Mr Nelson was formerly executive vice president and COO of First Solar, a manufacturer of thin film solar photovoltaic modules.

Mr Nelson has more than 20 years experience in managing the transition of technology companies from product development to commercial success. In his capacity as an executive of the company, Mr Nelson will assist the company in the development and execution of its marketing and manufacturing strategies.

Michael Carten, CEO and a co-founder of Sustainable Energy, said: Greg adds significant capability to our company with his experience in managing global development and sales initiatives for technology companies as well as his understanding of the solar power industry. We are very excited about working with him on our next phase of growth.