La revolución del precio de la energía solar

POTSDAM – Está en marcha una revolución silenciosa. El pasado mes de noviembre, Dubai anunció la construcción de un parque de energía solar que producirá electricidad por menos de 0,06 dólares por kilovatio-hora, inferior al costo de la opción de inversión substitutiva, la de una central eléctrica de carbón o de gas.

La  central, cuya entrada en funcionamiento se espera para 2017, es otro anuncio de un futuro en el que la energía renovable desplazará los combustibles fósiles. De hecho, parece que apenas pasa una semana sin que haya noticias de un gran acuerdo para la construcción de una central eléctrica solar. Tan sólo en el pasado mes de febrero, hubo anuncios de nuevos proyectos de centrales eléctricas solares en Nigeria (1.000 megavatios), Australia (2.000 MW) y la India (10.000 MW).

No cabe duda de que esas novedades son positivas para la lucha contra el cambio climático, pero la más importante consideración que las impulsa es el beneficio, no el medio ambiente, pues el aumento de la eficiencia en la distribución de la energía y, en los casos necesarios, en el almacenamiento reduce el costo de la producción de energía renovable.

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