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50 percent of traffic lights use solar energy in the metropolitan area of ​​Costa Rica

Half of the traffic lights in the metropolitan area of ​​Costa Rica are already powered by solar energy, which will allow an 80% saving in the electricity expenditure of these devices, reported today. government.

San José, Nov 24 (EFE) .- Half of the traffic lights in the metropolitan area of ​​Costa Rica are already powered by solar energy, which will allow 80% savings in electricity spending in These devices, informed the Government today.

The Ministry of Public Works and Transport (MOPT) reported that it formally received the works of the III phase of placement of solar traffic lights, which required an investment of 3 million dollars.

In total, the cities of San José, Alajuela, Heredia and Cartago, which make up the metropolitan area, they already have 235 traffic lights that work with solar panels, which allows them to continue operating in the event of power cuts.

In addition to the solar panel, the traffic lights have batteries lithium that give them an autonomy of 14 hours in the absence of sunlight.

The devices also work with the conventional electrical system in case of low radiation or lack of load.

As projected by the MOPT, 100% of the traffic lights in these cities (474 ​​today) will work with solar energy in the year 2022, when the three phases are completed remaining of the project.

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