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Power

Power and Distribution

Who gets power first, why districts are supplied all or nothing and how to spot shortages.

Grid technician

Next to money, power is the second big bottleneck. Without power hardly anyone moves in, no mine works and no service protects the city.

Energy flow: each arc shows how much power flows from a plant to where

Who needs power

ConsumerDemand
Housing10 kW per tile and floor
Trade2 times as much as housing
Industry5 times as much as housing, depending on the business
Pig iron mine at full load3 MW
Blast furnace at full load15 MW
Hospital3 MW
Police, fire station1 MW each

Warehouses, access towers and most VIP buildings need no power.

The order

If power is not enough for everyone, the game distributes it in three stages:

  1. Services, all or nothing: hospital, fire station, police, bus stop, school, cinema, university, concert hall, casino, stadium, arena, park.
  2. Plants such as mines, blast furnaces and the lab all get the same share. A mine with half its power produces half its load.
  3. Districts, all or nothing, smallest first. A district either has power or it does not.

Consumers that can only be reached via an energy relay come after everything supplied directly.

Reach

A consumer only gets power from plants that reach it. If several plants are in range, they pool their output. Whatever lies outside every range has no grid (Power Plants).

Power reserve

New houses only appear if the power plant still has their full demand to spare. That way a whole district never goes dark when they finish. Without reserve only trailers appear.

Spotting shortages

  • The Free Energy tile shows output and demand, hover for all problems.
  • Click a power plant: the list "Who gets what" shows services, plants and districts with their megawatts. Arrows on the map show the flow, red for "missing", orange for "partial".
  • A yellow lightning sign hangs over buildings without enough power.
  • In the energy menu, "Show energy flow" displays all flows in the whole city at once.
Energy menu
The energy menu: output, demand, reserve and buildings with problems
Missing power
A red arc shows how much power a district is missing