• LED lighting is coming down in price, but it is still more expensive than conventional systems, which affects up-front costs of construction or renovation.
• Looking at total building-life costs reflects the lower energy consumption and longer life of LED elements in a lighting plan.
• LEDs also offer corporate clients calculable and public relations benefits by reducing the carbon footprint of buildings.

From the article:

Cost and functionality have traditionally been two big hurdles for the widespread use of LED lighting technology in commercial buildings. ...