Te Mihi Geothermal Power Project is a 166MW 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 August 2014.

Project TypeTotal Capacity (MW)Active Capacity (MW)Pipeline Capacity (MW)Project StatusProject LocationProject DeveloperGeothermal166166-ActiveWaikato, New ZealandContact Energy; McConnell Dowell; SNC-Lavalin Constructors; WSP USA


The project was developed by Contact Energy, McConnell Dowell, SNC-Lavalin Constructors and WSP USA. The project is currently owned by Contact Energy.

The geothermal plant is of double flash type.

The project cost is $623m.

Development Status

The project got commissioned in August 2014.

Contractors Involved

McConnell Dowell, SNC-Lavalin Constructors and WSP USA were selected to render EPC services for the geothermal power project.

Toshiba Energy Systems and Solutions was selected as the steam turbine supplier for the geothermal power project. The company provided 2 turbines, each with 83MWe nameplate capacity.

About Contact Energy

Contact Energy Ltd (Contact Energy) is an energy company that generates and sells electricity, and natural gas to customers. It owns and operates power stations and produces electricity from various sources of energy, including renewable, hydro and geothermal sources. The company 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.

About McConnell Dowell

McConnell Dowell Corp Ltd (McConnell Dowell), a subsidiary of Aveng Limited, is the provider of construction services. The company offers a wide range of construction services with capability in building, civil, fabrication, electrical and mechanical works with engineering and construction specialists in pipeline, tunnel and underground, marine and rail construction. It serves power; transport; mining and metals; oil and gas; petrochemicals; government; commercial and industrial; social and residential; and water and wastewater sectors. The company along with its subsidiaries and affiliates operates in Australia, New Zealand, Singapore, the Philippines, Malaysia, Indonesia, Brunei, Hong Kong, and Laos. McConnell Dowell is headquartered in Hawthorn, Victoria, Australia.


WSP USA Inc (WSP USA), a subsidiary of WSP Global Inc (WSP Global), is a construction and engineering company. It carries out construction projects for roads, rail and transit, bridges, aviation and maritime infrastructure, property and buildings, and energy infrastructure. The company’s service portfolio includes acoustic and vibration services, electrical engineering, fire engineering, structural engineering, mechanical engineering, and urban planning and regeneration. It also offers master planning, mining engineering, project and program management, process consulting, design and consulting, transport engineering, and urban design services. The company operates across the US. WSP USA is headquartered in New York, the US


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.