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November 15, 2021

Ohaaki, New Zealand

By Carmen

Ohaaki is an 114.4MW geothermal power project. It is located in Waikato, New Zealand. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in 1988.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Geothermal 114.4 114.4 Active Waikato, New Zealand Contact Energy


The project is developed and owned by Contact Energy.

The geothermal plant is of double flash type. The geothermal site has in total 23 number of production wells. Ohaaki runs at a temperature of 280.

The project generates 549GWh of electricity.

Development Status

The project got commissioned in 1988.

Contractors Involved

Mitsubishi Heavy Industries was selected as the steam turbine supplier for the geothermal power project.

About Contact Energy

Contact Energy Ltd (Contact Energy) is an energy company that generates electricity, and natural gas and sells them to customers. It owns and operates power stations and produces electricity from various sources of energy, including renewable, hydro and geothermal sources. The company generates more than 80% of the power using renewable sources. Contact Energy supplies electricity and gas to residential, commercial and industrial customers throughout New Zealand. Contact Energy also trades a range of financial products. The company also offers other energy related products and related services to customers such as provision of smart meter services, among others. Contact Energy is headquartered in Wellington, New Zealand.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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