It is very much possible, especially where there is a distance between the place of production & consumption and the consumption center has a concentration of large power consumers.
Whilst sharing always has a dimension of fairness, the idea that this is particularly relevant to power consumption is a myth. The technology to replace fossil fuels by renewable energy is well developed, and it is time to build the installations. And face the financial consequences of fossil fuel reserves and installations being stranded assets. Website: RediscoveringSustainability.org.uk