Caroline Palmer reports on a plethora of initiatives seeking to make use of the millions of EV batteries that are due to come offline for their valuable metals and energy storage potential
With investment from Sumitomo Heavy Industries and a UK government grant, things are looking up for the UK company's zero-emissions technology, which stores energy by turning air into a liquid. Mike Scott reports
Home to the world’s biggest battery, the state is a renewable energy powerhouse – something that looks unlikely to change under the new government, reports Brian Donaghy in Adelaide
Harnessing energy from the marine environment has proved expensive, but as expertise has grown costs have fallen. Combining battery storage with offshore wind will stabilise power and prices, writes Mike Scott
Michael Levitin reports on how a raft of new legislation, combined with lower costs, is leading to an explosion in storage capacity in the Golden State
Tesla boss Elon Musk was a major player in two of our 10 biggest stories of the year: the dizzying rise of electric vehicles and spectacular growth of microgrids