"We project that the ESCO industry in aggregate will have annual revenues of $7.13 billion in 2011; this represents an average annual growth rate of 26% per year for the 2009-2011 period. ESCOs are quite optimistic about their business prospects over the next 2-3 years, even though the economy is just beginning to recover from a severe recession."

- Lawrence Berkeley National Laboratory & National Association of Energy Services Companies, June 2010