The dissertation aims to propose metrics to evaluate actions on sustainability in large users of electricity. Organizations have a responsibility to restrict their emissions of greenhouse gases – GHG. Thus, managing the implications of climate change is of great importance, as this action can generate sustainable advantages and at the same time meet the demands of stakeholders. In addition, this study evaluated the sustainability actions of relevance degree of large consumers of electric distributed by a utility company that serves 4.1 million consumers in the medium and high voltage (68 percent of the population and 66 percent of the gross internal product for the second most economically developed Brazilian state). A questionnaire was drawn up on 14 critical actions in climate strategies based on international benchmarks. To measure the progress of corporate climate strategies, data were collected through an online survey. The results, compared with studies conducted by international organizations, Indicated by proactivity index obtained , the responding companies recognize the importance of the topic , but plan to implement the medium and long-term actions of sustainability. Some sectors invest in short-term actions, with the prospect of a faster payback. The index of difficulty pointed out that companies do not measure the annual investments in actions for sustainability.