“Green Mountain Power, which serves nearly ¾ of all utility customers in Vermont, is ramping up its plans to use only renewable power by 2030. The company has been a leader among US utilities when it comes to addressing the emissions created by generating electricity by conventional means…”

Source:
https://cleantechnica.com/2019/05/01/green-mountain-power-plans-100-renewables-by-2030-with-help-from-tesla/