Although the Smart Building Smart Grid Interface business is still in its infancy just a quick take on the strategic acquisitions that have been made over the last 2 years makes a strong statement that the world’s major suppliers see this as a great opportunity to extend their business for they have invested heavily in its future. The major suppliers to the Smart Grid market, whilst confident about its long term future have for a few years realized that there could be some long delays in its development. Their concerns have hinged around the immense technical and commercial challenge that the electrical utility companies face and their capability to finance it at a time when the regulators would be very reluctant to let them increase their tariffs sufficient to even facilitate the borrowings, let alone get a satisfactory return on their investment.