In the game "Soul Ferryman", the method to open the hospital power station is as follows:

1. Open the game and enter the game interface.

2. Come to the entrance of the hospital power station in the game interface.

3. Use the key to open the door of the hospital power station and enter the hospital power station.

4. After entering the hospital power station, the player can turn on the switch on the left to light the bulb, and then turn on the switch on the right to start the generator.

5. After completing the above operations, the power of the hospital power station will be turned on.

It should be noted that the hospital power station in the game requires the player to have the corresponding key to open it. If the key is not enough, it can be collected on the map or obtained by completing related tasks.