

Municipality: Alcántara
River: Tajo
Dam type: Gravity
Year built: 1969
Surface area: 10,400 ha
Upstream: Borbollón
Downstream: Cedillo

Recorded uses

Water supply
Electricity
Boating
Restaurants

Not recorded: irrigation, industrial, fishing, swimming, picnic.

Source: MITECO Inventory of Dams and Reservoirs.

Data: MITECO · AEMET