This technical report published by the Electric Power Research Institute in 2002 offers the best available nationwide assesment of the energy needed to provide and treat drinking water in the United States. This is the report that most organizations, including River Network, use to determine the amount of energy consumed by the water sector. It offers loads data on water-related energy use for a variety of sectors in the American economy, as well as projections of how much energy will be needed to meet future water demands. For full report, click here (PDF 1MB) or on the image below.