Energy storage is a US$620 billion investment opportunity to 2040, says BloombergNEF 6 November 2018 Tumbling costs of battery storage systems between 2018 and 2030 will transform the economic case for batteries.Author: Capt. Johnhttps://www.tanksterminals.com/storage-tanks/06112018/energy-storage-is-a-us620-billion-investment-opportunity-to-2040-says-bloombergnef/