Cerro Prieto Geothermal Power Station Overview

 Cerro Prieto Geothermal Power Station Overview

 Sustainable Energy 

 Geothermal 

5 minutes read

Cerro Prieto Geothermal Power Station History

The Cerro Prieto Geothermal Power Station is a geothermal power plant located in the northern region of Baja California, Mexico. It is one of the oldest and largest geothermal power plants in the world.

In the 1950s, the Mexican government began exploring the possibility of using geothermal energy as a source of electricity. In 1958, the Mexican government signed an agreement with the United States government to conduct joint research on geothermal energy in the region.

In 1960, a team of geologists and engineers began drilling exploratory wells in the Cerro Prieto region. The first geothermal well was drilled in 1964, and by 1973, the first 50 megawatt turbine generator was installed and producing electricity.

Today, the Cerro Prieto Geothermal Power Station has a capacity of 720 megawatts, making it one of the largest geothermal power plants in the world. The power station has played a key role in Mexico's energy mix, providing a significant portion of the country's electricity needs.

The success of the Cerro Prieto Geothermal Power Station has spurred the development of other geothermal power plants in Mexico and around the world, demonstrating the viability of geothermal energy as a reliable and renewable source of electricity.


Cerro Prieto Geothermal Power Station - Demography

The Cerro Prieto Geothermal Power Station is located in the northern region of Baja California, Mexico, near the city of Mexicali. The power station is situated in the middle of the Sonoran Desert, and the surrounding area is sparsely populated.

The population of Mexicali, which is the nearest city to the power station, was estimated to be around 1 million people in 2021. The city is the capital of the state of Baja California and is located approximately 32 kilometers (20 miles) east of the power station.

The region surrounding the power station is primarily desert, with a few small towns and villages scattered throughout the area. The majority of the population in these towns and villages is engaged in agriculture, primarily the cultivation of crops such as cotton, wheat, and vegetables.

The demographic impact of the Cerro Prieto Geothermal Power Station is relatively limited, as the power station is located in a sparsely populated area. However, the plant has had a significant economic impact on the region, providing employment opportunities and contributing to the local economy through the purchase of goods and services.


Development of the Cerro Prieto Geothermal Power Station

The development of the Cerro Prieto Geothermal Power Station began in the late 1960s, when the Mexican government began exploring the potential of geothermal energy as a source of electricity. The site for the power plant was selected due to its location above a large geothermal reservoir, which was discovered during drilling operations for oil and gas.

Construction of the plant began in 1970, with the first stage of the project involving the drilling of production and injection wells to access the geothermal reservoir. This was followed by the construction of the power plant itself, which included the installation of turbines, generators, and other equipment necessary for electricity production. The first stage of the plant, which had a capacity of 180 MW, was completed in 1973.

A second stage of development was undertaken in the early 1980s, with the construction of additional generating units and other infrastructure to expand the plant's capacity to 720 MW. This involved the drilling of additional production and injection wells, as well as the construction of new transmission lines and substations to connect the plant to the national grid

Throughout the construction process, the Mexican government worked closely with international partners and private companies to finance and manage the project. This included partnerships with the United Nations Development Programme, the World Bank, and other international organizations, as well as collaborations with private companies such as Mitsubishi and Sumitomo.

Today, the Cerro Prieto Geothermal Power Station remains one of the largest geothermal power plants in the world, and continues to be operated by the Mexican Federal Electricity Commission (CFE) to meet the growing demand for electricity in the region. The plant has helped to establish Mexico as a leader in the development of geothermal energy resources, and has contributed significantly to the country's energy security and economic development.


Cerro Prieto Geothermal Power Station - Statisctic data

Here are some statistics related to the Cerro Prieto Geothermal Power Station:

StatisticValue
Total installed capacity720 MW
Number of turbine-generator units13
Capacity of each turbine-generator unit50 MW
Percentage of Mexico's electricity generation provided by the plant10%
LocationMexicali Valley, Baja California, Mexico
Land area18,500 acres
Year commissioned1973
Years in operationOver 50
Contribution to greenhouse gas emissions reduction in MexicoSignificant
Operational StatisticValue
Capacity720 MW
Number of units13
Commissioned1973-1975 (first stage), 1982 (second stage)
Energy productionApproximately 4.5 billion kWh per year
Lifetime energy production (as of 2021)Over 230 billion kWh
Geothermal wellsOver 150 production and injection wells
Size of the fieldApproximately 30 square kilometers
Depth of geothermal reservoirApproximately 1,200 meters
Operating temperature of the geothermal reservoirApproximately 300-350°C
Cooling water sourceSea of Cortez (Gulf of California)

Cerro Prieto Geothermal Power Station - Technology 

Here is a table summarizing some of the key technologies used in the Cerro Prieto Geothermal Power Station:

TechnologyDescription
Geothermal energy extractionWater is injected into geothermal wells to extract heat from the earth's crust. The heated water is then used to generate steam.
Steam turbinesThe steam produced by the geothermal wells is used to drive turbine-generators, which convert the thermal energy into electricity.
Cooling towersThe steam leaving the turbine is condensed back into water using cooling towers, which use air and/or water to cool the steam.
Electrical transformersThe electricity generated by the turbine-generators is stepped up in voltage using transformers to match the transmission grid voltage.
Control and monitoring systemsThe power station is equipped with various control and monitoring systems to ensure safe and efficient operation of the plant.

