AEMO is re-enabling the ‘MaxAvail’ figure in bids for Semi-Scheduled units. It will act as a limit on capacity available, feeding into the NEMDE dispatch process for the unit. We look at how Semi-Scheduled...
A quick note to show the last dispatch interval of output from Lidell Unit 4, with the two remaining units slated to follow suit in the coming days.
We delve deeper into dispatch availability self-forecasts and the assessment process to further enhance our understanding of this important aspect, testing sensitivity to gate closure times and requirements on minimum intervals.
Estimated RERT costs published, pushing past the market price cap for dispatched volumes.
The forecast for Friday (3 February 2023) evening’s demand was that a new all-time maximum would occur and a lack of reserve was expected. To maintain the grid in a reliable operating state AEMO...
A successful return to service for the Waddamana to Palmerston 220 kV lines following damage sustained during landslides on 14 October 2022.
In this article we explore the impacts on wind power generation as the storms passed through, in the leadup to the transmission line trip at 16:39 (NEM time, reflected in the market by the...
Casting a look over wholesale demand response in the NEM, one year on, how has participation grown and the capability been used?
The market volatility on Wednesday 10th August 2022 turned out to be illusive. We review unit output by fuel type to study how different generator groups responded on the day (in aggregate) finding increases,...
In this article we look more closely at 1st and 2nd February 2022 - and particularly at where and when the changes in rooftop PV occurred, narrowing our assessment to south-east Queensland regions. It...
Widespread and heavy rainfall occurred across southeast Queensland during the week ending Sunday 27th February, 2022. The deluge produced some of the highest rainfall totals on record and extensive flooding. Did electricity demand drop...
This article - Part A of a 2 part series - reviews how rooftop PV output varied and considers its influence on Queensland demand on the 1st and 2nd of February, 2022.
Recent WDR activity on January 31 took advantage of the spicy Victorian wholesale energy prices that eventuated in the late afternoon and early evening under unusual circumstances.
Day-ahead demand forecasts will be integral to any future 'Ahead Market'. We take a look at the current state and accuracy trend of demand forecasts made 24 hours ahead as part of the broader...
A feature of the upcoming EMMS technical specification that distinguishes demand response units from scheduled loads could impact some users of NEM data, if left unmanaged.
A threshold for accuracy and threshold for bias has been set to evaluate whether a load’s baseline methodology is acceptable for the Wholesale Demand Response mechanism. Just prior to the publication of the Wholesale...
A week ago (Thursday 21st Jan 2021) we received an email from AEMO following the publication of Draft Guidelines for the Wholesale Demand Response Mechanism. We share some thoughts here today.
Considerations on how key aspects of the upcoming wholesale mechanism might dictate how much response capability will be realised once the mechanism goes live before Summer 2021-22