Copeton Dam | |
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Location of the Copeton Dam in New South Wales | |
Location | New England, New South Wales, Australia |
Coordinates | 29°54′23″S 150°55′38″E / 29.90639°S 150.92722°E |
Purpose | hydro-electric power generation, irrigation, and water supply |
Status | Operational |
Construction began | 1968 |
Opening date | 1973 |
Owner(s) | WaterNSW |
Dam and spillways | |
Type of dam | Embankment dam |
Impounds | Gwydir River |
Height | 113 m (371 ft) |
Length | 1,484 m (4,869 ft) |
Width (crest) | 10.7 m (35 ft) |
Dam volume | 8,547 m3 (301,800 cu ft) |
Spillway type | Gate-controlled concrete chute spillway |
Spillway capacity | 1,280,000 ML (45,000×10 6 cu ft) per day |
Reservoir | |
Creates | Lake Copeton |
Total capacity | 1,364,000 ML (48,200×10 6 cu ft) |
Catchment area | 5,360 km2 (2,070 sq mi) |
Surface area | 4,600 ha (11,000 acres) |
Maximum width | 427 m (1,401 ft) |
Maximum water depth | 104 m (341 ft) |
Power Station | |
Operator(s) | AGL Energy |
Commission date | December 1996 |
Type | Conventional |
Turbines | 1 |
Installed capacity | 21 MW (28,000 hp) |
Annual generation | 54.3 GWh (195 TJ) |
Website Copeton Dam at www.statewater.com.au |
Copeton Dam is a major clay core and rock fill embankment dam with nine radial gates and a gated concrete chute spillway across the Gwydir River upstream of Bingara in the New England region of New South Wales, Australia. The dam's purpose includes environmental flows, hydro-electric power generation, irrigation, and water supply. The impounded reservoir is called Lake Copeton.