Hi Justin!
The short answer is no. The current entering - and simutaneously returning from - your house only reaches the last power transformer near your house! It does not extend beyond that to the other transformers, much less the generators at a power station.On the other hand, each transformer completes a closed current loop. The power station is also part of a closed loop. Each loop is chained to the next by transformers until a load in your home is part of the last loop.
I see that you are asking for some really fundamental level of understanding. So it is important to start discussion with the basics.
With both current and voltage together, you can transport *power* and achieve *work*. You simultaneously need both current and voltage.There is no practical circuit, with current flow, unless there is a closed loop. When the loop is open, there is no current flow. For example, when you connect a single phase AC power cord to a device you are connecting at least two wires. The current on the two wires are equal but opposite. The total current (entering and leaving) adds up to zero at all times. If you disconnect one wire, either wire, the current stops. Without both current and voltage you cannot transport *power* or achieve *work*. The important feature of AC power systems is that they can use transformers to raise the voltage (and lower the current). Or vice-versa. Voltage up, current down. Current up, voltage down. A fundamental feature of transformers is that input and output can be easily isolated by design. The input current is separated from the output current. These currents are separate streams. Their waveforms may be in lockstep, but are comprised of a separate set of electrons.Single phase AC loads are supplied by just two wires. The power transformer outside a residential house is a single phase AC load using a three phase AC supply. Perhaps ony two wires of the three phase system run past the transformer.Between the transformer and your house is *another power circuit*. Treat it as if it is dependent upon but otherwise isolated from the three phase AC system. This isolation is typical of most power transformers. So the current entering - and simutaneously returning from - your house only reaches the last power transformer! If you would like, here is more complexity:Transformers work best on alternating current, AC.Circuits that provide electrical power do not need to be grounded. That is how we can utilize power on airplanes, and all portable devices *insulated* from the ground, like cars.(Grounding of massive utility power systems is done for safety purposes, not to allow utilization or generation. In most states, only one of the utility load conductors is grounded at regular intervals every 500 feet or so, just for safety. This is the *grounded conductor* AKA neutral. The highest voltage circuits, run for extreme distances, are not grounded this way. In California, by legislation, the grounded conductor is not a load conductor. This mandate increases the number of wires, used by the utility, by one.)Large power systems were designed by Nicola Tesla as *three-phase* AC. He did this so there would be continuous smooth power transmission within the period of time of one AC cycle, so that torque was an inheirent property of three windings, so transformers could be used, and the minimum of three wires could be used for long distance power transmission. With three phase AC, there are three powered currents that continuously add up to zero. This can be conducted by three wires or four, depending on design. The loads can be single phase, three phase or any mixture.Three phase loads *need all wires* to supply current (3 or 4). Disconnecting a single wire is always a Bad Thing to do, as the load is designed to require all three (or four).