The document is a survey of 758 cleantech startup executives that highlights opportunities and challenges in the industry. According to the survey: - Over half of respondents said business conditions in 2012 were better than 2011 and most believe 2013 will continue improving. - The transition to smart energy grids presents a major market opportunity for cleantech companies' products and services. - Top challenges include increasing customer understanding of energy efficiency savings and reducing product costs to boost competitiveness and profits. - Most companies plan to hire more employees this year but finding skilled workers remains difficult due to high salaries and benefits.