The Water and Power Puzzle is a puzzle found within the Toluca Lake Water and Power facility in Silent Hill: Homecoming. It is located in Central Silent Hill, to enter the building the player must first have obtained the Lake Water and Power Key from the Toluca Lake Offices. The puzzle must be solved in order for Alex Shepherd to enter Overlook Penitentiary and rescue Deputer Wheeler. The puzzle consists of shutting down the machines that generate electricity to cut the power. All three machines must be shut down in the correct sequence, otherwise the machines will simply reset.