Following a heads up from Dan to Keep an eye on the SA Cumulative Price this evening on Wednesday 2nd July 2025 we are keenly watching the market this evening.
High prices for SA were projected in the days and hours leading up to this evening. Key drivers include the light wind conditions and cold clear-sky temperatures in the state.
Right now, a dive in 30-minute wind availability in SA has occurred – down to low levels – yet remaining consistent with the general expectation of low levels in the near-term predispatch forecast.
Forecast convergence at 18:25
Energy prices in SA have been lumpy. Intervals 17:30, 17:40, 17:50 and 18:00 have nudged or pushed well past the 1,000 $/MWh mark.
The present situation is captured in this swim lanes screenshot:
The predispatch outlook suggests the volatility could extend until 21:30, but generally at these (somewhat) subdued levels.
This screenshot was taken at 18:20.
The current outlook for the SA cumulative price to exceed the cumulative price threshold (CPT) is now less likely.
Source: AEMO Data Dashboard
Coincidentally, a new guide to Administered Pricing was released by AEMO recently (effective1 July 2025): 
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