ICE or the CNFL: electric lighting of the public service administered by the Costa Rican Institute of Electricity (ICE) or by the National Energy and Light Company (CNFL).

ESPH or the JASEC: electric lighting of the public service administered by the Heredia Company of Public Services (ESPH) or the Cartago Administrative Board of Electricity Services (JASEC).

Cooperative: electric lighting of the public service administered by different cooperatives of the country such as Coopelesca, Coope Alfaro Ruiz, Coopesantos, or Coopeguanacaste.

Solar panel: the main source of electric lighting is obtained via a solar panel.

Other source: when the main source of electric lighting is obtained by means of a private plant, a bio digester or other that is not contemplated in previous categories.

No electric lighting: when another type of lighting such as kerosene, gas, candle, or others.