Power Shaft

The Power Shaft is the fundamental building block of every colony's electrical grid, available to both factions from the start at no Science Point cost. Costing just 1 Log to build, it serves a single purpose: transmitting mechanical power from generators to the buildings that consume it. Every Power Wheel, Water Wheel, Wind Turbine, Engine, and Geothermal Engine must be connected through a network of Power Shafts to deliver energy to workshops, science buildings, and other powered structures. Without Power Shafts, even the most powerful generators are useless.

Building an efficient Power Shaft network requires thoughtful planning. Each shaft connects horizontally to adjacent shafts and compatible buildings, forming a continuous power grid. For vertical connections, players can use Vertical Power Shafts (which cost 2 Logs, 2 Planks, and 1 Gear, and require 40 Science Points to unlock) to route power up and down between different elevation levels. Laying out your shaft network early, before placing generators and consumers, prevents costly rearrangements later. A well-organized grid with minimal wasted shafts saves both resources and space.

Power Shafts interact with several other power infrastructure buildings. The Clutch can be placed inline to allow players to connect or disconnect segments of the grid on demand, while the Gravity Battery stores excess energy for later use. When designing large colonies with multiple districts, running dedicated Power Shaft trunk lines between districts ensures reliable power distribution. The humble Power Shaft may lack the visual spectacle of a Large Water Wheel or a Geothermal Engine, but it is the connective tissue that holds every colony's power system together.