Can IT help consumers save 15% off their electricity bill?

Can IT reduce the amount of investment in the electricity grid and push this money elsewhere? (pdf)

Can IT help reduce waste in terms of green house gases and consumer consumption?

The answer seems to be yes, well a maybe anyway.  This new low impact video from IBM tells a story about the start of making smarter utility grids (electricity and water) and evolving to smarter cities, pretty inspiring stuff.