The U.S States with The Cleanest Power Grids

As renewable capacity additions in the United States soar, two states already have solar and wind accounting for more than half of their utility generation capacity.   These aren't the biggest states by absolute capacity additions, i.e., California and Texas. Wind and solar installations are surging in these two states, but they aren't the ones with the biggest shares of renewables in their generation capacity.   The top U.S. states with more than 50% of their generation capacity coming from wind and solar are Iowa and New Mexico, per…