This case study documents an entrepreneurship model applied by Technology Informatics Design Endeavour (TIDE) to meet the energy needs of informal industries in the states of Karnataka, Kerala, Tamil Nadu and Andhra Pradesh (India). The model and disseminated energy-efficient technologies seek to improve end user productivity, profitability and the employee working environment. During 1998-2009, TIDE disseminated 11,840 energy-efficient industrial stoves, dryers and kilns, improving the life of at least 135,000 people.