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2. Bloomberg (2013b), "Energy Storage Valuation Study: Germany,” Bloomberg New Energy Finance, July 9, 2013
3. Bloomberg (2013c), “Energy Storage Valuation Study: UK,” Bloomberg New Energy Finance, January 9, 2012
4. Bloomberg (2015a), “Energy storage competitive landscape 2015 review,” Bloomberg New Energy Finance, August 6, 2015
5. Bloomberg: Goldie-Scot, L. (2015b), “Good news for European energy-storage providers,” Bloomberg New Energy Finance, December 10, 2015