I think the problem is that it's early days with larger grid-scale batteries, and deployments are limited so far, but I expect this will change quickly. One exa

I think the problem is that it's early days with larger grid-scale batteries, and deployments are limited so far, but I expect this will change quickly. One example project that's rolled out is in Australia: http://money.cnn.com/2017/12/01/technology/tesla-battery-south-australia/index.html http://money.cnn.com/2017/12/01/technology/tesla-battery-sou...