The smart energy paradigm is gaining traction worldwide, opening a window of opportunity for transformation. A number of convergent market drivers are leading to expanded availability and increasing revenue opportunities across the smart energy continuum. These drivers include the rising costs of maintaining the current energy system as well as regulatory and policy initiatives in many countries around the world. According to a new report from Pike Research, total revenue from smart energy and smart energy storage reached $222 billion in 2011. By 2015, the cleantech market intelligence firm forecasts, total market value will be $420 billion — an increase of 90% in just four years.