The Stratos Hydroelectric Dam (Greek: Υδροηλεκτρικό Φράγμα Στράτου) is a dam on the river Acheloos in Aetolia-Acarnania, western Greece. It is situated just east of the village Stratos, and 9 km northwest of Agrinio. The dam created the Stratos artificial lake. There are four more dams upstream from the Stratos Dam: the Kastraki Dam, the Kremasta Dam, the Sykia Dam and the Mesochora Dam.

Stratos Hydroelectric Dam Ηδροηλεκτρικό Φράγμα Στράτου
Stratos Hydroelectric Dam
Location of Stratos Hydroelectric Dam Ηδροηλεκτρικό Φράγμα Στράτου in Greece
Country	Greece
Location	Stratos, Aitoloakarnania
Coordinates	38°40′33″N 21°20′10″E / 38.67583°N 21.33611°E / 38.67583; 21.33611
Purpose	Power, irrigation
Status	Operational
Construction began	1981
Opening date	1989
Owner(s)	Public Power Corporation of Greece
Dam and spillways
Type of dam	Embankment, earth-fill
Impounds	Acheloos River
Height	26 m (85 ft)
Length	1,900 m (6,200 ft)
Dam volume	2,800,000 m3 (3,700,000 cu yd)
Reservoir
Creates	Stratos artificial lake
Total capacity	11,000,000 m3 (8,900 acre⋅ft)
Catchment area	4,320 km2 (1,670 sq mi)
Surface area	8.4 km2 (3.2 sq mi)[1]
Power Station
Commission date	1988-1989
Turbines	2 x 75 MW Francis-type 2 x 3.35 MW S-turbine
Installed capacity	156.7 MW[2]
Annual generation	237 GWh

The dam was constructed between 1981 and 1989. Four turbine units produce up to 156.7 MW of electricity.