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||Prices for photovoltaics have dropped from $40,000 per watt in the early 1960s to $6 per watt today.
||renewable energy solar power economics electricity
||The world's largest single wind power plant with 257 750kW turbines, was dedicated in September in Iowa.
||renewable energy electricity
||The largest solar cooker in the world can be found in Taleti, India. It can cook 33,800 meals a day and boil 3,000 liters of water using 84 parabolic mirrors to generate steam.
||renewable energy solar power