When it comes to alternative ways of generating power, big may be better.
Wind, solar and other renewable-energy technologies that were once considered more appropriate for single homes or small communities are reaching levels of scale and centralizing that were formerly the province of coal- and gas-fired plants and nuclear reactors. In other words, green is going giant.
More to the point, Mr. Rifkin said, home-grown energy is going to be cheaper. “It’s a question of who owns and controls it at the end of the line,” he said. “If you own it on your own, it’s going to be at a cheaper price than if the utility company is going to sell it to you.”
Este es solo un breve resumen, siento que este en inglés, lo tenéis en: http://www.nytimes.com/2007/03/07/business/businessspecial2/07big.html?adxnnl=1&adxnnlx=1296248090-B3NnvkMvzwiiYcJl4rk0Fg
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