"We're trying to get to the main Power Room so we can physically cut the power to the self destruct."
Evan Lorne[src]

The main power room is the location of the cities main power distribution and control systems. This room is located in middle of the Atlantis control tower at least 6 levels down from Stargate Operations. This room also houses several Naquadah generators. This room is where the main power can be switched off locally for the entire city if there is not remote access.

In 2008, during a citywide malfunction, Dr. Radek Zelenka was able to use the ventilation shafts to gain access to this room and reset the systems. (SGA: "Quarantine").

From this room, Zelenka also shut down the city's systems to try to contain the problems that would happen when the digitally ascended Asurans arrived. (SGA: "Ghost in the Machine")

Main power room switches

Main Power Switches

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