30 Oct '14, 4pm

German Experts Lock Horns over Storage

This capacity, experts agreed, was needed urgently to cover for solar PV and onshore wind production during periods of uncooperative weather, to obviate reliance on coal-fired plants to back up renewables, and to stabilize the growing supply of renewable energy in Germany’s system. After all, solar PV and onshore wind are the backbone of the Energiewende in the power sector, and will be in the future as Germany drives forward to switch to a renewables-based power supply. Different means of storage — pumped water, batteries, small-scale distributed , hydrogen, compressed air, Nord Link (a Norway-Germany cable) — are among the costly options that Germany is pursuing for electricity, heating, and transportation. Just recently, Germany’s minister for energy and economy, Sigmar Gabriel, proudly unveiled Europe’s to-date largest (and most expensive: $7.5 million) commercial batt...

Full article: http://www.renewableenergyworld.com/rea/news/article/2014...

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