Electrical energy storage: challenges and new market opportunities

The last issue of Energy World (October 04) included a news item: 'UK need to invest in energy storage to make clean power work'. Here the originator of that story John Baker of EA Technology, provides a more considered overview of energy storage technologies in use and under development around the world - and the wide range of applications (including alleviating the effects of intermittent renewable electricity generation) to which they can be put.