In March 2007, Europe's first commercial concentrating plant was opened near the sunny city of . The 11 MW plant, known as the, produces electricity with 624 large heliostats. Each of these mirrors has a surface measuring 120 square meters (1,290 square feet) that concentrates the Sun's rays to the top of a 115-meter (377 feet) high tower where a solar receiver an.
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Faced with the threat of rising energy prices and a volatile market, Buenos Aires decided to become a leader in energy efficiency by embarking on this four-year street light retrofit project. The most efficient wa.
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