oecd economic surveys brazil isbn 92 64 00747 4 2004 1 mt79mt82mt71mt65mt78mt73mt83mt65mt84mt73mt79mt78mt32mt68mt69mt32mt67mt79mt79mt80mt201mt82mt65mt84mt73mt79mt78mt32mt69mt84mt32mt68mt69mt32mt68mt201mt86mt69mt76mt79mt80mt80mt69mt77mt69mt78mt84mt32mt201mt67mt79mt78mt79mt77mt73mt81mt85mt69mt83 mt79mt82mt71mt65mt78mt73mt83mt65mt84mt73mt79mt78mt32mt70mt79mt82mt32mt69mt67mt79mt78mt79mt77mt73mt67mt32mt67mt79mt45mt79mt80mt69mt82mt65mt84mt73mt79mt78mt32mt65mt78mt68mt32mt68mt69mt86mt69mt76mt79mt80mt77mt69mt78mt84 survey of 2005 regulation the electricity sector this is an excerpt from chapter 3 background and main issues has a modern industry depends heavily on hydropower accounting for nearly 80 per cent generation capacity figure 2 90 generated in 2003 largest water storage world one transmission networks given long distances between power stations consumers need back up circuits to ensure alternative supply routes optimal regional balance both private government owned companies operate distribution eletrobrás controlled by federal three other state account half hand more than two thirds distributors are privately grid run collegiate players producers through ministry mines energy