Yonki Dam is an earth-fill embankment dam over the Ramu River that supports the Ramu 1 hydroelectric power plant and the (under construction) Yonki Toe of Dam power plant.

Yonki Dam
Yonki Dam viewed from Highlands Highway
Yonki Dam is located in Papua New Guinea
Yonki Dam
Location of Yonki Dam in Papua New Guinea
LocationPapua New Guinea
Coordinates6°15′05″S 145°58′49″E / 6.25139°S 145.98028°E / -6.25139; 145.98028
Construction began1986
Opening date1991
Construction costUS$140 million
Owner(s)PNG Power
Dam and spillways
Type of damEmbankment
Height60 m (200 ft)
Dam volume1,900,000 m3 (67,000,000 cu ft)
CreatesYonki Reservoir
Total capacity335,000,000 m3 (1.18×1010 cu ft)
Power Station
Operator(s)PNG Power
Commission date1991
Turbines5 (Ramu 1) plus 2 under construction (Yonki Toe of Dam)
Installed capacity77 MW (103,000 hp) (Ramu 1) plus 18 MW (24,000 hp) under construction

Yonki Dam is located in the Eastern Highlands Province of Papua New Guinea.

The Highlands Highway passes over the Yonki Dam embankment. The adjacent Yonki villages support the operation of the dam and power station.[1]

Ramu 1 edit

Ramu 1 Power Station is a 77-megawatt (103,000 hp) hydroelectric power station located on the Ramu in Eastern Highlands Province, Papua New Guinea.

The power station consists of five units. Units 1, 2, and 3 are rated at 15 megawatts (20,000 hp), and units 4 and 5 are rated at 17 megawatts (23,000 hp). The power station is owned and operated by PNG Power.

References edit

  1. ^ "Yonki Hydroelectric Project" (PDF). Japan International Cooperation Agency. Retrieved 24 September 2010.