NEM batteries transitioned to bidirectional units in 2024
Units typically cut over to their BDU counterpart in 2 weeks once the BDU was registered.
All Posts
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...
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...
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.
Further detail for the 14:00 dispatch interval on Wednesday 15th January 2025 … Part 6
Last article for the day is Part 6 exploring the volatility at 14:00 on Wednesday 15th January 2025 ... flagging some other things not noted before.
Drop in NEM Mainland Frequency (around 14:00) on Wednesday 15th January 2025 … Part 5
In Part 5 in this evolving series, we find a significant drop in mainland frequency at ~14:00 on Wednesday 15th January 2025 - coincident with the weather disruption...
About the ‘N_NEWENSF1+2_100-INV’ constraint equation that violates at 14:00 on Wednesday 15th January 2025 – Part 4
Taking a look at the ‘N_NEWENSF1+2_100-INV’ constraint equation, one other factor in the volatility in NSW on Wednesday afternoon 15th January 2025.
Guest Authored Posts
An initial look at Winners and Losers from Frequency Performance Payments (FPP)
In his first guest authored article on WattClarity, Jack Fox reports some initial observations from a review of the Non Financial Obligation (NFO) data that's been published since
Hot chips, algorithms and electricity markets
Declan Kelly thinks through and discusses competition issues that could arise from the increasing proliferation of auto-bidding software by big batteries in the NEM - and suggests some...
Detailed Analysis
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