The thermal power units are connected together through the Central unit. It is made from an aluminum structure and composite materials.

The central unit is composed of interactive interfaces, each equipped with different work stations, and a solar park on top of its roof.

Watly can be equipped with user-friendly water dispensers, multi-battery chargers, 3D printers, solar coolers, ultraviolet rays sterilization chambers, landing pads for drones,  super wide touch screens (for end-user registration and communications), multiple webcams and digital and facial recognition systems, plus different kinds of sensors.