NO - a lot of electricity gets wasted in National Grid - I think about 30-40%, if those power stations were closer to end points then less power generation would be needed.
Most of that leakage could be eliminated by using
superconducting cables.
As for nuclear power, it seems to me by far the simplest solution, which eliminates the risk of catastrophic radiation leaks caused by accidents or attacks (by terrorists or countries), and avoids ending up with plants having to be dismantled and high-level waste needing disposal, is to build nuclear plants deep underground:
Just tunnel two or three miles into basement rock, e.g. granite and basalt, and install reactor cores in shafts off the main tunnel. These could be a lot simpler and more compact if necessary than a reactor on the surface, especially if unmanned, and at the end of their lifetimes one could just seal their shafts and leave them (quite possibly for future generations, with more advanced technologies, to dispose of or even make further good use of as they see fit).
This also uses less space on the surface, especially if several such buried reactors could feed output energy to the same surface station.
Naturally the tunnel would be quite expensive up front to dig, and equip the necessary infrastructure such as coolant pipes and power cables. But if one tunnel could be used with lots of "offshoot" shafts, one would gain economies of scale.
Also, as diamond miners know, tunneling several miles into the Earth's crust gets noticeably hot. So circulating coolant could double up to produce thermoelectric (based on temperature difference) or even geothermal energy.
To prevent a meltdown of one reactor trashing the whole underground complex, the best design would be a vertical entrance shaft (or possibly more practically a spiral ramp), then have long horizontal shafts running off this, and have each reactor in further vertical shafts off the latter, with a large plug of rock suspended over each reactor shaft. At the first sign of a meltdown, or to seal a spent reactor, they could then flood the affected shaft and detonate charges symmetrically round the top of the plug so the latter would break free and fall over the top of the shaft. Bang! - sorted!
OwlHoot in "sooner or later they must dig the tunnels anyway, to bury the waste" mode