Electrical suppliers short on voltage, regulator says

Autoridad Reguladora de Servicios Públicos graphic
Chart shows the percentage of voltage problems in each firm.

Voltage problems cause failures of lights and electronic devices, so expats might want to measure the power that is coming into their homes and offices.

The nation’s regulatory agency did and found that the major power suppliers had significant variations from the acceptable voltage.

Of 23,600 measurements of the major electrical utilities from 2003 to 2012, the Autoridad Reguladora de Servicios Públicos found that 26, percent of the time the voltage was outside acceptable limits, it said Friday.

The Instituto Costarricense de Electricidad had 41 percent of the measurements outside the acceptable range, and the Compañía Nacional de Fuerza y Luz had 40 percent. The two firms supply 79 percent of the electrical power in the country.

The Junta Administrativa del Servicio Eléctrico Municipal de Cartago led all the other firms with outages.

Low voltage causes appliances to struggle and to run hot. Computer users should have a device to regulate the electrical flow to protect their investment.

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