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Peru begins operation of the country's largest solar plant, located in Arequipa

New photovoltaic infrastructure entered commercial operation this month and has more than 250 MW of capacity

SOLAR CHANNEL - Peu starts commercial operation of the country's largest solar plant in Arequipa

San Martín Solar Plant, in the province of Arequipa. Photo: Osinergmin/Reproduction

Peru took an important step towards the energy transition with the start of commercial operations at the San Martín Solar plant on June 7 of this year.

Located in the district of La Joya, in the province of Arequipa, the project has a capacity of 252,4 MW and began supplying energy to the SEIN (National Interconnected Electrical System).

Developed by the Spanish company Zelestra, the project is considered the largest of its kind in the country and has the potential to supply more than 440.000 homes per year. Construction began in early 2024 and required an investment of US$179,7 million.

The plant utilizes approximately 930.000 photovoltaic modules of 665 Wp, equipped with a single-axis tracking system, and occupies an area of ​​over 800 hectares in a region with high solar incidence and an arid climate.

The project's electrical infrastructure also includes 32 transformer substations, each equipped with eight inverters, a transformer and medium voltage cells. It is estimated that the operation of the plant will prevent the emission of approximately 564 thousand tons of CO₂ per annum.

With the aim of reaching almost 3 GW by 2028, Peru is developing 14 large photovoltaic projects, which will represent a significant leap in the adoption of clean energy in the country's electricity matrix.

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Henrique Hein
About the Author
Henrique Hein

He worked at Correio Popular and Rádio Trianon. He has experience in podcast production, radio programs, interviews and reporting. Has been following the solar sector since 2020.

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