Mita Geothermal Field

Cerro Blanco Gold Mine, Guatemala
Bluestone Resources

In 2022, RESPEC was contracted by Bluestone Resources to help develop the geothermal wellfield at the Mita Geothermal Field project as part of the Cerro Blanco Gold Mine expansion in Guatemala. The geothermal field has 18 wells that were drilled in the early 2010s. Three of the wells produce commercial level hot water and steam, but the field lacks sufficient injection capacity for power generation. RESPEC conducted an injection well that targets evaluation and wellfield development strategy early this year. Bluestone Resources plans to continue developing resources later this year and in 2023; RESPEC will support drilling and testing of up to three new injection wells and stimulation of current potential production and injection wells.

From Bluestones Website:
“The Mita Geothermal project is located in southeast Guatemala approximately 160 kilometers by road from the capital, Guatemala City. The nearest power grid is Asunción Mita, a community of about 15,000 people approximately ten kilometers from the project. A total of 18 geothermal wells have been drilled, including nine slim holes and ten standard diameter wells. US$60 million has been invested into the project to date. A feasibility study was completed on the Mita Geothermal project in 2013 by Sinclair Knight Merz (SKM) which returned positive economics. Bluestone is examining options to advance the commercialization of the Mita Geothermal project. A phased-approach is expected, Phase 1 could supplement power requirements for the mine, including dewatering and ventilation. A Phase Two would include the development of a larger geothermal power plant which could generate the balance of the power required for operations and potentially more. It is projected that beneath the Mita geothermal concession, at depths of 2,000 to 3,000 meters, may be a deeper geothermal reservoir. Chemical geothermometry projects reservoir temperatures of 220+°C. The development of a deeper geothermal reservoir could provide additional power generation of up to 50 MW.”

3. Feasibility Study