
US researchers have made an important step forward in the quest to store electricity from intermittent energy sources such as wind and solar.
A Harvard University team came up with a way to drive down the cost of flow battery technology, which is capable of storing energy on large scales - within an electrical power grid, for example.
Grid-scale storage for renewables could be a game-changer - making wind and solar more economical and reliable.
See full Article: http://www.bbc.co.uk/news/science-environment-25674738