AEMO's 5-minute instruction to a registered unit specifying the MW output or consumption required for that dispatch interval.
Dispatch is AEMO's five-minute instruction to a registered unit telling it exactly how many megawatts to generate, consume or hold for that dispatch interval. AEMO runs a central dispatch process every five minutes: it takes the bids and offers submitted by every generator, battery and scheduled load, solves for the least-cost combination that meets demand subject to network and security constraints, and issues each unit a dispatch target it is obliged to follow.
For a battery, a positive dispatch target means discharge (injecting energy into the grid) and a negative one means charge (drawing energy from it), with the unit's FCAS enablement settled in the same run. Because dispatch happens every five minutes, a battery's behaviour over a day is a sequence of up to 288 of these instructions — the raw material from which NEMPulse reconstructs each unit's revenue, state of charge and bidding behaviour.
See also: Battery detail pages
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