From the Center for American Progress:

In this paper, the Center for American Progress and Energy Resource Management look at state regulations and incentives for energy efficiency that are working today in leading states to accelerate demand for energy efficiency services, businesses, and ultimately jobs. As this market rapidly grows in coming years, states that have put in place strong policies for energy efficiency will be best positioned to capture these new employment opportunities for construction workers in clean energy. Despite the growing state leadership documented here, however, more must be done to capture the full potential of energy efficiency to serve as a national engine of reinvestment and job creation.

Read more here.