SunPower Corp. agreed to provide electricity from a 100-megawatt solar farm to help power the subway system in Chile’s largest city.

Power from the El Pelicano Solar Project will provide as much as 60 percent of Metro of Santiago’s total energy needs, San Jose, California-based SunPower said in a statement Monday. The subway network serves 2.2 million passengers a day. Construction on the solar farm will begin this year, and it’s expected to be complete next year.

The deal means Metro of Santiago will be the first public transport system to operate mostly on solar power, according to the statement. SunPower will design and build the solar farm. The company is majority owned by the French oil company Total SA.

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