Although widely expected for several months, Tesla’s launch of the PowerWall, a lithium ion battery based home energy storage system, has generated a huge amount of publicity and discussion in the media and in the power industry. Tesla’s CEO, Elon Musk, presented the PowerWall as a key component for enabling greater use of locally generated solar power, allowing homes to go off-grid, as well as a solution to electrify regions in emerging markets with no or limited grid access. [...]
