Purpose – The purpose of this paper is to describe the development of electric lamp renewal systems, an early, successful program to encourage the adoption of new technology, electric lighting. Design/methodology/approach – Much material for the research comes from a variety of archival sources and publications of the early part of the twentieth century. Findings – The free lamp renewal system was brilliant and effective: its high level of customer service and human contact dispelled fear raised by the new energy source, increasing the acceptance and use of electric lighting and thereby electricity. Lighting, in the absence of electrical appliances, was one of the few users of electricity. Thus, the electric companies created a marketing st...