20
Hugh
Outhred: Wind Energy in the Australian National Electricity Market
NEM Pre-dispatch, dispatch & AGC
Offer & constraint
database
Instructions
to
participants
Forecast
sets of 30-min
spot prices
Set of energy &
AS spot prices
for next 5 min
Pre-dispatch
(24 hr projection)
Constrained
economic dispatch
(5 min. load forecast)
Continuously
updated security
constraints
constraints
(NEMMCO)
Day-ahead
Initial
offers
from participants
from participants
Continuously
updated offers
from participants
from participants
AGC
(2 second cycle)
SCADA