Avaliação de uso de combustíveis lenhosos e de outras fontes de energia no Posto Administrativo de Sabié, Distrito de Moamba

Abstract

The present work had as a general objective to determine the patterns of the use of wood fuels and other sources of energy in the main town of PA de Sabié. The work was carried out over a period of 15 days, in April 2013. The methodology used to carry out this study followed the following structure: characterization of the study area; sampling procedures; data collection; data processing and analysis of results. The results indicated that in the headquarters town of Posto Administrativo de Sabié the different sources of energy used for domestic purposes are: firewood, coal, electricity and oil. The most widely used wood fuel is wood with 95% of households, followed by electricity with 92%, charcoal with 71% and finally oil with 4%. Firewood-charcoal was a combination of energy sources most frequently used by 52.56% of households and the least used was petroleum-charcoal with 1.28%. The unit costs observed for wood fuels (0.19 Mts / Kwh for firewood and 1.06 Mts / Kwh for charcoal) were lower than those for electricity 2.55 Mts / Kwh. The global annual consumption and annual energy expenditure from different sources for domestic use and agriculture in the main village of Sabié was estimated at 10 936 692 Kwh and 3 045 685.00 Mts respectively. It was concluded that in the headquarters town of Sabié Administrative Post there is a high demand for wood fuels and there is an urgent need to establish a strategy for obtaining firewood and charcoal in a sustainable manner, including the promotion of alternative energy sources and technologies. (TRADUÇÃO NOSSA)