Energy access has been singled out by the AGECC in 2010 as one of the important problems to be tackled in the next few decades in a world where 1.3 billion people do not have access to electricity and 2.7 use primitive fuels - mainly fuel wood - for cooking and heating. To solve such problems, innumerous small scale projects have been implemented around the world either on the improvement of cooking stoves, biogas and others, as well as in generating electricity in decentralized systems. We discuss here the "large scale approach" to solve these problems in Brazil through the introduction of LPG (liquid petroleum gas) in Brazil 70 years ago, all over the country, as a cooking fuel that replaced significantly the use of fuel wood in rural areas. In addition to that, we describe the governmental program (Luz para Todos - LPT - Light for all) introduced more recently to extend the electricity grid to around 10 million people, reducing considerably the number of people without access to electricity in the rural areas of the country. Such experiences and the corresponding lessons learned could be replicated in other developing countries, contributing significantly to poverty alleviation. (C) 2013 Elsevier Ltd. All rights reserved.