Generation
Whakamaru Hydro Station Class 4 Upgrade
Client Name: Mighty River Power
Strategy & Planning: no
Project Delivery: yes
Design: no
Technical Services: no
The original Whakamaru power station was commissioned in the mid-50s and has operated continuously since. During this period the plant has not been subjected to a complete overhaul.
In 2010, Mighty River Power undertook a Class 4 overhaul of G1. Edison was retained to provide technical suppoer and...
New Geothermal Power Station for Kawerau
Client Name: Mighty River Power
Strategy & Planning: no
Project Delivery: yes
Design: no
Technical Services: yes
Mighty River Power’s new Kawerau geothermal power station is fully operational ahead of time, under budget and capable of generating at a higher than expected capacity of 100MW.
The $300 million Kwerau project was the largest single geothermal development in New Zealand for more than 20...
Te Uku Wind Farm Transmission Line Build
Client Name: WEL Networks
Strategy & Planning: no
Project Delivery: yes
Design: no
Technical Services: yes
WEL Networks were constructing a new Transmission line to connect the wind farm at Te Uku (10km South East of Raglan) to WEL’s Network at the Te Kowhai Substation, a route length of approximately 17km consisting of mainly steel poles installed on concrete pile foundations. The...
Hydro Generator Transformer Replacement
Client Name: Mighty River Power
Strategy & Planning: no
Project Delivery: yes
Design: no
Technical Services: yes
Mighty River Power is undertaking a replacement programme of the power transformers at its hydro power stations throughout New Zealand. In 2009/2010 four 11/220kV transformers where replaced - three at Maraetai and one at Whakamaru power stations.
The existing transformers were single phase units...
Nga Awa Purua Geothermal Power Station
Client Name: Mighty River Power
Strategy & Planning: no
Project Delivery: yes
Design: no
Technical Services: no
Mighty River Power’s new Nga Awa Purua geothermal power station is its second geothermal development. The $430M geothermal power station has a capacity of 140MW and connects into Transpower’s existing 220kV transmission grid.
Nga Awa Purua houses the largest single shaft...

