Afternoon volatility in NSW, on Wednesday 22nd January 2025
Worth recording a snapshot from NEMwatch at 13:35 (NEM time) on Wednesday 22nd January 2025 with the NSW price up at $14,028.17/MWh.
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AEMO notes ‘Pre dispatch demand forecast error’ on Wed 22nd Jan 2025 … second day in a row
For the second day in a row, on Wed 22nd Jan 2025 AEMO has notified about an error in the predispatch demand forecast process.
Ramping constraints in South Australia, with outage on Robertstown – Tungkillo 275 kV line 1 or 2
A short article as a record of ramping constraints bound with reference to network outages in South Australia (and Queensland) on Wednesday morning 22nd January 2025.
NEM batteries transitioned to bidirectional units in 2024
Units typically cut over to their BDU counterpart in 2 weeks once the BDU was registered.
Operational snags at Bayswater unit 2
We’d seen Bayswater unit 2 come offline this morning, and wondered if we'd not seen the unit bouncing ON-OFF a few times recently.
Bundey to Buronga (6F) line to be energised 0700 21st January 2025
AEMO noted (in MN123507) that 'The Bundey to Buronga 330kV (6F) line will be energised at 0700 hrs 21st January 2025.'
Forecast ‘Market Demand’ for QLD on Friday 24th Jan 2025 approaching all-time maximum
AEMO STPASA forecasts for QLD 'Market Demand' on Thursday 24th January 2025 is that it might be a new all-time record. Earlier STPASA forecasts suggested it would be above the (prior) all-time record from...
AEMC grants ‘urgent’ Rule Change Request for Port Lincoln and Snuggery as out-of-market reserve
On Wednesday 15th January 2025 the AEMC decided to make a temporary rule change (which will come into effect from 23 January 2025) relating to mothballed Snuggery and Port Lincoln power stations in South...
Further on the N_NEWENSF1+2_100-INV constraint around the 14:00 dispatch interval on Wednesday 15th January 2025 … Part 8
We understand how the solar farm units received targets of 0 MW, when the constraint appears to simply limit the inverter count to 100.
Ausgrid report that 140,000 customers in NSW were impacted or lost power last night Jan 15th 2025 .. Part 7
Ausgrid have published a statement this morning that 140,000 customers and 50,000 homes and business either lost power or had their electricity impacted during yesterday's thunderstorms in NSW.
Guest Authored Posts
Triple C conditions (cold, calm and cloudy) across the NEM last Thursday evening 26th June 2025
Carl Daley examines the underlying conditions and outcomes that occurred last Thursday evening, the 26th of June.
We need more research on storage trading
In this guest post, Greg Williams calls for more research into how storage bidding—particularly auto-rebidding—is reshaping price formation and competition as flexible assets take centre stage in the NEM.
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