The Grid’s the Thing

The New York Times identifies a key barrier to exploiting renewable energy: the fractured state of America’s transmission grid. Eventually, Congress may have to invoke its power to regulate interstate commerce to sort things out:

Politicians in Washington have long known about the grid’s limitations but have made scant headway in solving them. They are reluctant to trample the prerogatives of state governments, which have traditionally exercised authority over the grid and have little incentive to push improvements that would benefit neighboring states.