Many developing countries lack the legal and financial framework to enforce the complex contractual models required for ESCOs (Sarkar and Singh 2010). International ESCOs, while initially eager to operate in developing countries, acknowledge that many prospective customers require more time and capacity-building to adequately understand and accept such models, and customer credit-worthiness and local credit are not assured (Sarkar and Singh 2010). Preparing information and building the institutions needed to formulate, institutionalize and implement industrial energy-efficiency policies and programmes all have costs, something not always considered in policy measure discussions (UNEP 2006a, WEC 2008).