First I've read about this. Looks like an interesting, forward thinking technology. And the way it's being used in South Dakota, who gets 60% of it's power from wind turbines, the implementation is also smart. Where the heat from the batteries is being used by the Biofuel plant across the road. Who routinely generates the heat needed to convert corn from natural gas. Enough natural gas that could power tens of thousands of homes each day. So if this technology pans out (and others that are mentioned in the article) it could be a big win.
Free link to read article if anyone wants to:
Free link to read article if anyone wants to: