An individual can take action now whereas the grid scale action is molasses like. It's even worse when your state is not in the pocket of but the actual pocket of Big Oil
It may or may not make sense depending on your location. Many utilities would prefer to make customer-owned solar a very poor financial choice thru rate design (e.g. very high minimum charges, per-kw-installed solar charges, low daytime rates relative to evening rates, wholesale-rate compensation for exported production, etc). Some succeed.
If household power purchase price doesnt change with time/generation cost, then there is not ability to act faster than the power company.