19 Mar '13, 2pm

Energy Storage Series: Making the Case for Batteries

Pike Research says nearly 56 gigawatts (GW) of "long-duration" bulk energy storage for the grid (ESG) will be installed from 2012-2022. Installations of energy storage for "ancillary services" alone (things like scheduling and dispatch, reactive power and voltage control, system protection) will increase more than ten-fold to surpass 3.5 GW in that timeframe. We recently ran a story looking at several of these options , and some companies with new technologies in each area. Pumped hydro has been the go-to energy storage option proven to work at fully-deployed grid scale. Compressed energy, meanwhile, is fairly cheap where it can be deployed appropriate to grid-scale applications, using geological formations (caves or caverns) that can be relatively well sealed off. Batteries are getting some utility-scale attention now, too. Duke Energy's 153-MW Notrees wind power project ...

Full article: http://www.renewableenergyworld.com/rea/news/article/2013...

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