The 42MW Nadarivatu Hydropower Station in the remote central area of Viti Levu in Fiji reduces the country’s dependence on costly, imported diesel and provides 20 percent of the island’s electricity needs.
MWH provided full design services covering all aspects of the project from geotechnical and materials investigations, hydrology and flood assessment, mechanical, electrical, transmission line and switchyard, communications, controls through to civil, structural, construction supervision and commissioning.
The Nadarivatu project consists of a 42 MW power station encompassing two vertical pelton turbines providing 103GWh of electricity annually. The project is comprised of:
- A 30-meter-high concrete gravity dam, including three radial gates and two sluice gates
- Two kilometers of tunnels, including intake structures and screens
- A 1.5-kilometer-long, 2-meter-diameter buried steel penstock pipeline
- A 132 kV, 5-kilometer-long transmission line connecting to the existing Fiji transmission system through a switching station