“Most of the world’s power grids will be upgraded in the coming decade. That means millions of smart meters and related gear, and numerous openings for new technologies, services and business models. The market they are creating is vastly more interesting than the old dumb grid, and should spawn some great growth stocks.”
Clean Money: Picking Winners in the Green-Tech Boom 
The world’s electricity grids are in need of modernisation. Most national power grids use technology invented in the 19th century and the whole infrastructure is hugely inefficient, with up to 20% of all electricity generated lost in transmission.
The shortcomings of the old-fashioned, largely electromechanical electricity grids ...