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November 10, 2021

Miravalles, Costa Rica

By Carmen

Miravalles is a 162.7MW geothermal power project. It is located in Guanacaste, Costa Rica. The project is currently active. It has been developed in multiple phases. Post completion of construction, the project got commissioned in March 1994.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Geothermal 162.7 162.7 Active Guanacaste, Costa Rica Geoenergia de Guanacaste; Ormat Technologies


The project was developed by Geoenergia de Guanacaste and Ormat Technologies. The project is currently owned by Instituto Costarricense de Electricidad.

The geothermal plant is of hybrid type. The geothermal site has in total 52 number of wells. Out of this 32 are production wells and remaining 20 are injection wells.

The project generates 1,145GWh of electricity.

Development Status

The project got commissioned in March 1994.

Contractors Involved

Mitsubishi was selected to render EPC services for the Miravalles (Miravalles Unit 3) project.Ormat Technologies was selected to render EPC services for the Miravalles (Miravalles Unit 5) project.

Miravalles (Miravalles Unit 1) is equipped with Toshiba Energy Systems and Solutions Single cylinder, double flow, condensing turbines.

Miravalles (Miravalles Unit 2) is equipped with Ansaldo Energia turbines.

Miravalles (Miravalles Unit 3) is equipped with Mitsubishi Heavy Industries turbines.

Miravalles (Miravalles Unit 5) is equipped with Ormat Technologies turbines.

Miravalles (Miravalles Wellhead Unit 1) is equipped with Toshiba Energy Systems and Solutions turbines.

About Ormat Technologies

Ormat Technologies Inc (Ormat) is a provider of renewable power and energy solutions with focus on geothermal and recovered energy generation. The company designs, develops, builds, owns, operates and stores power generation plants. It manufactures, distributes and sells products to generate geothermal electricity. The company also designs, manufacture and sells power units that generate electricity from recovered energy or waste heat. Ormat offers geothermal power generation equipment, completion of power plants on turnkey basis for developers, utilities and industrial customers. It sells electricity through long-term purchase agreements. The company operates in Latin America, Asia, East Africa and Europe. Ormat is headquartered in Reno, Nevada, 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.

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