The difference between distribution room and substation

From the question you asked, I feel that you work in a real estate company or an architectural design institute.

From what you have come into contact with, that is, from the perspective of residential buildings.

Power distribution room refers to the power inlet room of each building (high-rise, commercial), including residents, businesses and properties.

Substation is a computer room in your community. Outdoor municipal 10kV high voltage is introduced, and the transformer becomes 0.4kV.

Then it is led out from the low-voltage cabinet to the wiring room of the building. This substation is a comprehensive substation.