Storage capabilities being developed for renewable energy resources have the potential to dramatically transform the global energy sector, as they provide the ability to balance electricity supply and demand. The most crucial role could prove to be the ability to boost the flexibility of renewable energy power sources. Batteries can solve the reliability challenge posed by variable renewable energy sources, by storing excess electricity produced at times when wind and solar projects are idle. As the share of renewable power in global energy mix increases, so will the value of battery powered storage projects. At Aquila Capital we firmly believe that new renewable projects will increasingly be coupled with batteries, owing to the value of their enhanced flexibility.