John Overmyer

¿Podría el sol salvar a Grecia?

BRUSELAS – El ministro alemán de Hacienda, Wolfgang Schäuble, ha señalado que el desarrollo de recursos energéticos verdes sería una forma adecuada para crear un crecimiento económico muy necesario en Grecia. En el papel, parece una solución perfecta para los terribles problemas fiscales del país: según Schäuble, Grecia podría exportar electricidad solar a Alemania.

A primera vista, la de monetizar un recurso natural abundante (la energía solar) para fortalecer las cuentas nacionales parece una idea lógica, en particular en vista de que la electricidad en la Europa central y septentrional está volviéndose más escasa y cara a consecuencia de la decisión adoptada este año por Alemania de eliminar progresivamente la energía nuclear, pero, ¿de verdad ha encontrado Schäuble una bala mágica para rebajar los precios de la electricidad en Alemania y al tiempo restablecer el crecimiento económico en Grecia? Sí y no.

En primer lugar, la mala noticia: la electricidad actualmente producida en las instalaciones fotovoltaicas dista de ser competitiva en materia de precios con las tecnologías tradicionales. La “paridad con la red” –en el sentido de que el costo de la electricidad producida por una placa solar en un tejado sea igual al de la electricidad procedente del enchufe en la pared– no se conseguirá hasta mediados de este decenio.

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