NSW ‘Market Demand’ climbs past 13,000MW – and IRPM drops – but prices stay moderate

A snapshot of NEMwatch at 17:50 (NEM time) shows a number of things:


With respect to the numbered annotations:

1)  The NSW ‘Market Demand’ has climbed further into the ‘orange zone’:

(a)  past 13,000MW to 13,031MW at this dispatch interval

(b)  So 1,618MW below the all-time record of 14,649MW (which occurred on 1st February 2011);

2)  The NSW spot price, however, remains subdued … in contrast to earlier P30 predispatch forecasts:

(a)  At $283.68/MWh currently

(b)  with the highest point today being (only) $662.97/MWh

3)  The IRPM of the ‘NSW-QLD’ ‘Economic island’ has dropped to 14%:

(a)  With available generation of 25,539MW across those two regions

(b)  supplying the 22,321MW aggregate ‘Market Demand’ in the same

(c)  Because VIC1-NSW1 interconnector is constrained.

4)  Indeed we see that the interconnector’s not running in either direction at present:

(a)  Import Limit = Export Limit = Target Flow = 0MW

(b)  Not shown here, but this is due to a number of constraint equations:

i.  Exports (i.e. flow north) are limited to 0MW by the ‘N>>NIL_970_051’ constraint equation

… there’s that 051 line again, which Allan wrote about in ‘What’s happening around Wagga?’.

ii.  In this particular dispatch interval, imports (i.e. flow south) are also switched off by the ‘NRM_NSW1_VIC1’ constraint equation (i.e. for negative residue management).

5)  The NEM-wide ‘Market Demand’ has climbed to 29,666MW.


That’s all for now…

About the Author

Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time. As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.

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