Images: What's in store for power grid storage

What if the same lithium-ion batteries that store a charge in your laptop or your hybrid car were deployed onto the grid? That's what A123 Systems is doing with utilities right now, according to a company executive. Megawatt-size batteries, which would be assembled from smaller batteries like these, are being developed with General Electric, an investor in A123 Systems.

Photo by Martin LaMonica/CNET News.com

Caption by Martin LaMonica