Cerro Prieto Geothermal Power Station - Financial and International Investment

The Cerro Prieto Geothermal Power Station was developed and is owned by the Mexican Federal Electricity Commission (CFE), which is a state-owned utility company responsible for the generation, transmission, and distribution of electricity in Mexico. The initial development and construction of the plant were supported by the United States government, which provided technical assistance and funding through the United States Agency for International Development (USAID).

The total cost of the plant's construction has not been publicly disclosed, but it is estimated to be in the hundreds of millions of dollars. The Mexican government has continued to invest in the plant's maintenance and upgrades to ensure its continued operation and reliability.

In recent years, there has been growing interest in geothermal energy as a reliable and renewable source of electricity, and the Cerro Prieto Geothermal Power Station has served as a model for other geothermal projects around the world. As such, there has been some international investment in geothermal projects in Mexico, including the Cerro Prieto plant. For example, in 2018, the European Investment Bank (EIB) provided a loan of €150 million to support the development of a new geothermal power plant in Mexico, which will be located in the state of Puebla and is expected to have a capacity of 25 MW.


Cerro Prieto Geothermal Power Station - Operator Company

The Cerro Prieto Geothermal Power Station is owned and operated by the Mexican Federal Electricity Commission (CFE), which is a state-owned utility company responsible for the generation, transmission, and distribution of electricity in Mexico. The CFE was created in 1937 and has since played a critical role in the development of Mexico's energy sector.

As the operator of the Cerro Prieto plant, the CFE is responsible for the day-to-day management of the facility, including the operation and maintenance of the power generation equipment, as well as ensuring compliance with environmental regulations and safety standards.

The CFE is also responsible for the development and construction of new power generation projects in Mexico, including renewable energy projects such as wind, solar, and geothermal power plants. The CFE's focus on renewable energy reflects Mexico's commitment to reducing greenhouse gas emissions and transitioning to a cleaner, more sustainable energy system.

The CFE's role in operating the Cerro Prieto Geothermal Power Station underscores the Mexican government's commitment to expanding the use of renewable energy sources and reducing the country's reliance on fossil fuels for electricity generation.


Contribution Cerro Prieto Geothermal Power Station for Energy Diversity in Mexico

The Cerro Prieto Geothermal Power Station has made a significant contribution to energy diversity in Mexico by providing a reliable and renewable source of electricity. The plant's 720 MW capacity represents a significant portion of Mexico's total electricity generation capacity and helps to reduce the country's reliance on fossil fuels for electricity generation.

By using geothermal energy, the Cerro Prieto plant has also helped to diversify Mexico's energy mix, which has historically been heavily reliant on oil and gas. The plant's operation has helped to reduce greenhouse gas emissions and other air pollutants associated with fossil fuel-based electricity generation, leading to improved air quality and public health outcomes.

In addition to its contributions to energy diversity and environmental sustainability, the Cerro Prieto plant has also played an important role in supporting economic development in the region. The plant has created jobs and generated revenue for local communities, and its operation has helped to stabilize electricity prices in the region.

The Cerro Prieto Geothermal Power Station has been an important contributor to Mexico's energy system, providing reliable and renewable electricity while supporting economic development and environmental sustainability. Its success has also served as a model for other geothermal projects around the world.


Conclusion for Cerro Prieto Geothermal Power Station Overview

The Cerro Prieto Geothermal Power Station is a significant contributor to Mexico's energy system, providing a reliable and renewable source of electricity while reducing the country's dependence on fossil fuels. 

With a capacity of 720 MW, it is one of the largest geothermal power plants in the world and has served as a model for other geothermal projects around the globe.

The plant's success can be attributed to a combination of factors, including its location in an area with high geothermal potential, the technical expertise of its operators, and the support of the Mexican government and international partners. The plant's operation has also had positive impacts on the local economy, creating jobs and generating revenue for the surrounding communities.

In addition to its contributions to energy diversity and economic development, the Cerro Prieto plant has also played an important role in advancing environmental sustainability. By using geothermal energy, the plant has helped to reduce greenhouse gas emissions and other air pollutants associated with fossil fuel-based electricity generation.

The Cerro Prieto Geothermal Power Station represents a successful and sustainable approach to electricity generation, highlighting the potential of renewable energy sources to meet the world's growing energy needs while minimizing their environmental impact