Energy grids and utility industries are highly centralized. To buy gas, fuel, and electricity, we have to go through public grids or authorized private corporations. Even the producers have to go through highly regulated channels to sell basic utilities. The blockchain can disrupt this monopoly as well, by bringing peer-to-peer utility share frameworks.
RWE, a German power company, has partnered with Ethereum-based blockchain start-up, Slock.it, to develop decentralized car charging stations for electric cars.