Cleantech Open


Alphabet Energy is marking a major milestone today in the thermoelectric startup’s progress from a Lawrence Berkeley National Lab spinoff.

Alphabet Energy, founded in 2009 after 10 years of research development, aims to become the leader in an estimated $100 billion global market for products that convert medium- to high-grade waste heat into electricity. Keep reading →


The promise of riches and recognition bring entrepreneurs to the Cleantech Open each year; the contest has become a bellwether for industry trends, so that even established players are paying attention.

Since 2006, some 400 alumni have competed in the Cleantech Open. Last year there were 93 competitors and this year there are 150. Its 400 alumni have raised over $280 million in private capital, 80% remain economically viable today, and more than 2,000 new clean technology jobs have been created. Keep reading →