Cuba has an energy policy whose core concept is to rely less and less on hydrocarbons and give greater space in the energy balance to renewable sources like solar, wind, tide, and water. Cuba has put in place a conservation system that starts at house level and continues to the public sector and cooperative farms, by substituting incandescent lamps by fluorescent bulbs, distributing energy-saving household appliances, and revamping the national power grid Prensa Latina news service, June 8.