Or we could just stop spending trillions bombing each other and get back to work.
And sure, you can bury the cables, or you can try keeping the output of your powerplants secret. But then the infrastructure nerds (or foreign spies) just count coal hopper railway cars per day and analyze cooling tower dimensions.
A higher amount of distribution lines and substations are underground in dense urban cores and some residential areas, but there’s plenty of above-ground electrical distribution as well.
It’s akin to trying to hide how many skyscrapers exist in the US, they’re highly visible anyways, might as well publish the info so people and companies that live and operate in the US can take advantage of it.
The US government itself publishes more or less the same information: https://www.eia.gov/maps/