Is it possible for utilities to provide 100% renewable energy?

Xcel Energy is an electric utility based in Minneapolis, Minnesota. It serves more than 3.3 million electric customers throughout Colorado, Michigan, Minnesota, New Mexico, North Dakota, South Dakota, Texas, and Wisconsin. Xcel has a goal of delivering 100% carbon free electricity by the year 2050. As of 2018, their delivery was 38% carbon free, and by 2030, Xcel hopes to deliver 80% carbon free electricity before reaching their ultimate goal of 100% carbon free by 2050. 

On a brisk Saturday morning, residents from across Southeastern Massachusetts came together along the shoreline of the Mt. Hope Bay to watch the demolition of the two Brayton Point cooling towers.