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The prototype docs have moved to a new website with an improved format. This documentation page can now be found here: https://lua-api.factorio.com/latest/types/Energy.html

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Uses Types/string to specify the amount of electric energy in joules or electric energy per time in watts.

Internally, the input in Watt or Joule/second is always converted into Joule/tick or Joule/(1/60)second, using the following formula: Power in Joule/tick = Power in Watt / 60 (Units#Power).


buffer_capacity = "5MJ"
input_flow_limit = "300W"

Supported multipliers

Letter Multiplier
k/K 103 (1000)
M 106 (1,000,000)
G 109 (1,000,000,000)
T 1012
P 1015
E 1018
Z 1021
Y 1024