Electricity ≠ Lightning
Most of the time, the speed of electricity they're referencing is the "electric signals" that are sent throughout your brain, wires, etc, which do move at the SOL. Electromagnetic waves are the signals, which is radiation, which moves at the speed of light.
If you plug your phone into a charger, then plug the other side in, the energy moves at A while the signal that it's charging moves at B.
The signal that moves at B is the electric signal, which moves at the speed of light.
The actual energy at A moves much slower.
That's the easiest way to explain it