Houston Chronicle: According to U.S. renewable energy statistics from 2007, the most recent year available: * It met about 7 percent of U.S. energy needs. * Electric power production used 51 percent of all renewable output * Hydroelectric sources comprised 71 percent of renewable power production, followed by biomass (16 percent), wind (9 percent), geothermal (4 percent) and solar (0.2 percent) Source: Energy Information Administration Never mind the fall in oil prices. …