According to an analysis by the Natural Resources Defense Council (NRDC), large-scale solar developments produced 5 percent of all the electricity generated in the state in 2017. Residential rooftop solar accounted for another 1.5 percent of the state’s generation in that same time period, said Amanda Levin, a climate and energy advocate with the environmental group.
Utah is still catching up to other large energy-producing states in terms of total solar output. But as a percentage of total generation capacity, the state now draws a greater share of its power from the sun than all but three other U.