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 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.
Ramu 1 Power Station is a 77 MW hydro electric power station located at the Ramu River in Eastern Highlands Province, Papua New Guinea.
The power station consists of five units. Units 1, 2 and 3 are rated at 15 MW, and units 4 and 5 are rated at 17 MW. The power station is owned and operated by PNG Power.