A brief note to inform readers that the AEMC is fast-tracking consideration of the AER’s Proposed Rule Change on Semi-Scheduled assets … but also to reinforce our view that the challenge is MUCH broader than is being addressed here.
UQ’s Andrew Wilson pens a case study on the market events that occured on Tuesday the 13th of October in the QLD region, in which he examines the relative performance of UQ’s 1.1MW behind-the-meter battery during this period of market volatility.
Winding down through Beer O’clock at the end of a long week with the team and the buzzing of my phone distracts to a few successive price spikes this afternoon…
On Thursday 22nd October, the AEMO also released a short document titled ‘Operational management of low demand in South Australia’.
In part 4 of this expanding Case Study of the unexpected price spike on Tuesday 13th Oct, linked to a large & sudden drop in output across 10 solar farms, we take a quick look at what happened at most of the QLD generators through this 10:00 trading period.
Patricia Boyce’ challenging question coincided with the low point of cyclic wind output across the NEM this afternoon, and prompted some thinking…
Patricia Boyce examines a chart that was included in the AEMO’s Renewable Integration Study, which depicted actual and modelled solar and wind generation output against underlying demand. She then looks at whether intermittent generators can achieve sufficient return and discusses the problems that still need to be solved.
In part 3 of this expanding Case Study of the unexpected price spike on Tuesday 13th Oct, linked to a large & sudden drop in output across 10 solar farms, we dig deeper to explore… including wondering whether it would have been expected in advance.
Guest author Stephen Wilson chaired an ‘ESIG Down Under’ conference webinar on ‘Designing the Energy Markets of the Future’. Whilst introducing the session, Stephen presented a diagram that helped to clarify the combination of different time horizons that need to be considered in holistically describing ‘the Market’. It will be of interest to WattClarity readers.
Based on some preliminary analysis of the Powerlink’s ‘Qdata’ set (available in ez2view) we present our current hypothesis as to the sequence of the events yesterday in the QLD region, where 600MW of solar generation was lost, causing the price to spike to MPC.
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
Alerted to a price spike at 09:45 this morning in the QLD region, we discovered some reduction in load (spot-exposed Demand Response probably) and also a large collective trip in Solar Farm output (reasons unclear).
A couple glimmers of hope spotted recently, that there might be some (belated) awareness that the current methods of support for ‘anytime/anywhere energy’ are not scalable, or sustainable.
Records continue to tumble in the off-season, with the rise of rooftop PV. Both South Australia and Whole-of-NEM hit new low points Sun 11th October 2020.
Ben Skinner from the Australian Energy Council examines how transmission is currently funded in the NEM.
Only 52 days after I initially envisaged being able to have this article published, a couple things today have prompted me to post this drain-dump of concerns that have been jangling around in my head – related to possible risks that COVID might pose in the NEM.
This 20th Case Study (the other side of the weekend to the 19th Case Study) in the series investigates one dispatch interval showing extreme Aggregate Under-Performance across all Semi-Scheduled units on Monday 8th April 2019.